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The following commit(s) were added to refs/heads/main by this push:
new 6cd336996a Add secure random to LazySingletons (#3544)
6cd336996a is described below
commit 6cd336996a3d4cdff84386378ada955ffcf4a765
Author: Dom G <[email protected]>
AuthorDate: Wed Jun 28 10:26:15 2023 -0400
Add secure random to LazySingletons (#3544)
* Add SecureRandom to LazySingletons and replace creation of new
SecureRandom objects with it
---------
Co-authored-by: Christopher Tubbs <[email protected]>
---
.../core/clientImpl/TableOperationsImpl.java | 6 ++---
.../accumulo/core/clientImpl/ThriftScanner.java | 5 ++--
.../core/clientImpl/ThriftTransportPool.java | 7 +++---
.../org/apache/accumulo/core/fate/ZooStore.java | 5 ++--
.../accumulo/core/fate/zookeeper/ZooCache.java | 5 ++--
.../accumulo/core/fate/zookeeper/ZooSession.java | 6 ++---
.../accumulo/core/file/BloomFilterLayer.java | 7 +++---
.../org/apache/accumulo/core/rpc/ThriftUtil.java | 6 ++---
.../spi/balancer/HostRegexTableLoadBalancer.java | 5 ++--
.../accumulo/core/spi/crypto/AESCryptoService.java | 10 ++++----
.../accumulo/core/spi/fs/RandomVolumeChooser.java | 6 ++---
.../core/spi/fs/SpaceAwareVolumeChooser.java | 6 ++---
.../spi/scan/ConfigurableScanServerSelector.java | 7 +++---
.../apache/accumulo/core/util/LazySingletons.java | 6 +++++
.../java/org/apache/accumulo/core/util/Retry.java | 5 ++--
.../accumulo/core/cli/PasswordConverterTest.java | 6 ++---
.../core/client/rfile/RFileClientTest.java | 6 ++---
.../bulk/ConcurrentKeyExtentCacheTest.java | 12 ++++------
.../apache/accumulo/core/crypto/CryptoTest.java | 14 +++++------
.../core/file/BloomFilterLayerLookupTest.java | 7 +++---
.../file/blockfile/cache/TestLruBlockCache.java | 7 ++----
.../core/file/rfile/MultiLevelIndexTest.java | 5 ++--
.../core/file/rfile/MultiThreadedRFileTest.java | 5 ++--
.../apache/accumulo/core/file/rfile/RFileTest.java | 28 ++++++++++------------
.../accumulo/core/file/rfile/RollingStatsTest.java | 17 +++++++------
.../file/streams/RateLimitedInputStreamTest.java | 8 +++----
.../file/streams/RateLimitedOutputStreamTest.java | 6 ++---
.../iterators/user/IndexedDocIteratorTest.java | 7 +++---
.../iterators/user/IntersectingIteratorTest.java | 7 +++---
.../core/iterators/user/TestCfCqSlice.java | 5 ++--
.../core/security/AuthenticationTokenTest.java | 6 ++---
.../core/spi/balancer/GroupBalancerTest.java | 14 +++++------
.../scan/ConfigurableScanServerSelectorTest.java | 7 +++---
.../hadoopImpl/mapred/AccumuloRecordReader.java | 7 +++---
.../hadoopImpl/mapreduce/AccumuloRecordReader.java | 7 +++---
.../testcases/IsolatedDeepCopiesTestCase.java | 9 ++++---
.../testcases/MultipleHasTopCalls.java | 9 ++++---
.../iteratortest/testcases/ReSeekTestCase.java | 6 ++---
.../server/tablets/UniqueNameAllocator.java | 6 ++---
.../org/apache/accumulo/server/util/FileUtil.java | 7 +++---
.../apache/accumulo/server/util/RandomWriter.java | 8 +++----
.../server/zookeeper/DistributedWorkQueue.java | 7 +++---
.../conf/codec/VersionedPropEncryptCodec.java | 7 +++---
.../org/apache/accumulo/compactor/Compactor.java | 6 ++---
.../org/apache/accumulo/tserver/TabletServer.java | 5 ++--
.../accumulo/tserver/session/SessionManager.java | 8 +++----
.../accumulo/tserver/tablet/MinorCompactor.java | 5 ++--
.../accumulo/shell/commands/HiddenCommand.java | 5 ++--
.../apache/accumulo/harness/AccumuloITBase.java | 4 +---
.../accumulo/harness/SharedMiniClusterBase.java | 3 ++-
.../apache/accumulo/test/ChaoticLoadBalancer.java | 8 +++----
.../apache/accumulo/test/ConditionalWriterIT.java | 15 ++++++------
.../org/apache/accumulo/test/ImportExportIT.java | 5 ++--
.../apache/accumulo/test/MetaGetsReadersIT.java | 3 ++-
.../apache/accumulo/test/MultiTableRecoveryIT.java | 3 ++-
.../accumulo/test/TableConfigurationUpdateIT.java | 3 ++-
.../org/apache/accumulo/test/TestBinaryRows.java | 4 ++--
.../org/apache/accumulo/test/TotalQueuedIT.java | 5 ++--
.../accumulo/test/VerifySerialRecoveryIT.java | 3 ++-
.../test/compaction/CompactionExecutorIT.java | 6 +++--
.../test/compaction/CompactionRateLimitingIT.java | 7 +++---
.../accumulo/test/functional/BatchScanSplitIT.java | 4 +++-
.../test/functional/BatchWriterFlushIT.java | 3 ++-
.../accumulo/test/functional/BloomFilterIT.java | 4 +++-
.../accumulo/test/functional/CacheTestWriter.java | 14 +++++------
.../accumulo/test/functional/CompactionIT.java | 5 ++--
.../test/functional/ConcurrentDeleteTableIT.java | 3 ++-
.../test/functional/CreateInitialSplitsIT.java | 3 ++-
.../accumulo/test/functional/FateStarvationIT.java | 6 +++--
.../test/functional/ManyWriteAheadLogsIT.java | 5 ++--
.../accumulo/test/functional/MonitorSslIT.java | 3 ++-
.../accumulo/test/functional/NativeMapIT.java | 10 ++++----
.../accumulo/test/functional/ReadWriteIT.java | 3 ++-
.../apache/accumulo/test/functional/ScanIdIT.java | 3 ++-
.../apache/accumulo/test/functional/SummaryIT.java | 5 ++--
.../accumulo/test/functional/WALSunnyDayIT.java | 7 +++---
.../accumulo/test/functional/ZombieTServer.java | 4 ++--
.../accumulo/test/manager/SuspendedTabletsIT.java | 5 ++--
.../test/performance/scan/CollectTabletStats.java | 4 ++--
.../accumulo/test/shell/ShellCreateTableIT.java | 3 ++-
.../apache/accumulo/test/shell/ShellServerIT.java | 3 ++-
81 files changed, 253 insertions(+), 274 deletions(-)
diff --git
a/core/src/main/java/org/apache/accumulo/core/clientImpl/TableOperationsImpl.java
b/core/src/main/java/org/apache/accumulo/core/clientImpl/TableOperationsImpl.java
index d7526b4737..9ecc79e0aa 100644
---
a/core/src/main/java/org/apache/accumulo/core/clientImpl/TableOperationsImpl.java
+++
b/core/src/main/java/org/apache/accumulo/core/clientImpl/TableOperationsImpl.java
@@ -28,6 +28,7 @@ import static java.util.concurrent.TimeUnit.SECONDS;
import static java.util.stream.Collectors.toSet;
import static
org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType.LOCATION;
import static
org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType.PREV_ROW;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.apache.accumulo.core.util.Validators.EXISTING_TABLE_NAME;
import static org.apache.accumulo.core.util.Validators.NEW_TABLE_NAME;
@@ -36,7 +37,6 @@ import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.ByteBuffer;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
@@ -159,8 +159,6 @@ import com.google.common.net.HostAndPort;
public class TableOperationsImpl extends TableOperationsHelper {
- private static final SecureRandom random = new SecureRandom();
-
public static final String PROPERTY_EXCLUDE_PREFIX = "!";
public static final String COMPACTION_CANCELED_MSG = "Compaction canceled";
public static final String TABLE_DELETED_MSG = "Table is being deleted";
@@ -1230,7 +1228,7 @@ public class TableOperationsImpl extends
TableOperationsHelper {
log.warn("Unable to locate bins for specified range. Retrying.");
// sleep randomly between 100 and 200ms
- sleepUninterruptibly(100 + random.nextInt(100), MILLISECONDS);
+ sleepUninterruptibly(100 + RANDOM.get().nextInt(100), MILLISECONDS);
binnedRanges.clear();
tl.invalidateCache();
}
diff --git
a/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftScanner.java
b/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftScanner.java
index 2c5e8619a1..87726fd639 100644
--- a/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftScanner.java
+++ b/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftScanner.java
@@ -19,9 +19,9 @@
package org.apache.accumulo.core.clientImpl;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
-import java.security.SecureRandom;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
@@ -101,7 +101,6 @@ public class ThriftScanner {
// metadata
public static final Map<TabletType,Set<String>> serversWaitedForWrites =
new EnumMap<>(TabletType.class);
- private static final SecureRandom random = new SecureRandom();
static {
for (TabletType ttype : TabletType.values()) {
@@ -277,7 +276,7 @@ public class ThriftScanner {
Thread.sleep(millis);
}
// wait 2 * last time, with +-10% random jitter
- return (long) (Math.min(millis * 2, maxSleep) * (.9 + random.nextDouble()
/ 5));
+ return (long) (Math.min(millis * 2, maxSleep) * (.9 +
RANDOM.get().nextDouble() / 5));
}
public static List<KeyValue> scan(ClientContext context, ScanState
scanState, long timeOut)
diff --git
a/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java
b/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java
index df0d91b1eb..d1bc17e945 100644
---
a/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java
+++
b/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java
@@ -20,8 +20,8 @@ package org.apache.accumulo.core.clientImpl;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.MINUTES;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
-import java.security.SecureRandom;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collections;
@@ -58,7 +58,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
public class ThriftTransportPool {
private static final Logger log =
LoggerFactory.getLogger(ThriftTransportPool.class);
- private static final SecureRandom random = new SecureRandom();
private static final long ERROR_THRESHOLD = 20L;
private static final long STUCK_THRESHOLD = MINUTES.toMillis(2);
@@ -138,7 +137,7 @@ public class ThriftTransportPool {
if (!serversSet.isEmpty()) {
ArrayList<ThriftTransportKey> cachedServers = new
ArrayList<>(serversSet);
- Collections.shuffle(cachedServers, random);
+ Collections.shuffle(cachedServers, RANDOM.get());
for (ThriftTransportKey ttk : cachedServers) {
CachedConnection connection = connectionPool.reserveAny(ttk);
@@ -155,7 +154,7 @@ public class ThriftTransportPool {
int retryCount = 0;
while (!servers.isEmpty() && retryCount < 10) {
- int index = random.nextInt(servers.size());
+ int index = RANDOM.get().nextInt(servers.size());
ThriftTransportKey ttk = servers.get(index);
if (preferCachedConnection) {
diff --git a/core/src/main/java/org/apache/accumulo/core/fate/ZooStore.java
b/core/src/main/java/org/apache/accumulo/core/fate/ZooStore.java
index 6c8bb5dca7..728cabcf7e 100644
--- a/core/src/main/java/org/apache/accumulo/core/fate/ZooStore.java
+++ b/core/src/main/java/org/apache/accumulo/core/fate/ZooStore.java
@@ -21,6 +21,7 @@ package org.apache.accumulo.core.fate;
import static
com.google.common.util.concurrent.Uninterruptibles.sleepUninterruptibly;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@@ -29,7 +30,6 @@ import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.io.UncheckedIOException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumSet;
@@ -63,7 +63,6 @@ public class ZooStore<T> implements TStore<T> {
private String lastReserved = "";
private Set<Long> reserved;
private Map<Long,Long> defered;
- private static final SecureRandom random = new SecureRandom();
private long statusChangeEvents = 0;
private int reservationsWaiting = 0;
@@ -124,7 +123,7 @@ public class ZooStore<T> implements TStore<T> {
while (true) {
try {
// looking at the code for SecureRandom, it appears to be thread safe
- long tid = random.nextLong() & 0x7fffffffffffffffL;
+ long tid = RANDOM.get().nextLong() & 0x7fffffffffffffffL;
zk.putPersistentData(getTXPath(tid),
TStatus.NEW.name().getBytes(UTF_8),
NodeExistsPolicy.FAIL);
return tid;
diff --git
a/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooCache.java
b/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooCache.java
index 280d56ac67..fc2b6f1c41 100644
--- a/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooCache.java
+++ b/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooCache.java
@@ -19,8 +19,8 @@
package org.apache.accumulo.core.fate.zookeeper;
import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
-import java.security.SecureRandom;
import java.util.Collections;
import java.util.ConcurrentModificationException;
import java.util.HashMap;
@@ -65,7 +65,6 @@ public class ZooCache {
private final HashMap<String,List<String>> childrenCache;
private final ZooReader zReader;
- private static final SecureRandom random = new SecureRandom();
private volatile boolean closed = false;
@@ -273,7 +272,7 @@ public class ZooCache {
}
LockSupport.parkNanos(sleepTime);
if (sleepTime < 10_000) {
- sleepTime = (int) (sleepTime + sleepTime * random.nextDouble());
+ sleepTime = (int) (sleepTime + sleepTime *
RANDOM.get().nextDouble());
}
}
}
diff --git
a/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooSession.java
b/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooSession.java
index 9c36fea001..91085f27cc 100644
--- a/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooSession.java
+++ b/core/src/main/java/org/apache/accumulo/core/fate/zookeeper/ZooSession.java
@@ -20,10 +20,10 @@ package org.apache.accumulo.core.fate.zookeeper;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
import java.net.UnknownHostException;
-import java.security.SecureRandom;
import java.util.HashMap;
import java.util.Map;
@@ -63,8 +63,6 @@ public class ZooSession {
private static Map<String,ZooSessionInfo> sessions = new HashMap<>();
- private static final SecureRandom random = new SecureRandom();
-
static {
SingletonManager.register(new SingletonService() {
@@ -171,7 +169,7 @@ public class ZooSession {
}
UtilWaitThread.sleep(sleepTime);
if (sleepTime < 10000) {
- sleepTime = sleepTime + (long) (sleepTime * random.nextDouble());
+ sleepTime = sleepTime + (long) (sleepTime *
RANDOM.get().nextDouble());
}
}
}
diff --git
a/core/src/main/java/org/apache/accumulo/core/file/BloomFilterLayer.java
b/core/src/main/java/org/apache/accumulo/core/file/BloomFilterLayer.java
index fa06bf18b8..92939b5c21 100644
--- a/core/src/main/java/org/apache/accumulo/core/file/BloomFilterLayer.java
+++ b/core/src/main/java/org/apache/accumulo/core/file/BloomFilterLayer.java
@@ -19,12 +19,12 @@
package org.apache.accumulo.core.file;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.PrintStream;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@@ -68,7 +68,6 @@ import org.slf4j.LoggerFactory;
*/
public class BloomFilterLayer {
- private static final SecureRandom random = new SecureRandom();
private static final Logger LOG =
LoggerFactory.getLogger(BloomFilterLayer.class);
public static final String BLOOM_FILE_NAME = "acu_bloom";
public static final int HASH_COUNT = 5;
@@ -457,7 +456,7 @@ public class BloomFilterLayer {
HashSet<Integer> valsSet = new HashSet<>();
for (int i = 0; i < 100000; i++) {
- valsSet.add(random.nextInt(Integer.MAX_VALUE));
+ valsSet.add(RANDOM.get().nextInt(Integer.MAX_VALUE));
}
ArrayList<Integer> vals = new ArrayList<>(valsSet);
@@ -509,7 +508,7 @@ public class BloomFilterLayer {
int hits = 0;
for (int i = 0; i < 5000; i++) {
- int row = random.nextInt(Integer.MAX_VALUE);
+ int row = RANDOM.get().nextInt(Integer.MAX_VALUE);
String fi = String.format("%010d", row);
// bmfr.seek(new Range(new Text("r"+fi)));
org.apache.accumulo.core.data.Key k1 =
diff --git a/core/src/main/java/org/apache/accumulo/core/rpc/ThriftUtil.java
b/core/src/main/java/org/apache/accumulo/core/rpc/ThriftUtil.java
index e96d2e8b87..6d43edea38 100644
--- a/core/src/main/java/org/apache/accumulo/core/rpc/ThriftUtil.java
+++ b/core/src/main/java/org/apache/accumulo/core/rpc/ThriftUtil.java
@@ -18,13 +18,14 @@
*/
package org.apache.accumulo.core.rpc;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.io.FileInputStream;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.InetAddress;
import java.nio.channels.ClosedByInterruptException;
import java.security.KeyStore;
-import java.security.SecureRandom;
import java.util.HashMap;
import java.util.Map;
@@ -70,7 +71,6 @@ public class ThriftUtil {
public static final String GSSAPI = "GSSAPI", DIGEST_MD5 = "DIGEST-MD5";
- private static final SecureRandom random = new SecureRandom();
private static final int RELOGIN_MAX_BACKOFF = 5000;
/**
@@ -385,7 +385,7 @@ public class ThriftUtil {
// Avoid the replay attack protection, sleep 1 to 5000ms
try {
- Thread.sleep(random.nextInt(RELOGIN_MAX_BACKOFF) + 1);
+ Thread.sleep(RANDOM.get().nextInt(RELOGIN_MAX_BACKOFF) + 1);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
return;
diff --git
a/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java
b/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java
index 08fcc9f1a9..f7dd384791 100644
---
a/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java
+++
b/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java
@@ -19,10 +19,10 @@
package org.apache.accumulo.core.spi.balancer;
import static java.util.concurrent.TimeUnit.HOURS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.net.InetAddress;
import java.net.UnknownHostException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@@ -92,7 +92,6 @@ import com.google.common.collect.Multimap;
*/
public class HostRegexTableLoadBalancer extends TableLoadBalancer {
- private static final SecureRandom random = new SecureRandom();
private static final String PROP_PREFIX =
Property.TABLE_ARBITRARY_PROP_PREFIX.getKey();
private static final Logger LOG =
LoggerFactory.getLogger(HostRegexTableLoadBalancer.class);
@@ -416,7 +415,7 @@ public class HostRegexTableLoadBalancer extends
TableLoadBalancer {
String poolName = getPoolNameForTable(table);
SortedMap<TabletServerId,TServerStatus> currentView =
currentGrouped.get(poolName);
if (currentView != null) {
- int skip = random.nextInt(currentView.size());
+ int skip = RANDOM.get().nextInt(currentView.size());
Iterator<TabletServerId> iter =
currentView.keySet().iterator();
for (int i = 0; i < skip; i++) {
iter.next();
diff --git
a/core/src/main/java/org/apache/accumulo/core/spi/crypto/AESCryptoService.java
b/core/src/main/java/org/apache/accumulo/core/spi/crypto/AESCryptoService.java
index 15e5f45ca6..4ed55ac3d5 100644
---
a/core/src/main/java/org/apache/accumulo/core/spi/crypto/AESCryptoService.java
+++
b/core/src/main/java/org/apache/accumulo/core/spi/crypto/AESCryptoService.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.core.spi.crypto;
import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@@ -78,7 +79,6 @@ public class AESCryptoService implements CryptoService {
private static final String NO_CRYPTO_VERSION = "U+1F47B";
private static final String URI = "uri";
private static final String KEY_WRAP_TRANSFORM = "AESWrap";
- private static final SecureRandom random = new SecureRandom();
private Key encryptingKek = null;
private String keyLocation = null;
@@ -358,8 +358,8 @@ public class AESCryptoService implements CryptoService {
} catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
throw new CryptoException("Error obtaining cipher for transform " +
transformation, e);
}
- this.fek = generateKey(random, KEY_LENGTH_IN_BYTES);
- random.nextBytes(this.initVector);
+ this.fek = generateKey(RANDOM.get(), KEY_LENGTH_IN_BYTES);
+ RANDOM.get().nextBytes(this.initVector);
this.firstInitVector = Arrays.copyOf(this.initVector,
this.initVector.length);
this.decryptionParameters =
createCryptoParameters(VERSION, encryptingKek, keyLocation,
keyManager, fek);
@@ -499,14 +499,14 @@ public class AESCryptoService implements CryptoService {
} catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
throw new CryptoException("Error obtaining cipher for transform " +
transformation, e);
}
- this.fek = generateKey(random, KEY_LENGTH_IN_BYTES);
+ this.fek = generateKey(RANDOM.get(), KEY_LENGTH_IN_BYTES);
this.decryptionParameters =
createCryptoParameters(VERSION, encryptingKek, keyLocation,
keyManager, fek);
}
@Override
public OutputStream encryptStream(OutputStream outputStream) throws
CryptoException {
- random.nextBytes(initVector);
+ RANDOM.get().nextBytes(initVector);
try {
outputStream.write(initVector);
} catch (IOException e) {
diff --git
a/core/src/main/java/org/apache/accumulo/core/spi/fs/RandomVolumeChooser.java
b/core/src/main/java/org/apache/accumulo/core/spi/fs/RandomVolumeChooser.java
index 77549914bb..55f17816e3 100644
---
a/core/src/main/java/org/apache/accumulo/core/spi/fs/RandomVolumeChooser.java
+++
b/core/src/main/java/org/apache/accumulo/core/spi/fs/RandomVolumeChooser.java
@@ -18,7 +18,8 @@
*/
package org.apache.accumulo.core.spi.fs;
-import java.security.SecureRandom;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.util.Set;
/**
@@ -27,7 +28,6 @@ import java.util.Set;
* @since 2.1.0
*/
public class RandomVolumeChooser implements VolumeChooser {
- private static final SecureRandom random = new SecureRandom();
/**
* Selects a volume at random from the provided set of volumes. The
environment scope is not
@@ -36,7 +36,7 @@ public class RandomVolumeChooser implements VolumeChooser {
@Override
public String choose(VolumeChooserEnvironment env, Set<String> options) {
String[] optionsArray = options.toArray(new String[0]);
- return optionsArray[random.nextInt(optionsArray.length)];
+ return optionsArray[RANDOM.get().nextInt(optionsArray.length)];
}
/**
diff --git
a/core/src/main/java/org/apache/accumulo/core/spi/fs/SpaceAwareVolumeChooser.java
b/core/src/main/java/org/apache/accumulo/core/spi/fs/SpaceAwareVolumeChooser.java
index efea66dc7a..99a29dbdac 100644
---
a/core/src/main/java/org/apache/accumulo/core/spi/fs/SpaceAwareVolumeChooser.java
+++
b/core/src/main/java/org/apache/accumulo/core/spi/fs/SpaceAwareVolumeChooser.java
@@ -19,9 +19,9 @@
package org.apache.accumulo.core.spi.fs;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.NavigableMap;
import java.util.Set;
import java.util.TreeMap;
@@ -46,8 +46,6 @@ import com.github.benmanes.caffeine.cache.LoadingCache;
*/
public class SpaceAwareVolumeChooser extends PreferredVolumeChooser {
- private static final SecureRandom random = new SecureRandom();
-
public static final String RECOMPUTE_INTERVAL =
"spaceaware.volume.chooser.recompute.interval";
// Default time to wait in ms. Defaults to 5 min
@@ -123,7 +121,7 @@ public class SpaceAwareVolumeChooser extends
PreferredVolumeChooser {
}
public String next() {
- double value = random.nextDouble() * total;
+ double value = RANDOM.get().nextDouble() * total;
return map.higherEntry(value).getValue();
}
}
diff --git
a/core/src/main/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelector.java
b/core/src/main/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelector.java
index a90936832c..cf3c5308a0 100644
---
a/core/src/main/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelector.java
+++
b/core/src/main/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelector.java
@@ -20,9 +20,9 @@ package org.apache.accumulo.core.spi.scan;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.apache.accumulo.core.util.LazySingletons.GSON;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.lang.reflect.Type;
-import java.security.SecureRandom;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
@@ -149,7 +149,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
*/
public class ConfigurableScanServerSelector implements ScanServerSelector {
- private static final SecureRandom RANDOM = new SecureRandom();
public static final String PROFILES_DEFAULT =
"[{'isDefault':true,'maxBusyTimeout':'5m',"
+ "'busyTimeoutMultiplier':8, 'scanTypeActivations':[], "
+ "'attemptPlans':[{'servers':'3', 'busyTimeout':'33ms', 'salt':'one'},"
@@ -364,8 +363,8 @@ public class ConfigurableScanServerSelector implements
ScanServerSelector {
var hashCode = hashTablet(tablet, profile.getSalt(attempts));
- int serverIndex =
- (Math.abs(hashCode.asInt()) + RANDOM.nextInt(numServers)) %
orderedScanServers.size();
+ int serverIndex = (Math.abs(hashCode.asInt()) +
RANDOM.get().nextInt(numServers))
+ % orderedScanServers.size();
serverToUse = orderedScanServers.get(serverIndex);
diff --git
a/core/src/main/java/org/apache/accumulo/core/util/LazySingletons.java
b/core/src/main/java/org/apache/accumulo/core/util/LazySingletons.java
index ac476cc687..aa57737779 100644
--- a/core/src/main/java/org/apache/accumulo/core/util/LazySingletons.java
+++ b/core/src/main/java/org/apache/accumulo/core/util/LazySingletons.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.core.util;
+import java.security.SecureRandom;
import java.util.function.Supplier;
import com.google.common.base.Suppliers;
@@ -37,4 +38,9 @@ public class LazySingletons {
*/
public static final Supplier<Gson> GSON = Suppliers.memoize(Gson::new);
+ /**
+ * A SecureRandom instance created with the default constructor.
+ */
+ public static final Supplier<SecureRandom> RANDOM =
Suppliers.memoize(SecureRandom::new);
+
}
diff --git a/core/src/main/java/org/apache/accumulo/core/util/Retry.java
b/core/src/main/java/org/apache/accumulo/core/util/Retry.java
index 952d9803cd..4704ddfa92 100644
--- a/core/src/main/java/org/apache/accumulo/core/util/Retry.java
+++ b/core/src/main/java/org/apache/accumulo/core/util/Retry.java
@@ -20,8 +20,8 @@ package org.apache.accumulo.core.util;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
-import java.security.SecureRandom;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
@@ -46,7 +46,6 @@ public class Retry {
private boolean hasNeverLogged;
private boolean hasLoggedWarn = false;
private long lastRetryLog;
- private static final SecureRandom random = new SecureRandom();
private double currentBackOffFactor;
private boolean doTimeJitter = true;
@@ -171,7 +170,7 @@ public class Retry {
public void waitForNextAttempt(Logger log, String operationDescription)
throws InterruptedException {
- double waitFactor = (1 + (random.nextDouble() - 0.5) / 10.0) *
currentBackOffFactor;
+ double waitFactor = (1 + (RANDOM.get().nextDouble() - 0.5) / 10.0) *
currentBackOffFactor;
if (!doTimeJitter) {
waitFactor = currentBackOffFactor;
}
diff --git
a/core/src/test/java/org/apache/accumulo/core/cli/PasswordConverterTest.java
b/core/src/test/java/org/apache/accumulo/core/cli/PasswordConverterTest.java
index 6470626fa3..0763973ecd 100644
--- a/core/src/test/java/org/apache/accumulo/core/cli/PasswordConverterTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/cli/PasswordConverterTest.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.core.cli;
import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -28,7 +29,6 @@ import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
-import java.security.SecureRandom;
import java.util.Scanner;
import org.junit.jupiter.api.AfterEach;
@@ -42,8 +42,6 @@ import com.beust.jcommander.ParameterException;
public class PasswordConverterTest {
- private static final SecureRandom random = new SecureRandom();
-
private class Password {
@Parameter(names = "--password", converter =
ClientOpts.PasswordConverter.class)
String password;
@@ -79,7 +77,7 @@ public class PasswordConverterTest {
@Test
public void testPass() {
- String expected = String.valueOf(random.nextDouble());
+ String expected = String.valueOf(RANDOM.get().nextDouble());
argv[1] = "pass:" + expected;
new JCommander(password).parse(argv);
assertEquals(expected, password.password);
diff --git
a/core/src/test/java/org/apache/accumulo/core/client/rfile/RFileClientTest.java
b/core/src/test/java/org/apache/accumulo/core/client/rfile/RFileClientTest.java
index 378e036b51..041020d7bd 100644
---
a/core/src/test/java/org/apache/accumulo/core/client/rfile/RFileClientTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/client/rfile/RFileClientTest.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.core.client.rfile;
import static com.google.common.collect.MoreCollectors.onlyElement;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -27,7 +28,6 @@ import static org.junit.jupiter.api.Assertions.fail;
import java.io.File;
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
@@ -75,8 +75,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
public class RFileClientTest {
- private static final SecureRandom random = new SecureRandom();
-
@SuppressFBWarnings(value = "PATH_TRAVERSAL_IN", justification = "path is
set by test, not user")
private String createTmpTestFile() throws IOException {
File dir = new File(System.getProperty("user.dir") + "/target/rfile-test");
@@ -521,7 +519,7 @@ public class RFileClientTest {
Scanner scanner = RFile.newScanner().from(testFile).withFileSystem(localFs)
.withIndexCache(1000000).withDataCache(10000000).build();
- random.ints(100, 0, 10_000).forEach(r -> {
+ RANDOM.get().ints(100, 0, 10_000).forEach(r -> {
scanner.setRange(new Range(rowStr(r)));
String actual =
scanner.stream().collect(onlyElement()).getKey().getRow().toString();
assertEquals(rowStr(r), actual);
diff --git
a/core/src/test/java/org/apache/accumulo/core/clientImpl/bulk/ConcurrentKeyExtentCacheTest.java
b/core/src/test/java/org/apache/accumulo/core/clientImpl/bulk/ConcurrentKeyExtentCacheTest.java
index ca26c37416..5a1ac90c69 100644
---
a/core/src/test/java/org/apache/accumulo/core/clientImpl/bulk/ConcurrentKeyExtentCacheTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/clientImpl/bulk/ConcurrentKeyExtentCacheTest.java
@@ -18,10 +18,10 @@
*/
package org.apache.accumulo.core.clientImpl.bulk;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
@@ -37,8 +37,6 @@ import org.junit.jupiter.api.Test;
public class ConcurrentKeyExtentCacheTest {
- private static final SecureRandom random = new SecureRandom();
-
private static List<KeyExtent> extents = new ArrayList<>();
private static Set<KeyExtent> extentsSet = new HashSet<>();
@@ -100,13 +98,13 @@ public class ConcurrentKeyExtentCacheTest {
TestCache tc = new TestCache();
- random.ints(20000, 0, 256).mapToObj(i -> new Text(String.format("%02x",
i))).sequential()
+ RANDOM.get().ints(20000, 0, 256).mapToObj(i -> new
Text(String.format("%02x", i))).sequential()
.forEach(lookupRow -> testLookup(tc, lookupRow));
assertEquals(extentsSet, tc.seen);
// try parallel
TestCache tc2 = new TestCache();
- random.ints(20000, 0, 256).mapToObj(i -> new Text(String.format("%02x",
i))).parallel()
+ RANDOM.get().ints(20000, 0, 256).mapToObj(i -> new
Text(String.format("%02x", i))).parallel()
.forEach(lookupRow -> testLookup(tc2, lookupRow));
assertEquals(extentsSet, tc.seen);
}
@@ -115,13 +113,13 @@ public class ConcurrentKeyExtentCacheTest {
public void testRandom() {
TestCache tc = new TestCache();
- random.ints(20000).mapToObj(i -> new Text(String.format("%08x",
i))).sequential()
+ RANDOM.get().ints(20000).mapToObj(i -> new Text(String.format("%08x",
i))).sequential()
.forEach(lookupRow -> testLookup(tc, lookupRow));
assertEquals(extentsSet, tc.seen);
// try parallel
TestCache tc2 = new TestCache();
- random.ints(20000).mapToObj(i -> new Text(String.format("%08x",
i))).parallel()
+ RANDOM.get().ints(20000).mapToObj(i -> new Text(String.format("%08x",
i))).parallel()
.forEach(lookupRow -> testLookup(tc2, lookupRow));
assertEquals(extentsSet, tc2.seen);
}
diff --git a/core/src/test/java/org/apache/accumulo/core/crypto/CryptoTest.java
b/core/src/test/java/org/apache/accumulo/core/crypto/CryptoTest.java
index 4f919aae16..e9f5c035b0 100644
--- a/core/src/test/java/org/apache/accumulo/core/crypto/CryptoTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/crypto/CryptoTest.java
@@ -23,6 +23,7 @@ import static
org.apache.accumulo.core.conf.Property.INSTANCE_CRYPTO_FACTORY;
import static org.apache.accumulo.core.crypto.CryptoUtils.getFileDecrypter;
import static
org.apache.accumulo.core.spi.crypto.CryptoEnvironment.Scope.TABLE;
import static org.apache.accumulo.core.spi.crypto.CryptoEnvironment.Scope.WAL;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
@@ -87,7 +88,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
public class CryptoTest {
- private static final SecureRandom random = new SecureRandom();
private static final int MARKER_INT = 0xCADEFEDD;
private static final String MARKER_STRING = "1 2 3 4 5 6 7 8 a b c d e f g h
";
private static final Configuration hadoopConf = new Configuration();
@@ -409,11 +409,11 @@ public class CryptoTest {
NoSuchProviderException, NoSuchPaddingException, InvalidKeyException {
// verify valid key sizes (corresponds to 128, 192, and 256 bits)
for (int i : new int[] {16, 24, 32}) {
- verifyKeySizeForCBC(random, i);
+ verifyKeySizeForCBC(RANDOM.get(), i);
}
// verify invalid key sizes
for (int i : new int[] {1, 2, 8, 11, 15, 64, 128}) {
- assertThrows(InvalidKeyException.class, () ->
verifyKeySizeForCBC(random, i));
+ assertThrows(InvalidKeyException.class, () ->
verifyKeySizeForCBC(RANDOM.get(), i));
}
}
@@ -429,8 +429,8 @@ public class CryptoTest {
@Test
public void testAESKeyUtilsWrapAndUnwrap()
throws NoSuchAlgorithmException, NoSuchProviderException {
- java.security.Key kek = AESCryptoService.generateKey(random, 16);
- java.security.Key fek = AESCryptoService.generateKey(random, 16);
+ java.security.Key kek = AESCryptoService.generateKey(RANDOM.get(), 16);
+ java.security.Key fek = AESCryptoService.generateKey(RANDOM.get(), 16);
byte[] wrapped = AESCryptoService.wrapKey(fek, kek);
assertFalse(Arrays.equals(fek.getEncoded(), wrapped));
java.security.Key unwrapped = AESCryptoService.unwrapKey(wrapped, kek);
@@ -440,8 +440,8 @@ public class CryptoTest {
@Test
public void testAESKeyUtilsFailUnwrapWithWrongKEK()
throws NoSuchAlgorithmException, NoSuchProviderException {
- java.security.Key kek = AESCryptoService.generateKey(random, 16);
- java.security.Key fek = AESCryptoService.generateKey(random, 16);
+ java.security.Key kek = AESCryptoService.generateKey(RANDOM.get(), 16);
+ java.security.Key fek = AESCryptoService.generateKey(RANDOM.get(), 16);
byte[] wrongBytes = kek.getEncoded();
wrongBytes[0]++;
java.security.Key wrongKek = new SecretKeySpec(wrongBytes, "AES");
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/BloomFilterLayerLookupTest.java
b/core/src/test/java/org/apache/accumulo/core/file/BloomFilterLayerLookupTest.java
index 89384ec21e..3857731c70 100644
---
a/core/src/test/java/org/apache/accumulo/core/file/BloomFilterLayerLookupTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/file/BloomFilterLayerLookupTest.java
@@ -18,11 +18,11 @@
*/
package org.apache.accumulo.core.file;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.File;
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
@@ -54,7 +54,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
public class BloomFilterLayerLookupTest extends WithTestNames {
private static final Logger log =
LoggerFactory.getLogger(BloomFilterLayerLookupTest.class);
- private static final SecureRandom random = new SecureRandom();
@TempDir
private static File tempDir;
@@ -63,7 +62,7 @@ public class BloomFilterLayerLookupTest extends WithTestNames
{
public void test() throws IOException {
HashSet<Integer> valsSet = new HashSet<>();
for (int i = 0; i < 100000; i++) {
- valsSet.add(random.nextInt(Integer.MAX_VALUE));
+ valsSet.add(RANDOM.get().nextInt(Integer.MAX_VALUE));
}
ArrayList<Integer> vals = new ArrayList<>(valsSet);
@@ -111,7 +110,7 @@ public class BloomFilterLayerLookupTest extends
WithTestNames {
int hits = 0;
t1 = System.currentTimeMillis();
for (int i = 0; i < 5000; i++) {
- int row = random.nextInt(Integer.MAX_VALUE);
+ int row = RANDOM.get().nextInt(Integer.MAX_VALUE);
seek(bmfr, row);
if (valsSet.contains(row)) {
hits++;
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/blockfile/cache/TestLruBlockCache.java
b/core/src/test/java/org/apache/accumulo/core/file/blockfile/cache/TestLruBlockCache.java
index b6b0ea3962..bf814e0e4d 100644
---
a/core/src/test/java/org/apache/accumulo/core/file/blockfile/cache/TestLruBlockCache.java
+++
b/core/src/test/java/org/apache/accumulo/core/file/blockfile/cache/TestLruBlockCache.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.core.file.blockfile.cache;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
@@ -25,8 +26,6 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
-import java.security.SecureRandom;
-
import org.apache.accumulo.core.conf.ConfigurationCopy;
import org.apache.accumulo.core.conf.DefaultConfiguration;
import org.apache.accumulo.core.conf.Property;
@@ -52,8 +51,6 @@ import org.junit.jupiter.api.Test;
*/
public class TestLruBlockCache {
- private static final SecureRandom random = new SecureRandom();
-
@Test
public void testConfiguration() {
ConfigurationCopy cc = new ConfigurationCopy();
@@ -506,7 +503,7 @@ public class TestLruBlockCache {
private Block[] generateRandomBlocks(int numBlocks, long maxSize) {
Block[] blocks = new Block[numBlocks];
for (int i = 0; i < numBlocks; i++) {
- blocks[i] = new Block("block" + i, random.nextInt((int) maxSize) + 1);
+ blocks[i] = new Block("block" + i, RANDOM.get().nextInt((int) maxSize) +
1);
}
return blocks;
}
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiLevelIndexTest.java
b/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiLevelIndexTest.java
index 183db71073..2065f8b676 100644
---
a/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiLevelIndexTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiLevelIndexTest.java
@@ -18,13 +18,13 @@
*/
package org.apache.accumulo.core.file.rfile;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UncheckedIOException;
-import java.security.SecureRandom;
import org.apache.accumulo.core.conf.AccumuloConfiguration;
import org.apache.accumulo.core.conf.DefaultConfiguration;
@@ -47,7 +47,6 @@ import org.apache.hadoop.fs.FileSystem;
import org.junit.jupiter.api.Test;
public class MultiLevelIndexTest {
- private static final SecureRandom random = new SecureRandom();
private Configuration hadoopConf = new Configuration();
@Test
@@ -120,7 +119,7 @@ public class MultiLevelIndexTest {
liter = reader.lookup(new Key(String.format("%05d000", num + 1)));
assertFalse(liter.hasNext());
- random.ints(100, 0, num * 1_000).forEach(k -> {
+ RANDOM.get().ints(100, 0, num * 1_000).forEach(k -> {
int expected;
if (k % 1000 == 0) {
expected = k / 1000; // end key is inclusive
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiThreadedRFileTest.java
b/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiThreadedRFileTest.java
index 032efe5eb6..7d23629c3b 100644
---
a/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiThreadedRFileTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/file/rfile/MultiThreadedRFileTest.java
@@ -20,6 +20,7 @@ package org.apache.accumulo.core.file.rfile;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -29,7 +30,6 @@ import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UncheckedIOException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@@ -71,7 +71,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
@SuppressFBWarnings(value = "PATH_TRAVERSAL_IN", justification = "paths not
set by user input")
public class MultiThreadedRFileTest {
- private static final SecureRandom random = new SecureRandom();
private static final Logger LOG =
LoggerFactory.getLogger(MultiThreadedRFileTest.class);
private static final Collection<ByteSequence> EMPTY_COL_FAMS = new
ArrayList<>();
@@ -286,7 +285,7 @@ public class MultiThreadedRFileTest {
}
private void validate(TestRFile trf) throws IOException {
- random.ints(10, 0, 4).forEach(part -> {
+ RANDOM.get().ints(10, 0, 4).forEach(part -> {
try {
Range range = new Range(getKey(part, 0, 0), true, getKey(part, 4,
2048), true);
trf.iter.seek(range, EMPTY_COL_FAMS, false);
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/rfile/RFileTest.java
b/core/src/test/java/org/apache/accumulo/core/file/rfile/RFileTest.java
index 3366365879..0ea1bf2ee0 100644
--- a/core/src/test/java/org/apache/accumulo/core/file/rfile/RFileTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/file/rfile/RFileTest.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.core.file.rfile;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -33,7 +34,6 @@ import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
-import java.security.SecureRandom;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
@@ -105,8 +105,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
@SuppressFBWarnings(value = "PATH_TRAVERSAL_IN", justification = "paths not
set by user input")
public class RFileTest {
- private static final SecureRandom random = new SecureRandom();
-
public static class SampleIE implements IteratorEnvironment {
private SamplerConfiguration samplerConfig;
@@ -553,7 +551,7 @@ public class RFileTest {
// test seeking to random location and reading all data from that point
// there was an off by one bug with this in the transient index
for (int i = 0; i < 12; i++) {
- index = random.nextInt(expectedKeys.size());
+ index = RANDOM.get().nextInt(expectedKeys.size());
trf.seek(expectedKeys.get(index));
for (; index < expectedKeys.size(); index++) {
assertTrue(trf.iter.hasTop());
@@ -1646,13 +1644,13 @@ public class RFileTest {
for (int count = 0; count < 100; count++) {
- int start = random.nextInt(2300);
+ int start = RANDOM.get().nextInt(2300);
Range range = new Range(newKey(formatString("r_", start), "cf1", "cq1",
"L1", 42),
newKey(formatString("r_", start + 100), "cf1", "cq1", "L1", 42));
trf.reader.seek(range, cfs, false);
- int numToScan = random.nextInt(100);
+ int numToScan = RANDOM.get().nextInt(100);
for (int j = 0; j < numToScan; j++) {
assertTrue(trf.reader.hasTop());
@@ -1668,8 +1666,8 @@ public class RFileTest {
// seek a little forward from the last range and read a few keys within
the unconsumed portion
// of the last range
- int start2 = start + numToScan + random.nextInt(3);
- int end2 = start2 + random.nextInt(3);
+ int start2 = start + numToScan + RANDOM.get().nextInt(3);
+ int end2 = start2 + RANDOM.get().nextInt(3);
range = new Range(newKey(formatString("r_", start2), "cf1", "cq1", "L1",
42),
newKey(formatString("r_", end2), "cf1", "cq1", "L1", 42));
@@ -2005,24 +2003,24 @@ public class RFileTest {
boolean endInclusive = false;
int endIndex = sampleData.size();
- if (random.nextBoolean()) {
- startIndex = random.nextInt(sampleData.size());
+ if (RANDOM.get().nextBoolean()) {
+ startIndex = RANDOM.get().nextInt(sampleData.size());
startKey = sampleData.get(startIndex).getKey();
- startInclusive = random.nextBoolean();
+ startInclusive = RANDOM.get().nextBoolean();
if (!startInclusive) {
startIndex++;
}
}
- if (startIndex < endIndex && random.nextBoolean()) {
- endIndex -= random.nextInt(endIndex - startIndex);
+ if (startIndex < endIndex && RANDOM.get().nextBoolean()) {
+ endIndex -= RANDOM.get().nextInt(endIndex - startIndex);
endKey = sampleData.get(endIndex - 1).getKey();
- endInclusive = random.nextBoolean();
+ endInclusive = RANDOM.get().nextBoolean();
if (!endInclusive) {
endIndex--;
}
} else if (startIndex == endIndex) {
- endInclusive = random.nextBoolean();
+ endInclusive = RANDOM.get().nextBoolean();
}
sample.seek(new Range(startKey, startInclusive, endKey, endInclusive),
columnFamilies,
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/rfile/RollingStatsTest.java
b/core/src/test/java/org/apache/accumulo/core/file/rfile/RollingStatsTest.java
index e9a978aea7..6f91e56016 100644
---
a/core/src/test/java/org/apache/accumulo/core/file/rfile/RollingStatsTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/file/rfile/RollingStatsTest.java
@@ -18,9 +18,9 @@
*/
package org.apache.accumulo.core.file.rfile;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertTrue;
-import java.security.SecureRandom;
import java.util.function.IntSupplier;
import org.apache.commons.math3.distribution.NormalDistribution;
@@ -34,7 +34,6 @@ import com.google.common.math.DoubleMath;
public class RollingStatsTest {
private static final double TOLERANCE = 1.0 / 1000;
- private static final SecureRandom random = new SecureRandom();
private static void assertFuzzyEquals(double expected, double actual) {
assertTrue(DoubleMath.fuzzyEquals(expected, actual, TOLERANCE),
String.format(
@@ -80,7 +79,7 @@ public class RollingStatsTest {
rsp.addValue(v);
checkAgreement(ds, rs);
- if (random.nextDouble() < 0.001) {
+ if (RANDOM.get().nextDouble() < 0.001) {
checkAgreement(ds, rsp);
}
}
@@ -95,7 +94,7 @@ public class RollingStatsTest {
StatTester st = new StatTester(1019);
int[] keySizes = {103, 113, 123, 2345};
for (int i = 0; i < 10000; i++) {
- st.addValue(keySizes[random.nextInt(keySizes.length)]);
+ st.addValue(keySizes[RANDOM.get().nextInt(keySizes.length)]);
}
st.check();
}
@@ -120,7 +119,7 @@ public class RollingStatsTest {
StatTester st = new StatTester(windowSize);
for (int i = 0; i < 1000; i++) {
- int v = 200 + random.nextInt(50);
+ int v = 200 + RANDOM.get().nextInt(50);
st.addValue(v);
}
@@ -177,9 +176,9 @@ public class RollingStatsTest {
for (int i = 0; i < 13; i++) {
// write small keys
- int numSmall = 1000 + random.nextInt(1000);
+ int numSmall = 1000 + RANDOM.get().nextInt(1000);
for (int s = 0; s < numSmall; s++) {
- int sks = 50 + random.nextInt(100);
+ int sks = 50 + RANDOM.get().nextInt(100);
// simulate row with multiple cols
for (int c = 0; c < 3; c++) {
st.addValue(sks);
@@ -187,9 +186,9 @@ public class RollingStatsTest {
}
// write a few large keys
- int numLarge = 1 + random.nextInt(1);
+ int numLarge = 1 + RANDOM.get().nextInt(1);
for (int l = 0; l < numLarge; l++) {
- int lks = 500000 + random.nextInt(1000000);
+ int lks = 500000 + RANDOM.get().nextInt(1000000);
for (int c = 0; c < 3; c++) {
st.addValue(lks);
}
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedInputStreamTest.java
b/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedInputStreamTest.java
index 11936f8ae9..8eb3a5ef67 100644
---
a/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedInputStreamTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedInputStreamTest.java
@@ -18,10 +18,10 @@
*/
package org.apache.accumulo.core.file.streams;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.io.InputStream;
-import java.security.SecureRandom;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.accumulo.core.util.ratelimit.RateLimiter;
@@ -31,8 +31,6 @@ import org.junit.jupiter.api.Test;
public class RateLimitedInputStreamTest {
- private static final SecureRandom random = new SecureRandom();
-
@Test
public void permitsAreProperlyAcquired() throws Exception {
// Create variables for tracking behaviors of mock object
@@ -49,7 +47,7 @@ public class RateLimitedInputStreamTest {
long bytesRetrieved = 0;
try (InputStream is = new RateLimitedInputStream(new RandomInputStream(),
rateLimiter)) {
for (int i = 0; i < 100; ++i) {
- int count = Math.abs(random.nextInt()) % 65536;
+ int count = Math.abs(RANDOM.get().nextInt()) % 65536;
int countRead = is.read(new byte[count]);
assertEquals(count, countRead);
bytesRetrieved += count;
@@ -62,7 +60,7 @@ public class RateLimitedInputStreamTest {
@Override
public int read() {
- return random.nextInt() & 0xff;
+ return RANDOM.get().nextInt() & 0xff;
}
@Override
diff --git
a/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedOutputStreamTest.java
b/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedOutputStreamTest.java
index d83cff4dbe..8df1a3104e 100644
---
a/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedOutputStreamTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/file/streams/RateLimitedOutputStreamTest.java
@@ -18,10 +18,10 @@
*/
package org.apache.accumulo.core.file.streams;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.io.OutputStream;
-import java.security.SecureRandom;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.accumulo.core.util.ratelimit.RateLimiter;
@@ -33,8 +33,6 @@ import com.google.common.io.CountingOutputStream;
public class RateLimitedOutputStreamTest {
- private static final SecureRandom random = new SecureRandom();
-
@Test
public void permitsAreProperlyAcquired() throws Exception {
// Create variables for tracking behaviors of mock object
@@ -52,7 +50,7 @@ public class RateLimitedOutputStreamTest {
try (RateLimitedOutputStream os =
new RateLimitedOutputStream(new NullOutputStream(), rateLimiter)) {
for (int i = 0; i < 100; ++i) {
- byte[] bytes = new byte[Math.abs(random.nextInt() % 65536)];
+ byte[] bytes = new byte[Math.abs(RANDOM.get().nextInt() % 65536)];
os.write(bytes);
bytesWritten += bytes.length;
}
diff --git
a/core/src/test/java/org/apache/accumulo/core/iterators/user/IndexedDocIteratorTest.java
b/core/src/test/java/org/apache/accumulo/core/iterators/user/IndexedDocIteratorTest.java
index b886179c4c..89bb9521ce 100644
---
a/core/src/test/java/org/apache/accumulo/core/iterators/user/IndexedDocIteratorTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/iterators/user/IndexedDocIteratorTest.java
@@ -18,11 +18,11 @@
*/
package org.apache.accumulo.core.iterators.user;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
@@ -46,7 +46,6 @@ import org.junit.jupiter.api.Test;
public class IndexedDocIteratorTest {
- private static final SecureRandom random = new SecureRandom();
private static final Collection<ByteSequence> EMPTY_COL_FAMS = new
ArrayList<>();
private static final byte[] nullByte = {0};
@@ -93,7 +92,7 @@ public class IndexedDocIteratorTest {
doc.append(nullByte, 0, 1);
doc.append(String.format("%010d", docid).getBytes(), 0, 10);
for (int j = 0; j < columnFamilies.length; j++) {
- if (random.nextFloat() < hitRatio) {
+ if (RANDOM.get().nextFloat() < hitRatio) {
Text colq = new Text(columnFamilies[j]);
colq.append(nullByte, 0, 1);
colq.append(doc.getBytes(), 0, doc.getLength());
@@ -116,7 +115,7 @@ public class IndexedDocIteratorTest {
docs.add(doc);
}
for (Text cf : otherColumnFamilies) {
- if (random.nextFloat() < hitRatio) {
+ if (RANDOM.get().nextFloat() < hitRatio) {
Text colq = new Text(cf);
colq.append(nullByte, 0, 1);
colq.append(doc.getBytes(), 0, doc.getLength());
diff --git
a/core/src/test/java/org/apache/accumulo/core/iterators/user/IntersectingIteratorTest.java
b/core/src/test/java/org/apache/accumulo/core/iterators/user/IntersectingIteratorTest.java
index 2c3710d957..52c3a79406 100644
---
a/core/src/test/java/org/apache/accumulo/core/iterators/user/IntersectingIteratorTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/iterators/user/IntersectingIteratorTest.java
@@ -18,11 +18,11 @@
*/
package org.apache.accumulo.core.iterators.user;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
@@ -43,7 +43,6 @@ import org.junit.jupiter.api.Test;
public class IntersectingIteratorTest {
- private static final SecureRandom random = new SecureRandom();
private static final Collection<ByteSequence> EMPTY_COL_FAMS = new
ArrayList<>();
private static IteratorEnvironment env = new DefaultIteratorEnvironment();
@@ -78,7 +77,7 @@ public class IntersectingIteratorTest {
boolean docHits = true;
Text doc = new Text(String.format("%010d", docid));
for (int j = 0; j < columnFamilies.length; j++) {
- if (random.nextFloat() < hitRatio) {
+ if (RANDOM.get().nextFloat() < hitRatio) {
Key k = new Key(row, columnFamilies[j], doc);
map.put(k, v);
if (negateMask[j]) {
@@ -94,7 +93,7 @@ public class IntersectingIteratorTest {
docs.add(doc);
}
for (Text cf : otherColumnFamilies) {
- if (random.nextFloat() < hitRatio) {
+ if (RANDOM.get().nextFloat() < hitRatio) {
Key k = new Key(row, cf, doc);
map.put(k, v);
}
diff --git
a/core/src/test/java/org/apache/accumulo/core/iterators/user/TestCfCqSlice.java
b/core/src/test/java/org/apache/accumulo/core/iterators/user/TestCfCqSlice.java
index 7160251656..02771e3906 100644
---
a/core/src/test/java/org/apache/accumulo/core/iterators/user/TestCfCqSlice.java
+++
b/core/src/test/java/org/apache/accumulo/core/iterators/user/TestCfCqSlice.java
@@ -19,10 +19,10 @@
package org.apache.accumulo.core.iterators.user;
import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
-import java.security.SecureRandom;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
@@ -45,7 +45,6 @@ import org.junit.jupiter.api.Test;
public abstract class TestCfCqSlice {
- private static final SecureRandom random = new SecureRandom();
private static final Range INFINITY = new Range();
private static final Lexicoder<Long> LONG_LEX = new ReadableLongLexicoder(4);
private static final AtomicLong ROW_ID_GEN = new AtomicLong();
@@ -381,7 +380,7 @@ public abstract class TestCfCqSlice {
assertFalse(foundKvs[row][cf][cq], "Duplicate " + row + " " + cf + " " +
cq);
foundKvs[row][cf][cq] = true;
- if (random.nextInt(100) == 0) {
+ if (RANDOM.get().nextInt(100) == 0) {
skvi.seek(new Range(k, false, range.getEndKey(),
range.isEndKeyInclusive()), EMPTY_CF_SET,
false);
} else {
diff --git
a/core/src/test/java/org/apache/accumulo/core/security/AuthenticationTokenTest.java
b/core/src/test/java/org/apache/accumulo/core/security/AuthenticationTokenTest.java
index c548a091e1..765778b2f0 100644
---
a/core/src/test/java/org/apache/accumulo/core/security/AuthenticationTokenTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/security/AuthenticationTokenTest.java
@@ -18,10 +18,10 @@
*/
package org.apache.accumulo.core.security;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
-import java.security.SecureRandom;
import java.util.stream.IntStream;
import org.apache.accumulo.core.client.security.tokens.AuthenticationToken;
@@ -32,14 +32,12 @@ import org.junit.jupiter.api.Test;
public class AuthenticationTokenTest {
- private static final SecureRandom random = new SecureRandom();
-
@Test
public void testSerializeDeserializeToken() {
byte[] randomBytes = new byte[12];
do {
// random fill, but avoid all zeros case
- random.nextBytes(randomBytes);
+ RANDOM.get().nextBytes(randomBytes);
} while (IntStream.range(0, randomBytes.length).allMatch(i ->
randomBytes[i] == 0));
byte[] serialized = AuthenticationTokenSerializer.serialize(new
PasswordToken(randomBytes));
diff --git
a/core/src/test/java/org/apache/accumulo/core/spi/balancer/GroupBalancerTest.java
b/core/src/test/java/org/apache/accumulo/core/spi/balancer/GroupBalancerTest.java
index 4320d58968..3dfd120e48 100644
---
a/core/src/test/java/org/apache/accumulo/core/spi/balancer/GroupBalancerTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/spi/balancer/GroupBalancerTest.java
@@ -18,10 +18,10 @@
*/
package org.apache.accumulo.core.spi.balancer;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
@@ -49,8 +49,6 @@ import org.junit.jupiter.api.Test;
public class GroupBalancerTest {
- private static final SecureRandom random = new SecureRandom();
-
private static final Function<TabletId,String> partitioner =
input -> (input == null || input.getEndRow() == null) ? null
: input.getEndRow().toString().substring(0, 2);
@@ -326,8 +324,8 @@ public class GroupBalancerTest {
for (int g = 1; g <= 60; g++) {
for (int t = 1; t <= 241; t++) {
- tservers.addTablet(String.format("%02d:%d", g, t), "192.168.1." +
(random.nextInt(249) + 1),
- 9997);
+ tservers.addTablet(String.format("%02d:%d", g, t),
+ "192.168.1." + (RANDOM.get().nextInt(249) + 1), 9997);
}
}
@@ -343,9 +341,9 @@ public class GroupBalancerTest {
TabletServers tservers = new TabletServers();
for (int g = 1; g <= 60; g++) {
- for (int t = 1; t <= random.nextInt(1000); t++) {
- tservers.addTablet(String.format("%02d:%d", g, t), "192.168.1." +
(random.nextInt(249) + 1),
- 9997);
+ for (int t = 1; t <= RANDOM.get().nextInt(1000); t++) {
+ tservers.addTablet(String.format("%02d:%d", g, t),
+ "192.168.1." + (RANDOM.get().nextInt(249) + 1), 9997);
}
}
diff --git
a/core/src/test/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelectorTest.java
b/core/src/test/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelectorTest.java
index 376cfba81d..59bfd40b94 100644
---
a/core/src/test/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelectorTest.java
+++
b/core/src/test/java/org/apache/accumulo/core/spi/scan/ConfigurableScanServerSelectorTest.java
@@ -18,12 +18,12 @@
*/
package org.apache.accumulo.core.spi.scan;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
-import java.security.SecureRandom;
import java.time.Duration;
import java.util.Collection;
import java.util.HashMap;
@@ -253,12 +253,11 @@ public class ConfigurableScanServerSelectorTest {
Map<String,Long> allServersSeen = new HashMap<>();
- SecureRandom rand = new SecureRandom();
-
for (int t = 0; t < 10000; t++) {
Set<String> serversSeen = new HashSet<>();
- String endRow = Long.toString(Math.abs(Math.max(rand.nextLong(),
Long.MIN_VALUE + 1)), 36);
+ String endRow =
+ Long.toString(Math.abs(Math.max(RANDOM.get().nextLong(),
Long.MIN_VALUE + 1)), 36);
var tabletId = t % 1000 == 0 ? nti("" + t, null) : nti("" + t, endRow);
diff --git
a/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapred/AccumuloRecordReader.java
b/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapred/AccumuloRecordReader.java
index b7d72a4a9d..09bb4539a6 100644
---
a/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapred/AccumuloRecordReader.java
+++
b/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapred/AccumuloRecordReader.java
@@ -19,10 +19,10 @@
package org.apache.accumulo.hadoopImpl.mapred;
import static
com.google.common.util.concurrent.Uninterruptibles.sleepUninterruptibly;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
import java.net.InetAddress;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@@ -72,7 +72,6 @@ import org.slf4j.LoggerFactory;
*/
public abstract class AccumuloRecordReader<K,V> implements RecordReader<K,V> {
- private static final SecureRandom random = new SecureRandom();
// class to serialize configuration under in the job
private final Class<?> CLASS;
private static final Logger log =
LoggerFactory.getLogger(AccumuloRecordReader.class);
@@ -337,7 +336,7 @@ public abstract class AccumuloRecordReader<K,V> implements
RecordReader<K,V> {
while (binnedRanges == null) {
// Some tablets were still online, try again
// sleep randomly between 100 and 200 ms
- sleepUninterruptibly(100 + random.nextInt(100),
TimeUnit.MILLISECONDS);
+ sleepUninterruptibly(100 + RANDOM.get().nextInt(100),
TimeUnit.MILLISECONDS);
binnedRanges = binOfflineTable(job, tableId, ranges,
callingClass);
}
} else {
@@ -353,7 +352,7 @@ public abstract class AccumuloRecordReader<K,V> implements
RecordReader<K,V> {
binnedRanges.clear();
log.warn("Unable to locate bins for specified ranges.
Retrying.");
// sleep randomly between 100 and 200 ms
- sleepUninterruptibly(100 + random.nextInt(100),
TimeUnit.MILLISECONDS);
+ sleepUninterruptibly(100 + RANDOM.get().nextInt(100),
TimeUnit.MILLISECONDS);
tl.invalidateCache();
}
}
diff --git
a/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapreduce/AccumuloRecordReader.java
b/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapreduce/AccumuloRecordReader.java
index 90956ccdf1..3b60ca798a 100644
---
a/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapreduce/AccumuloRecordReader.java
+++
b/hadoop-mapreduce/src/main/java/org/apache/accumulo/hadoopImpl/mapreduce/AccumuloRecordReader.java
@@ -19,10 +19,10 @@
package org.apache.accumulo.hadoopImpl.mapreduce;
import static
com.google.common.util.concurrent.Uninterruptibles.sleepUninterruptibly;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
import java.net.InetAddress;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@@ -72,7 +72,6 @@ import org.slf4j.LoggerFactory;
* the user's K/V types.
*/
public abstract class AccumuloRecordReader<K,V> extends RecordReader<K,V> {
- private static final SecureRandom random = new SecureRandom();
private static final Logger log =
LoggerFactory.getLogger(AccumuloRecordReader.class);
// class to serialize configuration under in the job
private final Class<?> CLASS;
@@ -369,7 +368,7 @@ public abstract class AccumuloRecordReader<K,V> extends
RecordReader<K,V> {
while (binnedRanges == null) {
// Some tablets were still online, try again
// sleep randomly between 100 and 200 ms
- sleepUninterruptibly(100 + random.nextInt(100),
TimeUnit.MILLISECONDS);
+ sleepUninterruptibly(100 + RANDOM.get().nextInt(100),
TimeUnit.MILLISECONDS);
binnedRanges = binOfflineTable(context, tableId, ranges,
callingClass);
}
@@ -386,7 +385,7 @@ public abstract class AccumuloRecordReader<K,V> extends
RecordReader<K,V> {
binnedRanges.clear();
log.warn("Unable to locate bins for specified ranges.
Retrying.");
// sleep randomly between 100 and 200 ms
- sleepUninterruptibly(100 + random.nextInt(100),
TimeUnit.MILLISECONDS);
+ sleepUninterruptibly(100 + RANDOM.get().nextInt(100),
TimeUnit.MILLISECONDS);
tl.invalidateCache();
}
}
diff --git
a/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/IsolatedDeepCopiesTestCase.java
b/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/IsolatedDeepCopiesTestCase.java
index 3cadb368ab..8798b52613 100644
---
a/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/IsolatedDeepCopiesTestCase.java
+++
b/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/IsolatedDeepCopiesTestCase.java
@@ -18,8 +18,9 @@
*/
package org.apache.accumulo.iteratortest.testcases;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
@@ -43,8 +44,6 @@ import org.slf4j.LoggerFactory;
public class IsolatedDeepCopiesTestCase implements IteratorTestCase {
private static final Logger log =
LoggerFactory.getLogger(IsolatedDeepCopiesTestCase.class);
- private static final SecureRandom random = new SecureRandom();
-
@Override
public IteratorTestOutput test(IteratorTestInput testInput) {
final SortedKeyValueIterator<Key,Value> skvi =
IteratorTestUtil.instantiateIterator(testInput);
@@ -81,7 +80,7 @@ public class IsolatedDeepCopiesTestCase implements
IteratorTestCase {
// All of the copies should have consistent results from concurrent use
while (allHasTop(iterators)) {
// occasionally deep copy one of the existing iterators
- if (random.nextInt(3) == 0) {
+ if (RANDOM.get().nextInt(3) == 0) {
log.debug("Deep-copying and re-seeking an iterator");
SortedKeyValueIterator<Key,Value> newcopy =
getRandomElement(iterators).deepCopy(iterEnv);
newcopy.seek(
@@ -109,7 +108,7 @@ public class IsolatedDeepCopiesTestCase implements
IteratorTestCase {
if (iterators == null || iterators.isEmpty()) {
throw new IllegalArgumentException("should not pass an empty
collection");
}
- int num = random.nextInt(iterators.size());
+ int num = RANDOM.get().nextInt(iterators.size());
for (E e : iterators) {
if (num-- == 0) {
return e;
diff --git
a/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/MultipleHasTopCalls.java
b/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/MultipleHasTopCalls.java
index e1010d7c80..cde5a9323d 100644
---
a/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/MultipleHasTopCalls.java
+++
b/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/MultipleHasTopCalls.java
@@ -18,8 +18,9 @@
*/
package org.apache.accumulo.iteratortest.testcases;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.TreeMap;
import org.apache.accumulo.core.data.Key;
@@ -39,8 +40,6 @@ import org.apache.accumulo.iteratortest.IteratorTestOutput;
*/
public class MultipleHasTopCalls implements IteratorTestCase {
- private static final SecureRandom random = new SecureRandom();
-
@Override
public IteratorTestOutput test(IteratorTestInput testInput) {
final SortedKeyValueIterator<Key,Value> skvi =
IteratorTestUtil.instantiateIterator(testInput);
@@ -59,7 +58,7 @@ public class MultipleHasTopCalls implements IteratorTestCase {
TreeMap<Key,Value> data = new TreeMap<>();
while (skvi.hasTop()) {
// Check 1 to 5 times. If hasTop returned true, it should continue to
return true.
- for (int i = 0; i < random.nextInt(5) + 1; i++) {
+ for (int i = 0; i < RANDOM.get().nextInt(5) + 1; i++) {
if (!skvi.hasTop()) {
throw badStateException(true);
}
@@ -70,7 +69,7 @@ public class MultipleHasTopCalls implements IteratorTestCase {
}
// Check 1 to 5 times. Once hasTop returned false, it should continue to
return false
- for (int i = 0; i < random.nextInt(5) + 1; i++) {
+ for (int i = 0; i < RANDOM.get().nextInt(5) + 1; i++) {
if (skvi.hasTop()) {
throw badStateException(false);
}
diff --git
a/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/ReSeekTestCase.java
b/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/ReSeekTestCase.java
index a537c25cb6..5a4b86886e 100644
---
a/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/ReSeekTestCase.java
+++
b/iterator-test-harness/src/main/java/org/apache/accumulo/iteratortest/testcases/ReSeekTestCase.java
@@ -18,8 +18,9 @@
*/
package org.apache.accumulo.iteratortest.testcases;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.Collection;
import java.util.TreeMap;
@@ -38,7 +39,6 @@ import org.slf4j.LoggerFactory;
* Test case that verifies that an iterator can use the generated instance
from {@code deepCopy}.
*/
public class ReSeekTestCase implements IteratorTestCase {
- private static final SecureRandom random = new SecureRandom();
private static final Logger log =
LoggerFactory.getLogger(ReSeekTestCase.class);
/**
@@ -67,7 +67,7 @@ public class ReSeekTestCase implements IteratorTestCase {
final Range origRange = testInput.getRange();
final Collection<ByteSequence> origFamilies = testInput.getFamilies();
final boolean origInclusive = testInput.isInclusive();
- int reseekCount = random.nextInt(RESEEK_INTERVAL);
+ int reseekCount = RANDOM.get().nextInt(RESEEK_INTERVAL);
int i = 0;
while (skvi.hasTop()) {
diff --git
a/server/base/src/main/java/org/apache/accumulo/server/tablets/UniqueNameAllocator.java
b/server/base/src/main/java/org/apache/accumulo/server/tablets/UniqueNameAllocator.java
index 66775fa117..042cc5b3f0 100644
---
a/server/base/src/main/java/org/apache/accumulo/server/tablets/UniqueNameAllocator.java
+++
b/server/base/src/main/java/org/apache/accumulo/server/tablets/UniqueNameAllocator.java
@@ -19,8 +19,7 @@
package org.apache.accumulo.server.tablets;
import static java.nio.charset.StandardCharsets.UTF_8;
-
-import java.security.SecureRandom;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.util.FastFormat;
@@ -38,7 +37,6 @@ public class UniqueNameAllocator {
private long next = 0;
private long maxAllocated = 0;
private String nextNamePath;
- private static final SecureRandom random = new SecureRandom();
public UniqueNameAllocator(ServerContext context) {
this.context = context;
@@ -48,7 +46,7 @@ public class UniqueNameAllocator {
public synchronized String getNextName() {
while (next >= maxAllocated) {
- final int allocate = 100 + random.nextInt(100);
+ final int allocate = 100 + RANDOM.get().nextInt(100);
try {
byte[] max = context.getZooReaderWriter().mutateExisting(nextNamePath,
currentValue -> {
diff --git
a/server/base/src/main/java/org/apache/accumulo/server/util/FileUtil.java
b/server/base/src/main/java/org/apache/accumulo/server/util/FileUtil.java
index 00a6b29e99..31b7dd746f 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/util/FileUtil.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/util/FileUtil.java
@@ -18,9 +18,10 @@
*/
package org.apache.accumulo.server.util;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.io.FileNotFoundException;
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@@ -59,8 +60,6 @@ import org.slf4j.LoggerFactory;
public class FileUtil {
- private static final SecureRandom random = new SecureRandom();
-
public static class FileInfo {
Key firstKey = new Key();
Key lastKey = new Key();
@@ -89,7 +88,7 @@ public class FileUtil {
Path result = null;
while (result == null) {
result = new Path(tabletDirectory + Path.SEPARATOR + "tmp/idxReduce_"
- + String.format("%09d", random.nextInt(Integer.MAX_VALUE)));
+ + String.format("%09d", RANDOM.get().nextInt(Integer.MAX_VALUE)));
try {
fs.getFileStatus(result);
result = null;
diff --git
a/server/base/src/main/java/org/apache/accumulo/server/util/RandomWriter.java
b/server/base/src/main/java/org/apache/accumulo/server/util/RandomWriter.java
index 2d347f837a..4bc52c3875 100644
---
a/server/base/src/main/java/org/apache/accumulo/server/util/RandomWriter.java
+++
b/server/base/src/main/java/org/apache/accumulo/server/util/RandomWriter.java
@@ -18,7 +18,8 @@
*/
package org.apache.accumulo.server.util;
-import java.security.SecureRandom;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.util.Iterator;
import java.util.Properties;
@@ -44,7 +45,6 @@ public class RandomWriter {
private static int num_columns_per_row = 1;
private static int num_payload_bytes = 1024;
private static final Logger log =
LoggerFactory.getLogger(RandomWriter.class);
- private static final SecureRandom random = new SecureRandom();
public static class RandomMutationGenerator implements Iterable<Mutation>,
Iterator<Mutation> {
private long max_mutations;
@@ -63,12 +63,12 @@ public class RandomWriter {
@Override
public Mutation next() {
Text row_value = new Text(
- Long.toString(((random.nextLong() & 0x7fffffffffffffffL) / 177) %
100000000000L));
+ Long.toString(((RANDOM.get().nextLong() & 0x7fffffffffffffffL) /
177) % 100000000000L));
Mutation m = new Mutation(row_value);
for (int column = 0; column < num_columns_per_row; column++) {
Text column_fam = new Text("col_fam");
byte[] bytes = new byte[num_payload_bytes];
- random.nextBytes(bytes);
+ RANDOM.get().nextBytes(bytes);
m.put(column_fam, new Text("" + column), new Value(bytes));
}
mutations_so_far++;
diff --git
a/server/base/src/main/java/org/apache/accumulo/server/zookeeper/DistributedWorkQueue.java
b/server/base/src/main/java/org/apache/accumulo/server/zookeeper/DistributedWorkQueue.java
index 0423906162..cd667909d0 100644
---
a/server/base/src/main/java/org/apache/accumulo/server/zookeeper/DistributedWorkQueue.java
+++
b/server/base/src/main/java/org/apache/accumulo/server/zookeeper/DistributedWorkQueue.java
@@ -21,8 +21,8 @@ package org.apache.accumulo.server.zookeeper;
import static java.lang.Math.toIntExact;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.MINUTES;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
@@ -53,7 +53,6 @@ import org.slf4j.LoggerFactory;
*/
public class DistributedWorkQueue {
- private static final SecureRandom random = new SecureRandom();
private static final String LOCKS_NODE = "locks";
private static final Logger log =
LoggerFactory.getLogger(DistributedWorkQueue.class);
@@ -75,7 +74,7 @@ public class DistributedWorkQueue {
return;
}
- Collections.shuffle(children, random);
+ Collections.shuffle(children, RANDOM.get());
try {
for (final String child : children) {
@@ -170,7 +169,7 @@ public class DistributedWorkQueue {
public DistributedWorkQueue(String path, AccumuloConfiguration config,
ServerContext context) {
// Preserve the old delay and period
- this(path, config, context,
random.nextInt(toIntExact(MINUTES.toMillis(1))),
+ this(path, config, context,
RANDOM.get().nextInt(toIntExact(MINUTES.toMillis(1))),
MINUTES.toMillis(1));
}
diff --git
a/server/base/src/test/java/org/apache/accumulo/server/conf/codec/VersionedPropEncryptCodec.java
b/server/base/src/test/java/org/apache/accumulo/server/conf/codec/VersionedPropEncryptCodec.java
index cc6aedd62f..b76dae24ad 100644
---
a/server/base/src/test/java/org/apache/accumulo/server/conf/codec/VersionedPropEncryptCodec.java
+++
b/server/base/src/test/java/org/apache/accumulo/server/conf/codec/VersionedPropEncryptCodec.java
@@ -18,6 +18,8 @@
*/
package org.apache.accumulo.server.conf.codec;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
@@ -27,7 +29,6 @@ import java.io.OutputStream;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import java.util.Map;
@@ -54,8 +55,6 @@ import javax.crypto.spec.SecretKeySpec;
*/
public class VersionedPropEncryptCodec extends VersionedPropCodec {
- private static final SecureRandom random = new SecureRandom();
-
// testing version (999 or higher)
public static final int EXPERIMENTAL_CIPHER_ENCODING_1_0 = 999;
@@ -217,7 +216,7 @@ public class VersionedPropEncryptCodec extends
VersionedPropCodec {
// utils
public static GCMParameterSpec buildGCMParameterSpec() {
byte[] iv = new byte[16];
- random.nextBytes(iv);
+ RANDOM.get().nextBytes(iv);
return new GCMParameterSpec(128, iv);
}
diff --git
a/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java
b/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java
index 159de1504d..df295cb912 100644
---
a/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java
+++
b/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java
@@ -21,11 +21,11 @@ package org.apache.accumulo.compactor;
import static
com.google.common.util.concurrent.Uninterruptibles.sleepUninterruptibly;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.MINUTES;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.net.UnknownHostException;
-import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
@@ -119,8 +119,6 @@ import io.micrometer.core.instrument.MeterRegistry;
public class Compactor extends AbstractServer implements MetricsProducer,
CompactorService.Iface {
- private static final SecureRandom random = new SecureRandom();
-
private static final Logger LOG = LoggerFactory.getLogger(Compactor.class);
private static final long TIME_BETWEEN_CANCEL_CHECKS = MINUTES.toMillis(5);
@@ -575,7 +573,7 @@ public class Compactor extends AbstractServer implements
MetricsProducer, Compac
sleepTime = Math.min(300_000L, sleepTime);
// Add some random jitter to the sleep time, that averages out to sleep
time. This will spread
// compactors out evenly over time.
- sleepTime = (long) (.9 * sleepTime + sleepTime * .2 * random.nextDouble());
+ sleepTime = (long) (.9 * sleepTime + sleepTime * .2 *
RANDOM.get().nextDouble());
LOG.trace("Sleeping {}ms based on {} compactors", sleepTime,
numCompactors);
return sleepTime;
}
diff --git
a/server/tserver/src/main/java/org/apache/accumulo/tserver/TabletServer.java
b/server/tserver/src/main/java/org/apache/accumulo/tserver/TabletServer.java
index 829e4dd5c0..1ceb05e026 100644
--- a/server/tserver/src/main/java/org/apache/accumulo/tserver/TabletServer.java
+++ b/server/tserver/src/main/java/org/apache/accumulo/tserver/TabletServer.java
@@ -23,6 +23,7 @@ import static
org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType
import static
org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType.FILES;
import static
org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType.LOGS;
import static
org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType.PREV_ROW;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static
org.apache.accumulo.core.util.threads.ThreadPools.watchCriticalFixedDelay;
import static
org.apache.accumulo.core.util.threads.ThreadPools.watchCriticalScheduledTask;
import static
org.apache.accumulo.core.util.threads.ThreadPools.watchNonCriticalScheduledTask;
@@ -31,7 +32,6 @@ import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.lang.reflect.InvocationTargetException;
import java.net.UnknownHostException;
-import java.security.SecureRandom;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
@@ -174,7 +174,6 @@ import io.opentelemetry.context.Scope;
public class TabletServer extends AbstractServer implements
TabletHostingServer {
- private static final SecureRandom random = new SecureRandom();
private static final Logger log =
LoggerFactory.getLogger(TabletServer.class);
private static final long TIME_BETWEEN_LOCATOR_CACHE_CLEARS =
TimeUnit.HOURS.toMillis(1);
@@ -371,7 +370,7 @@ public class TabletServer extends AbstractServer implements
TabletHostingServer
private static long jitter() {
// add a random 10% wait
- return (long) ((1. + (random.nextDouble() / 10))
+ return (long) ((1. + (RANDOM.get().nextDouble() / 10))
* TabletServer.TIME_BETWEEN_LOCATOR_CACHE_CLEARS);
}
diff --git
a/server/tserver/src/main/java/org/apache/accumulo/tserver/session/SessionManager.java
b/server/tserver/src/main/java/org/apache/accumulo/tserver/session/SessionManager.java
index 53a5dff8af..7f32b7bfda 100644
---
a/server/tserver/src/main/java/org/apache/accumulo/tserver/session/SessionManager.java
+++
b/server/tserver/src/main/java/org/apache/accumulo/tserver/session/SessionManager.java
@@ -18,7 +18,8 @@
*/
package org.apache.accumulo.tserver.session;
-import java.security.SecureRandom;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
@@ -57,7 +58,6 @@ import com.google.common.collect.Maps;
public class SessionManager {
private static final Logger log =
LoggerFactory.getLogger(SessionManager.class);
- private static final SecureRandom random = new SecureRandom();
private final ConcurrentMap<Long,Session> sessions = new
ConcurrentHashMap<>();
private final long maxIdle;
private final long maxUpdateIdle;
@@ -79,7 +79,7 @@ public class SessionManager {
}
public long createSession(Session session, boolean reserve) {
- long sid = random.nextLong();
+ long sid = RANDOM.get().nextLong();
synchronized (session) {
Preconditions.checkArgument(session.state == State.NEW);
@@ -88,7 +88,7 @@ public class SessionManager {
}
while (sessions.putIfAbsent(sid, session) != null) {
- sid = random.nextLong();
+ sid = RANDOM.get().nextLong();
}
return sid;
diff --git
a/server/tserver/src/main/java/org/apache/accumulo/tserver/tablet/MinorCompactor.java
b/server/tserver/src/main/java/org/apache/accumulo/tserver/tablet/MinorCompactor.java
index 41ba1756b1..ab7f53e2a5 100644
---
a/server/tserver/src/main/java/org/apache/accumulo/tserver/tablet/MinorCompactor.java
+++
b/server/tserver/src/main/java/org/apache/accumulo/tserver/tablet/MinorCompactor.java
@@ -19,9 +19,9 @@
package org.apache.accumulo.tserver.tablet;
import static
com.google.common.util.concurrent.Uninterruptibles.sleepUninterruptibly;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
-import java.security.SecureRandom;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
@@ -47,7 +47,6 @@ import org.slf4j.LoggerFactory;
public class MinorCompactor extends FileCompactor {
- private static final SecureRandom random = new SecureRandom();
private static final Logger log =
LoggerFactory.getLogger(MinorCompactor.class);
private final TabletServer tabletServer;
@@ -132,7 +131,7 @@ public class MinorCompactor extends FileCompactor {
throw new IllegalStateException(e);
}
- int sleep = sleepTime + random.nextInt(sleepTime);
+ int sleep = sleepTime + RANDOM.get().nextInt(sleepTime);
log.debug("MinC failed sleeping {} ms before retrying", sleep);
sleepUninterruptibly(sleep, TimeUnit.MILLISECONDS);
sleepTime = (int) Math.round(Math.min(maxSleepTime, sleepTime *
growthFactor));
diff --git
a/shell/src/main/java/org/apache/accumulo/shell/commands/HiddenCommand.java
b/shell/src/main/java/org/apache/accumulo/shell/commands/HiddenCommand.java
index 761ec0a69b..1872ab55d8 100644
--- a/shell/src/main/java/org/apache/accumulo/shell/commands/HiddenCommand.java
+++ b/shell/src/main/java/org/apache/accumulo/shell/commands/HiddenCommand.java
@@ -19,8 +19,8 @@
package org.apache.accumulo.shell.commands;
import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
-import java.security.SecureRandom;
import java.util.Base64;
import org.apache.accumulo.shell.Shell;
@@ -31,7 +31,6 @@ import org.apache.commons.cli.CommandLine;
import org.jline.utils.InfoCmp;
public class HiddenCommand extends Command {
- private static final SecureRandom random = new SecureRandom();
@Override
public String description() {
@@ -41,7 +40,7 @@ public class HiddenCommand extends Command {
@Override
public int execute(final String fullCommand, final CommandLine cl, final
Shell shellState)
throws Exception {
- if (random.nextInt(10) == 0) {
+ if (RANDOM.get().nextInt(10) == 0) {
shellState.getTerminal().puts(InfoCmp.Capability.bell);
shellState.getWriter().println();
shellState.getWriter()
diff --git a/test/src/main/java/org/apache/accumulo/harness/AccumuloITBase.java
b/test/src/main/java/org/apache/accumulo/harness/AccumuloITBase.java
index 4d07f2393a..4e79933c55 100644
--- a/test/src/main/java/org/apache/accumulo/harness/AccumuloITBase.java
+++ b/test/src/main/java/org/apache/accumulo/harness/AccumuloITBase.java
@@ -24,7 +24,6 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.File;
import java.io.IOException;
-import java.security.SecureRandom;
import java.time.Duration;
import java.util.Collection;
import java.util.Map.Entry;
@@ -43,7 +42,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
* Methods, setup and/or infrastructure which are common to any Accumulo
integration test.
*/
public class AccumuloITBase extends WithTestNames {
- public static final SecureRandom random = new SecureRandom();
private static final Logger log =
LoggerFactory.getLogger(AccumuloITBase.class);
public static final String STANDALONE_CAPABLE_CLUSTER =
"StandaloneCapableCluster";
@@ -137,7 +135,7 @@ public class AccumuloITBase extends WithTestNames {
});
/**
- * Time to wait per-method before declaring a timeout, in seconds.
+ * Time to wait per-method before declaring a timeout.
*/
protected Duration defaultTimeout() {
return Duration.ofMinutes(10);
diff --git
a/test/src/main/java/org/apache/accumulo/harness/SharedMiniClusterBase.java
b/test/src/main/java/org/apache/accumulo/harness/SharedMiniClusterBase.java
index 2276318420..a21c480c96 100644
--- a/test/src/main/java/org/apache/accumulo/harness/SharedMiniClusterBase.java
+++ b/test/src/main/java/org/apache/accumulo/harness/SharedMiniClusterBase.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.harness;
import static java.lang.StackWalker.Option.RETAIN_CLASS_REFERENCE;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.apache.accumulo.harness.AccumuloITBase.MINI_CLUSTER_ONLY;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -124,7 +125,7 @@ public abstract class SharedMiniClusterBase extends
AccumuloITBase implements Cl
StackWalker.getInstance(RETAIN_CLASS_REFERENCE).walk(findCallerITClass).map(Class::getName);
// use the calling class name, or default to a unique name if IT class
can't be found
return callerClassName.orElse(String.format("UnknownITClass-%d-%d",
System.currentTimeMillis(),
- random.nextInt(Short.MAX_VALUE)));
+ RANDOM.get().nextInt(Short.MAX_VALUE)));
}
/**
diff --git
a/test/src/main/java/org/apache/accumulo/test/ChaoticLoadBalancer.java
b/test/src/main/java/org/apache/accumulo/test/ChaoticLoadBalancer.java
index fce97a41ba..6f4c6173f4 100644
--- a/test/src/main/java/org/apache/accumulo/test/ChaoticLoadBalancer.java
+++ b/test/src/main/java/org/apache/accumulo/test/ChaoticLoadBalancer.java
@@ -18,7 +18,7 @@
*/
package org.apache.accumulo.test;
-import static org.apache.accumulo.harness.AccumuloITBase.random;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.util.ArrayList;
import java.util.HashMap;
@@ -85,7 +85,7 @@ public class ChaoticLoadBalancer implements TabletBalancer {
}
for (TabletId tabletId : params.unassignedTablets().keySet()) {
- int index = random.nextInt(tServerArray.size());
+ int index = RANDOM.get().nextInt(tServerArray.size());
TabletServerId dest = tServerArray.get(index);
params.addAssignment(tabletId, dest);
long remaining = toAssign.get(dest) - 1;
@@ -115,7 +115,7 @@ public class ChaoticLoadBalancer implements TabletBalancer {
}
problemReporter.clearProblemReportTimes();
- boolean moveMetadata = random.nextInt(4) == 0;
+ boolean moveMetadata = RANDOM.get().nextInt(4) == 0;
long totalTablets = 0;
for (Entry<TabletServerId,TServerStatus> e :
params.currentStatus().entrySet()) {
long tabletCount = 0;
@@ -138,7 +138,7 @@ public class ChaoticLoadBalancer implements TabletBalancer {
}
try {
for (TabletStatistics ts : getOnlineTabletsForTable(e.getKey(), id))
{
- int index = random.nextInt(underCapacityTServer.size());
+ int index = RANDOM.get().nextInt(underCapacityTServer.size());
TabletServerId dest = underCapacityTServer.get(index);
if (dest.equals(e.getKey())) {
continue;
diff --git
a/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java
b/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java
index f9fc3f7ebf..c67c185799 100644
--- a/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java
@@ -21,6 +21,7 @@ package org.apache.accumulo.test;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertSame;
@@ -892,7 +893,7 @@ public class ConditionalWriterIT extends
SharedMiniClusterBase {
byte[] e = new byte[0];
for (int i = 0; i < num; i++) {
- rows.add(FastFormat.toZeroPaddedString(abs(random.nextLong()), 16, 16,
e));
+ rows.add(FastFormat.toZeroPaddedString(abs(RANDOM.get().nextLong()),
16, 16, e));
}
for (int i = 0; i < num; i++) {
@@ -967,7 +968,7 @@ public class ConditionalWriterIT extends
SharedMiniClusterBase {
ColumnVisibility cvaob = new ColumnVisibility("A|B");
ColumnVisibility cvaab = new ColumnVisibility("A&B");
- switch (random.nextInt(3)) {
+ switch (RANDOM.get().nextInt(3)) {
case 1:
client.tableOperations().addSplits(tableName, nss("6"));
break;
@@ -1196,19 +1197,19 @@ public class ConditionalWriterIT extends
SharedMiniClusterBase {
new IsolatedScanner(client.createScanner(tableName,
Authorizations.EMPTY))) {
for (int i = 0; i < 20; i++) {
- int numRows = random.nextInt(10) + 1;
+ int numRows = RANDOM.get().nextInt(10) + 1;
ArrayList<ByteSequence> changes = new ArrayList<>(numRows);
ArrayList<ConditionalMutation> mutations = new ArrayList<>();
for (int j = 0; j < numRows; j++) {
- changes.add(rows.get(random.nextInt(rows.size())));
+ changes.add(rows.get(RANDOM.get().nextInt(rows.size())));
}
for (ByteSequence row : changes) {
scanner.setRange(new Range(row.toString()));
Stats stats = new Stats(scanner.iterator());
- stats.set(random.nextInt(10), random.nextInt(Integer.MAX_VALUE));
+ stats.set(RANDOM.get().nextInt(10),
RANDOM.get().nextInt(Integer.MAX_VALUE));
mutations.add(stats.toMutation());
}
@@ -1240,7 +1241,7 @@ public class ConditionalWriterIT extends
SharedMiniClusterBase {
NewTableConfiguration ntc = new NewTableConfiguration();
- switch (random.nextInt(3)) {
+ switch (RANDOM.get().nextInt(3)) {
case 1:
ntc = ntc.withSplits(nss("4"));
break;
@@ -1257,7 +1258,7 @@ public class ConditionalWriterIT extends
SharedMiniClusterBase {
for (int i = 0; i < 1000; i++) {
rows.add(new ArrayByteSequence(
- FastFormat.toZeroPaddedString(abs(random.nextLong()), 16, 16,
new byte[0])));
+ FastFormat.toZeroPaddedString(abs(RANDOM.get().nextLong()), 16,
16, new byte[0])));
}
ArrayList<ConditionalMutation> mutations = new ArrayList<>();
diff --git a/test/src/main/java/org/apache/accumulo/test/ImportExportIT.java
b/test/src/main/java/org/apache/accumulo/test/ImportExportIT.java
index 5e40ea3751..128056df46 100644
--- a/test/src/main/java/org/apache/accumulo/test/ImportExportIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/ImportExportIT.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.test;
import static org.apache.accumulo.core.Constants.IMPORT_MAPPINGS_FILE;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -152,7 +153,7 @@ public class ImportExportIT extends AccumuloClusterHarness {
while ((line = reader.readLine()) != null) {
Path p = new Path(line.substring(5));
assertTrue(fs.exists(p), "File doesn't exist: " + p);
- Path importDir = importDirAry[random.nextInt(importDirAry.length)];
+ Path importDir =
importDirAry[RANDOM.get().nextInt(importDirAry.length)];
Path dest = new Path(importDir, p.getName());
assertFalse(fs.exists(dest), "Did not expect " + dest + " to exist");
FileUtil.copy(fs, p, fs, dest, false, fs.getConf());
@@ -270,7 +271,7 @@ public class ImportExportIT extends AccumuloClusterHarness {
while ((line = reader.readLine()) != null) {
Path p = new Path(line.substring(5));
assertTrue(fs.exists(p), "File doesn't exist: " + p);
- Path importDir = importDirAry[random.nextInt(importDirAry.length)];
+ Path importDir =
importDirAry[RANDOM.get().nextInt(importDirAry.length)];
Path dest = new Path(importDir, p.getName());
assertFalse(fs.exists(dest), "Did not expect " + dest + " to exist");
FileUtil.copy(fs, p, fs, dest, false, fs.getConf());
diff --git a/test/src/main/java/org/apache/accumulo/test/MetaGetsReadersIT.java
b/test/src/main/java/org/apache/accumulo/test/MetaGetsReadersIT.java
index 34ff974bf5..a4449b0c98 100644
--- a/test/src/main/java/org/apache/accumulo/test/MetaGetsReadersIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/MetaGetsReadersIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -85,7 +86,7 @@ public class MetaGetsReadersIT extends ConfigurableMacBase {
try (BatchWriter bw = c.createBatchWriter(tableName)) {
for (int i = 0; i < 50000; i++) {
byte[] row = new byte[100];
- random.nextBytes(row);
+ RANDOM.get().nextBytes(row);
Mutation m = new Mutation(row);
m.put("", "", "");
bw.addMutation(m);
diff --git
a/test/src/main/java/org/apache/accumulo/test/MultiTableRecoveryIT.java
b/test/src/main/java/org/apache/accumulo/test/MultiTableRecoveryIT.java
index 70afc45eb5..0fdc25c8c2 100644
--- a/test/src/main/java/org/apache/accumulo/test/MultiTableRecoveryIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/MultiTableRecoveryIT.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.test;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -84,7 +85,7 @@ public class MultiTableRecoveryIT extends ConfigurableMacBase
{
System.out.println("writing");
for (i = 0; i < 1_000_000; i++) {
// make non-negative avoiding Math.abs, because that can still be
negative
- long randomRow = random.nextLong() & Long.MAX_VALUE;
+ long randomRow = RANDOM.get().nextLong() & Long.MAX_VALUE;
assertTrue(randomRow >= 0);
final int table = (int) (randomRow % N);
final Mutation m = new Mutation(Long.toHexString(randomRow));
diff --git
a/test/src/main/java/org/apache/accumulo/test/TableConfigurationUpdateIT.java
b/test/src/main/java/org/apache/accumulo/test/TableConfigurationUpdateIT.java
index 95738e8997..90f81ee33d 100644
---
a/test/src/main/java/org/apache/accumulo/test/TableConfigurationUpdateIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/TableConfigurationUpdateIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
@@ -124,7 +125,7 @@ public class TableConfigurationUpdateIT extends
AccumuloClusterHarness {
String t = Thread.currentThread().getName() + " ";
try {
- random.ints(iterations, 0, randMax).forEach(choice -> {
+ RANDOM.get().ints(iterations, 0, randMax).forEach(choice -> {
if (choice < 1) {
tableConf.invalidateCache();
} else {
diff --git a/test/src/main/java/org/apache/accumulo/test/TestBinaryRows.java
b/test/src/main/java/org/apache/accumulo/test/TestBinaryRows.java
index b074ce2ee8..7fea8091c6 100644
--- a/test/src/main/java/org/apache/accumulo/test/TestBinaryRows.java
+++ b/test/src/main/java/org/apache/accumulo/test/TestBinaryRows.java
@@ -19,7 +19,7 @@
package org.apache.accumulo.test;
import static java.nio.charset.StandardCharsets.UTF_8;
-import static org.apache.accumulo.harness.AccumuloITBase.random;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.util.Iterator;
import java.util.Map.Entry;
@@ -166,7 +166,7 @@ public class TestBinaryRows {
long t1 = System.currentTimeMillis();
for (int i = 0; i < numLookups; i++) {
- long row = ((random.nextLong() & 0x7fffffffffffffffL) % opts.num) +
opts.start;
+ long row = ((RANDOM.get().nextLong() & 0x7fffffffffffffffL) %
opts.num) + opts.start;
try (Scanner s = accumuloClient.createScanner(opts.tableName,
opts.auths)) {
Key startKey = new Key(encodeLong(row), CF_BYTES, CQ_BYTES, new
byte[0], Long.MAX_VALUE);
diff --git a/test/src/main/java/org/apache/accumulo/test/TotalQueuedIT.java
b/test/src/main/java/org/apache/accumulo/test/TotalQueuedIT.java
index 3bf605403f..65617b2d57 100644
--- a/test/src/main/java/org/apache/accumulo/test/TotalQueuedIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/TotalQueuedIT.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.test;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.time.Duration;
@@ -79,7 +80,7 @@ public class TotalQueuedIT extends ConfigurableMacBase {
long bytesSent = 0;
try (BatchWriter bw = c.createBatchWriter(tableName, cfg)) {
for (int i = 0; i < N; i++) {
- random.nextBytes(row);
+ RANDOM.get().nextBytes(row);
Mutation m = new Mutation(row);
m.put("", "", "");
bw.addMutation(m);
@@ -105,7 +106,7 @@ public class TotalQueuedIT extends ConfigurableMacBase {
now = System.currentTimeMillis();
bytesSent = 0;
for (int i = 0; i < N; i++) {
- random.nextBytes(row);
+ RANDOM.get().nextBytes(row);
Mutation m = new Mutation(row);
m.put("", "", "");
bw.addMutation(m);
diff --git
a/test/src/main/java/org/apache/accumulo/test/VerifySerialRecoveryIT.java
b/test/src/main/java/org/apache/accumulo/test/VerifySerialRecoveryIT.java
index a8e84ba9f4..79c6319139 100644
--- a/test/src/main/java/org/apache/accumulo/test/VerifySerialRecoveryIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/VerifySerialRecoveryIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -57,7 +58,7 @@ public class VerifySerialRecoveryIT extends
ConfigurableMacBase {
public static byte[] randomHex(int n) {
byte[] binary = new byte[n];
byte[] hex = new byte[n * 2];
- random.nextBytes(binary);
+ RANDOM.get().nextBytes(binary);
int count = 0;
for (byte x : binary) {
hex[count++] = HEXCHARS[(x >> 4) & 0xf];
diff --git
a/test/src/main/java/org/apache/accumulo/test/compaction/CompactionExecutorIT.java
b/test/src/main/java/org/apache/accumulo/test/compaction/CompactionExecutorIT.java
index 768005868e..535ec3511a 100644
---
a/test/src/main/java/org/apache/accumulo/test/compaction/CompactionExecutorIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/compaction/CompactionExecutorIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test.compaction;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -108,7 +109,7 @@ public class CompactionExecutorIT extends
SharedMiniClusterBase {
if
(Boolean.parseBoolean(params.getExecutionHints().getOrDefault("compact_all",
"false"))) {
return params
.createPlanBuilder().addJob((short) 1,
- executorIds.get(random.nextInt(executorIds.size())),
params.getCandidates())
+ executorIds.get(RANDOM.get().nextInt(executorIds.size())),
params.getCandidates())
.build();
}
@@ -121,7 +122,8 @@ public class CompactionExecutorIT extends
SharedMiniClusterBase {
params.getCandidates().stream().collect(Collectors.groupingBy(TestPlanner::getFirstChar))
.values().forEach(files -> {
for (int i = filesPerCompaction; i <= files.size(); i +=
filesPerCompaction) {
- planBuilder.addJob((short) 1,
executorIds.get(random.nextInt(executorIds.size())),
+ planBuilder.addJob((short) 1,
+ executorIds.get(RANDOM.get().nextInt(executorIds.size())),
files.subList(i - filesPerCompaction, i));
}
});
diff --git
a/test/src/main/java/org/apache/accumulo/test/compaction/CompactionRateLimitingIT.java
b/test/src/main/java/org/apache/accumulo/test/compaction/CompactionRateLimitingIT.java
index 630168eedd..0b4280f8d1 100644
---
a/test/src/main/java/org/apache/accumulo/test/compaction/CompactionRateLimitingIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/compaction/CompactionRateLimitingIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test.compaction;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.Map;
@@ -76,13 +77,13 @@ public class CompactionRateLimitingIT extends
ConfigurableMacBase {
try (BatchWriter bw = client.createBatchWriter(tableName)) {
while (bytesWritten < BYTES_TO_WRITE) {
byte[] rowKey = new byte[32];
- random.nextBytes(rowKey);
+ RANDOM.get().nextBytes(rowKey);
byte[] qual = new byte[32];
- random.nextBytes(qual);
+ RANDOM.get().nextBytes(qual);
byte[] value = new byte[1024];
- random.nextBytes(value);
+ RANDOM.get().nextBytes(value);
Mutation m = new Mutation(rowKey);
m.put(new byte[0], qual, value);
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/BatchScanSplitIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/BatchScanSplitIT.java
index aa1b57c90b..19b7eed3c2 100644
---
a/test/src/main/java/org/apache/accumulo/test/functional/BatchScanSplitIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/functional/BatchScanSplitIT.java
@@ -18,6 +18,8 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
@@ -85,7 +87,7 @@ public class BatchScanSplitIT extends AccumuloClusterHarness {
HashMap<Text,Value> expected = new HashMap<>();
ArrayList<Range> ranges = new ArrayList<>();
for (int i = 0; i < 100; i++) {
- int r = random.nextInt(numRows);
+ int r = RANDOM.get().nextInt(numRows);
Text row = new Text(String.format("%09x", r));
expected.put(row, new Value(String.format("%016x", numRows - r)));
ranges.add(new Range(row));
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/BatchWriterFlushIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/BatchWriterFlushIT.java
index 4e76a57b00..7347ab82df 100644
---
a/test/src/main/java/org/apache/accumulo/test/functional/BatchWriterFlushIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/functional/BatchWriterFlushIT.java
@@ -21,6 +21,7 @@ package org.apache.accumulo.test.functional;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
@@ -125,7 +126,7 @@ public class BatchWriterFlushIT extends
AccumuloClusterHarness {
// do a few random lookups into the data just flushed
for (int k = 0; k < 10; k++) {
- int rowToLookup = random.nextInt(NUM_TO_FLUSH) + i * NUM_TO_FLUSH;
+ int rowToLookup = RANDOM.get().nextInt(NUM_TO_FLUSH) + i *
NUM_TO_FLUSH;
scanner.setRange(new Range(new Text(String.format("r_%10d",
rowToLookup))));
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/BloomFilterIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/BloomFilterIT.java
index 0ccf7b311d..6c86907652 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/BloomFilterIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/BloomFilterIT.java
@@ -18,6 +18,8 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
@@ -187,7 +189,7 @@ public class BloomFilterIT extends AccumuloClusterHarness {
Text row = new Text("row"), cq = new Text("cq"), cf = new Text("cf");
for (int i = 0; i < num; ++i) {
- Long k = ((random.nextLong() & 0x7fffffffffffffffL) % (end - start)) +
start;
+ Long k = ((RANDOM.get().nextLong() & 0x7fffffffffffffffL) % (end -
start)) + start;
key.set(String.format("k_%010d", k));
Range range = null;
Key acuKey;
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/CacheTestWriter.java
b/test/src/main/java/org/apache/accumulo/test/functional/CacheTestWriter.java
index 776d14d9ce..7bf485f407 100644
---
a/test/src/main/java/org/apache/accumulo/test/functional/CacheTestWriter.java
+++
b/test/src/main/java/org/apache/accumulo/test/functional/CacheTestWriter.java
@@ -19,7 +19,7 @@
package org.apache.accumulo.test.functional;
import static java.nio.charset.StandardCharsets.UTF_8;
-import static org.apache.accumulo.harness.AccumuloITBase.random;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.File;
import java.io.FileInputStream;
@@ -69,15 +69,15 @@ public class CacheTestWriter {
Map<String,String> expectedData = null;
// change children in dir
- for (int u = 0; u < random.nextInt(4) + 1; u++) {
+ for (int u = 0; u < RANDOM.get().nextInt(4) + 1; u++) {
expectedData = new TreeMap<>();
- if (random.nextFloat() < .5) {
+ if (RANDOM.get().nextFloat() < .5) {
String child = UUID.randomUUID().toString();
zk.putPersistentData(rootDir + "/dir/" + child, new byte[0],
NodeExistsPolicy.SKIP);
children.add(child);
} else if (!children.isEmpty()) {
- int index = random.nextInt(children.size());
+ int index = RANDOM.get().nextInt(children.size());
String child = children.remove(index);
zk.recursiveDelete(rootDir + "/dir/" + child,
NodeMissingPolicy.FAIL);
}
@@ -88,15 +88,15 @@ public class CacheTestWriter {
// change values
for (int i = 0; i < numData; i++) {
- byte[] data = Long.toString(random.nextLong(), 16).getBytes(UTF_8);
+ byte[] data = Long.toString(RANDOM.get().nextLong(),
16).getBytes(UTF_8);
zk.putPersistentData(rootDir + "/data" + i, data,
NodeExistsPolicy.OVERWRITE);
expectedData.put(rootDir + "/data" + i, new String(data, UTF_8));
}
// test a data node that does not always exists...
- if (random.nextFloat() < .5) {
+ if (RANDOM.get().nextFloat() < .5) {
- byte[] data = Long.toString(random.nextLong(), 16).getBytes(UTF_8);
+ byte[] data = Long.toString(RANDOM.get().nextLong(),
16).getBytes(UTF_8);
if (dataSExists) {
zk.putPersistentData(rootDir + "/dataS", data,
NodeExistsPolicy.OVERWRITE);
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/CompactionIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/CompactionIT.java
index cf0806520b..18528c1391 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/CompactionIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/CompactionIT.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.test.functional;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -630,10 +631,10 @@ public class CompactionIT extends AccumuloClusterHarness {
private void writeRandomValue(AccumuloClient c, String tableName, int size)
throws Exception {
byte[] data1 = new byte[size];
- random.nextBytes(data1);
+ RANDOM.get().nextBytes(data1);
try (BatchWriter bw = c.createBatchWriter(tableName)) {
- Mutation m1 = new Mutation("r" + random.nextInt(909090));
+ Mutation m1 = new Mutation("r" + RANDOM.get().nextInt(909090));
m1.put("data", "bl0b", new Value(data1));
bw.addMutation(m1);
}
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/ConcurrentDeleteTableIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/ConcurrentDeleteTableIT.java
index f1ab650525..fab780f121 100644
---
a/test/src/main/java/org/apache/accumulo/test/functional/ConcurrentDeleteTableIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/functional/ConcurrentDeleteTableIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -267,7 +268,7 @@ public class ConcurrentDeleteTableIT extends
AccumuloClusterHarness {
throws TableNotFoundException, MutationsRejectedException {
try (BatchWriter bw = c.createBatchWriter(table)) {
for (int i = 0; i < 1_000; i++) {
- Mutation m = new Mutation(String.format("%09x",
random.nextInt(100_000_000)));
+ Mutation m = new Mutation(String.format("%09x",
RANDOM.get().nextInt(100_000_000)));
m.put("m", "order", "" + i);
bw.addMutation(m);
}
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/CreateInitialSplitsIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/CreateInitialSplitsIT.java
index e69a305f57..0b9b7e64c7 100644
---
a/test/src/main/java/org/apache/accumulo/test/functional/CreateInitialSplitsIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/functional/CreateInitialSplitsIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -210,7 +211,7 @@ public class CreateInitialSplitsIT extends
AccumuloClusterHarness {
SortedSet<Text> splits = new TreeSet<>();
for (int i = 0; i < numItems; i++) {
byte[] split = new byte[len];
- random.nextBytes(split);
+ RANDOM.get().nextBytes(split);
splits.add(encode(new Text(split), useB64));
}
return splits;
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/FateStarvationIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/FateStarvationIT.java
index 3f68a45d89..92a2d8251c 100644
---
a/test/src/main/java/org/apache/accumulo/test/functional/FateStarvationIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/functional/FateStarvationIT.java
@@ -18,6 +18,8 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
+
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
@@ -57,8 +59,8 @@ public class FateStarvationIT extends AccumuloClusterHarness {
List<Text> splits = new ArrayList<>(TestIngest.getSplitPoints(0, 100000,
67));
for (int i = 0; i < 100; i++) {
- int idx1 = random.nextInt(splits.size() - 1);
- int idx2 = random.nextInt(splits.size() - (idx1 + 1)) + idx1 + 1;
+ int idx1 = RANDOM.get().nextInt(splits.size() - 1);
+ int idx2 = RANDOM.get().nextInt(splits.size() - (idx1 + 1)) + idx1 + 1;
c.tableOperations().compact(tableName, splits.get(idx1),
splits.get(idx2), false, false);
}
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/ManyWriteAheadLogsIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/ManyWriteAheadLogsIT.java
index fe4b792170..12ff411247 100644
---
a/test/src/main/java/org/apache/accumulo/test/functional/ManyWriteAheadLogsIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/functional/ManyWriteAheadLogsIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.Base64;
@@ -151,7 +152,7 @@ public class ManyWriteAheadLogsIT extends
AccumuloClusterHarness {
for (int j = 0; j < 10; j++) {
int row = startRow + j;
Mutation m = new Mutation(String.format("%05x", row));
- random.nextBytes(val);
+ RANDOM.get().nextBytes(val);
m.put("f", "q", "v");
manyWALsWriter.addMutation(m);
@@ -161,7 +162,7 @@ public class ManyWriteAheadLogsIT extends
AccumuloClusterHarness {
// write a lot of data to second table to forces the logs to roll
for (int j = 0; j < 1000; j++) {
Mutation m = new Mutation(String.format("%03d", j));
- random.nextBytes(val);
+ RANDOM.get().nextBytes(val);
m.put("f", "q", Base64.getEncoder().encodeToString(val));
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/MonitorSslIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/MonitorSslIT.java
index a588cb12a4..5457b17612 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/MonitorSslIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/MonitorSslIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.File;
@@ -63,7 +64,7 @@ public class MonitorSslIT extends ConfigurableMacBase {
public static void initHttps() throws NoSuchAlgorithmException,
KeyManagementException {
SSLContext ctx = SSLContext.getInstance("TLSv1.2");
TrustManager[] tm = {new TestTrustManager()};
- ctx.init(new KeyManager[0], tm, random);
+ ctx.init(new KeyManager[0], tm, RANDOM.get());
SSLContext.setDefault(ctx);
HttpsURLConnection.setDefaultSSLSocketFactory(ctx.getSocketFactory());
HttpsURLConnection.setDefaultHostnameVerifier(new TestHostnameVerifier());
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/NativeMapIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/NativeMapIT.java
index 95fef1696c..cd1b8571b6 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/NativeMapIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/NativeMapIT.java
@@ -19,8 +19,8 @@
package org.apache.accumulo.test.functional;
import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.apache.accumulo.harness.AccumuloITBase.SUNNY_DAY;
-import static org.apache.accumulo.harness.AccumuloITBase.random;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -411,10 +411,10 @@ public class NativeMapIT {
// random length random field
private static byte[] getRandomBytes(int maxLen) {
- int len = random.nextInt(maxLen);
+ int len = RANDOM.get().nextInt(maxLen);
byte[] f = new byte[len];
- random.nextBytes(f);
+ RANDOM.get().nextBytes(f);
return f;
}
@@ -431,7 +431,7 @@ public class NativeMapIT {
for (int i = 0; i < 100000; i++) {
Key k = new Key(getRandomBytes(97), getRandomBytes(13),
getRandomBytes(31),
- getRandomBytes(11), (random.nextLong() & 0x7fffffffffffffffL),
false, false);
+ getRandomBytes(11), (RANDOM.get().nextLong() & 0x7fffffffffffffffL),
false, false);
Value v = new Value(getRandomBytes(511));
testData.add(new Pair<>(k, v));
@@ -475,7 +475,7 @@ public class NativeMapIT {
System.out.println("test 11 nm mem " + nm.getMemoryUsed());
// insert data again w/ different value
- Collections.shuffle(testData, random);
+ Collections.shuffle(testData, RANDOM.get());
// insert unsorted data
for (Pair<Key,Value> pair : testData) {
pair.getSecond().set(getRandomBytes(511));
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/ReadWriteIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/ReadWriteIT.java
index a88abe840c..48d6e6fa31 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/ReadWriteIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/ReadWriteIT.java
@@ -18,6 +18,7 @@
*/
package org.apache.accumulo.test.functional;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static
org.apache.accumulo.harness.AccumuloITBase.STANDALONE_CAPABLE_CLUSTER;
import static org.apache.accumulo.harness.AccumuloITBase.SUNNY_DAY;
import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -154,7 +155,7 @@ public class ReadWriteIT extends AccumuloClusterHarness {
"Using HTTPS since monitor ssl keystore configuration was
observed in accumulo configuration");
SSLContext ctx = SSLContext.getInstance("TLSv1.2");
TrustManager[] tm = {new TestTrustManager()};
- ctx.init(new KeyManager[0], tm, random);
+ ctx.init(new KeyManager[0], tm, RANDOM.get());
SSLContext.setDefault(ctx);
HttpsURLConnection.setDefaultSSLSocketFactory(ctx.getSocketFactory());
HttpsURLConnection.setDefaultHostnameVerifier(new
TestHostnameVerifier());
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/ScanIdIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/ScanIdIT.java
index bd104c4160..5c4cd01d4e 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/ScanIdIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/ScanIdIT.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.test.functional;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -364,7 +365,7 @@ public class ScanIdIT extends AccumuloClusterHarness {
for (int i = 0; i < NUM_DATA_ROWS; i++) {
- Text rowId = new Text(String.format("%d", ((random.nextInt(10) * 100)
+ i)));
+ Text rowId = new Text(String.format("%d", ((RANDOM.get().nextInt(10) *
100) + i)));
Mutation m = new Mutation(rowId);
m.put("fam1", "count", Integer.toString(i));
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/SummaryIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/SummaryIT.java
index 0ca920e465..d3fab0a6ab 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/SummaryIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/SummaryIT.java
@@ -26,6 +26,7 @@ import static
org.apache.accumulo.core.client.summary.CountingSummarizer.EMITTED
import static
org.apache.accumulo.core.client.summary.CountingSummarizer.SEEN_STAT;
import static
org.apache.accumulo.core.client.summary.CountingSummarizer.TOO_LONG_STAT;
import static
org.apache.accumulo.core.client.summary.CountingSummarizer.TOO_MANY_STAT;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.apache.accumulo.test.functional.BasicSummarizer.DELETES_STAT;
import static
org.apache.accumulo.test.functional.BasicSummarizer.MAX_TIMESTAMP_STAT;
import static
org.apache.accumulo.test.functional.BasicSummarizer.MIN_TIMESTAMP_STAT;
@@ -831,8 +832,8 @@ public class SummaryIT extends SharedMiniClusterBase {
// this loop should cause a varying number of files and compactions
try (BatchWriter bw = c.createBatchWriter(table)) {
for (int i = 0; i < 10000; i++) {
- String row = String.format("%06d", random.nextInt(1_000_000));
- String fam = String.format("%03d", random.nextInt(100));
+ String row = String.format("%06d",
RANDOM.get().nextInt(1_000_000));
+ String fam = String.format("%03d", RANDOM.get().nextInt(100));
String qual = String.format("%06d", q++);
write(bw, row, fam, qual, "val");
famCounts.merge(fam, 1L, Long::sum);
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/WALSunnyDayIT.java
b/test/src/main/java/org/apache/accumulo/test/functional/WALSunnyDayIT.java
index c245e340bb..eb1ff2134a 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/WALSunnyDayIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/WALSunnyDayIT.java
@@ -25,6 +25,7 @@ import static
org.apache.accumulo.core.conf.Property.INSTANCE_ZK_TIMEOUT;
import static org.apache.accumulo.core.conf.Property.TSERV_WAL_MAX_SIZE;
import static org.apache.accumulo.core.conf.Property.TSERV_WAL_REPLICATION;
import static org.apache.accumulo.core.security.Authorizations.EMPTY;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.apache.accumulo.harness.AccumuloITBase.SUNNY_DAY;
import static org.apache.accumulo.minicluster.ServerType.GARBAGE_COLLECTOR;
import static org.apache.accumulo.minicluster.ServerType.TABLET_SERVER;
@@ -180,11 +181,11 @@ public class WALSunnyDayIT extends ConfigurableMacBase {
byte[] value = new byte[10];
for (int r = 0; r < row; r++) {
- random.nextBytes(rowData);
+ RANDOM.get().nextBytes(rowData);
Mutation m = new Mutation(rowData);
for (int c = 0; c < col; c++) {
- random.nextBytes(cq);
- random.nextBytes(value);
+ RANDOM.get().nextBytes(cq);
+ RANDOM.get().nextBytes(value);
m.put(CF, new Text(cq), new Value(value));
}
bw.addMutation(m);
diff --git
a/test/src/main/java/org/apache/accumulo/test/functional/ZombieTServer.java
b/test/src/main/java/org/apache/accumulo/test/functional/ZombieTServer.java
index 75c2125cc6..2a8d023685 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/ZombieTServer.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/ZombieTServer.java
@@ -19,7 +19,7 @@
package org.apache.accumulo.test.functional;
import static java.util.concurrent.TimeUnit.DAYS;
-import static org.apache.accumulo.harness.AccumuloITBase.random;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.util.HashMap;
import java.util.UUID;
@@ -106,7 +106,7 @@ public class ZombieTServer {
private static final Logger log =
LoggerFactory.getLogger(ZombieTServer.class);
public static void main(String[] args) throws Exception {
- int port = random.nextInt(30000) + 2000;
+ int port = RANDOM.get().nextInt(30000) + 2000;
var context = new ServerContext(SiteConfiguration.auto());
final ClientServiceHandler csh =
new ClientServiceHandler(context, new TransactionWatcher(context));
diff --git
a/test/src/main/java/org/apache/accumulo/test/manager/SuspendedTabletsIT.java
b/test/src/main/java/org/apache/accumulo/test/manager/SuspendedTabletsIT.java
index e93b2ccaf2..9dffee6be5 100644
---
a/test/src/main/java/org/apache/accumulo/test/manager/SuspendedTabletsIT.java
+++
b/test/src/main/java/org/apache/accumulo/test/manager/SuspendedTabletsIT.java
@@ -19,6 +19,7 @@
package org.apache.accumulo.test.manager;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
@@ -158,7 +159,7 @@ public class SuspendedTabletsIT extends ConfigurableMacBase
{
// kill tablet servers that are not hosting the metadata table.
List<ProcessReference> procs =
getCluster().getProcesses().get(ServerType.TABLET_SERVER)
.stream().filter(p ->
!metadataTserverProcess.equals(p)).collect(Collectors.toList());
- Collections.shuffle(procs, random);
+ Collections.shuffle(procs, RANDOM.get());
assertEquals(TSERVERS - 1, procs.size(), "Not enough tservers exist");
assertTrue(procs.size() >= count, "Attempting to kill more tservers (" +
count
+ ") than exist in the cluster (" + procs.size() + ")");
@@ -202,7 +203,7 @@ public class SuspendedTabletsIT extends ConfigurableMacBase
{
"Expecting " + (TSERVERS - 1) + " tServers in shutdown-list");
List<TServerInstance> tserversList = new ArrayList<>(tserverSet);
- Collections.shuffle(tserversList, random);
+ Collections.shuffle(tserversList, RANDOM.get());
for (int i1 = 0; i1 < count; ++i1) {
final String tserverName = tserversList.get(i1).getHostPortSession();
diff --git
a/test/src/main/java/org/apache/accumulo/test/performance/scan/CollectTabletStats.java
b/test/src/main/java/org/apache/accumulo/test/performance/scan/CollectTabletStats.java
index d2516598ff..4655b06ce9 100644
---
a/test/src/main/java/org/apache/accumulo/test/performance/scan/CollectTabletStats.java
+++
b/test/src/main/java/org/apache/accumulo/test/performance/scan/CollectTabletStats.java
@@ -18,7 +18,7 @@
*/
package org.apache.accumulo.test.performance.scan;
-import static org.apache.accumulo.harness.AccumuloITBase.random;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import java.io.IOException;
import java.net.InetAddress;
@@ -382,7 +382,7 @@ public class CollectTabletStats {
List<KeyExtent> tabletsToTest = new ArrayList<>();
for (int i = 0; i < numThreads; i++) {
- int rindex = random.nextInt(candidates.size());
+ int rindex = RANDOM.get().nextInt(candidates.size());
tabletsToTest.add(candidates.get(rindex));
Collections.swap(candidates, rindex, candidates.size() - 1);
candidates = candidates.subList(0, candidates.size() - 1);
diff --git
a/test/src/main/java/org/apache/accumulo/test/shell/ShellCreateTableIT.java
b/test/src/main/java/org/apache/accumulo/test/shell/ShellCreateTableIT.java
index 0c31d0fa42..cd01a3ea59 100644
--- a/test/src/main/java/org/apache/accumulo/test/shell/ShellCreateTableIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/shell/ShellCreateTableIT.java
@@ -21,6 +21,7 @@ package org.apache.accumulo.test.shell;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.Files.newBufferedReader;
import static java.util.Objects.requireNonNull;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.apache.accumulo.harness.AccumuloITBase.MINI_CLUSTER_ONLY;
import static org.apache.accumulo.harness.AccumuloITBase.SUNNY_DAY;
import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -694,7 +695,7 @@ public class ShellCreateTableIT extends
SharedMiniClusterBase {
Set<Text> splits = new HashSet<>();
for (int i = 0; i < numItems; i++) {
byte[] split = new byte[len];
- random.nextBytes(split);
+ RANDOM.get().nextBytes(split);
splits.add(new Text(split));
}
return splits;
diff --git
a/test/src/main/java/org/apache/accumulo/test/shell/ShellServerIT.java
b/test/src/main/java/org/apache/accumulo/test/shell/ShellServerIT.java
index a7a7953ec6..f3177eab2e 100644
--- a/test/src/main/java/org/apache/accumulo/test/shell/ShellServerIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/shell/ShellServerIT.java
@@ -20,6 +20,7 @@ package org.apache.accumulo.test.shell;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.apache.accumulo.core.util.LazySingletons.RANDOM;
import static org.apache.accumulo.harness.AccumuloITBase.MINI_CLUSTER_ONLY;
import static org.apache.accumulo.harness.AccumuloITBase.SUNNY_DAY;
import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -793,7 +794,7 @@ public class ShellServerIT extends SharedMiniClusterBase {
// create two large files
StringBuilder sb = new StringBuilder("insert b v q ");
- random.ints(10_000, 0, 26).forEach(i -> sb.append('a' + i));
+ RANDOM.get().ints(10_000, 0, 26).forEach(i -> sb.append('a' + i));
ts.exec(sb.toString());
ts.exec("flush -w");
