hangc0276 commented on code in PR #3637:
URL: https://github.com/apache/bookkeeper/pull/3637#discussion_r1106590835
##########
bookkeeper-server/src/main/java/org/apache/bookkeeper/replication/Auditor.java:
##########
@@ -144,140 +78,18 @@ public class Auditor implements AutoCloseable {
private LedgerManager ledgerManager;
private LedgerUnderreplicationManager ledgerUnderreplicationManager;
private final ScheduledExecutorService executor;
- private final ExecutorService ledgerCheckerExecutor;
private List<String> knownBookies = new ArrayList<String>();
private final String bookieIdentifier;
- private volatile Future<?> auditTask;
+ protected volatile Future<?> auditTask;
private Set<String> bookiesToBeAudited = Sets.newHashSet();
Review Comment:
Make it `final`?
##########
bookkeeper-server/src/main/java/org/apache/bookkeeper/replication/AuditorCheckAllLedgersTask.java:
##########
@@ -0,0 +1,286 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.bookkeeper.replication;
+
+import com.google.common.base.Stopwatch;
+import com.google.common.collect.Sets;
+import java.io.IOException;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+import org.apache.bookkeeper.client.BKException;
+import org.apache.bookkeeper.client.BookKeeper;
+import org.apache.bookkeeper.client.BookKeeperAdmin;
+import org.apache.bookkeeper.client.LedgerChecker;
+import org.apache.bookkeeper.client.LedgerFragment;
+import org.apache.bookkeeper.client.LedgerHandle;
+import org.apache.bookkeeper.common.concurrent.FutureUtils;
+import org.apache.bookkeeper.conf.ServerConfiguration;
+import org.apache.bookkeeper.meta.LedgerManager;
+import org.apache.bookkeeper.meta.LedgerUnderreplicationManager;
+import org.apache.bookkeeper.net.BookieId;
+import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks;
+import
org.apache.bookkeeper.replication.ReplicationException.UnavailableException;
+import org.apache.zookeeper.AsyncCallback;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class AuditorCheckAllLedgersTask extends AuditorTask {
+ private static final Logger LOG =
LoggerFactory.getLogger(AuditorBookieCheckTask.class);
+
+ private final Semaphore openLedgerNoRecoverySemaphore;
+ private final int openLedgerNoRecoverySemaphoreWaitTimeoutMSec;
+ private final ExecutorService ledgerCheckerExecutor;
+
+ AuditorCheckAllLedgersTask(ServerConfiguration conf,
+ AuditorStats auditorStats,
+ BookKeeperAdmin admin,
+ LedgerManager ledgerManager,
+ LedgerUnderreplicationManager
ledgerUnderreplicationManager,
+ ShutdownTaskHandler shutdownTaskHandler)
+ throws UnavailableException {
+ super(conf, auditorStats, admin, ledgerManager,
+ ledgerUnderreplicationManager, shutdownTaskHandler);
+
+ if (conf.getAuditorMaxNumberOfConcurrentOpenLedgerOperations() <= 0) {
+ LOG.error("auditorMaxNumberOfConcurrentOpenLedgerOperations should
be greater than 0");
+ throw new
UnavailableException("auditorMaxNumberOfConcurrentOpenLedgerOperations should
be greater than 0");
+ }
+ this.openLedgerNoRecoverySemaphore =
+ new
Semaphore(conf.getAuditorMaxNumberOfConcurrentOpenLedgerOperations());
+
+ if (conf.getAuditorAcquireConcurrentOpenLedgerOperationsTimeoutMSec()
< 0) {
+ LOG.error("auditorAcquireConcurrentOpenLedgerOperationsTimeoutMSec
should be greater than or equal to 0");
+ throw new
UnavailableException("auditorAcquireConcurrentOpenLedgerOperationsTimeoutMSec "
+ + "should be greater than or equal to 0");
+ }
+ this.openLedgerNoRecoverySemaphoreWaitTimeoutMSec =
+
conf.getAuditorAcquireConcurrentOpenLedgerOperationsTimeoutMSec();
+
+ this.ledgerCheckerExecutor = Executors.newSingleThreadExecutor(new
ThreadFactory() {
+ @Override
+ public Thread newThread(Runnable r) {
+ Thread t = new Thread(r,
"AuditorCheckAllLedgers-LedgerChecker");
+ t.setDaemon(true);
+ return t;
+ }
+ });
+ }
+
+ @Override
+ protected void runTask() {
+ Stopwatch stopwatch = Stopwatch.createStarted();
+ boolean checkSuccess = false;
+ try {
+ if (!isLedgerReplicationEnabled()) {
+ LOG.info("Ledger replication disabled, skipping
checkAllLedgers");
+ return;
+ }
+
+ LOG.info("Starting checkAllLedgers");
+ checkAllLedgers();
+ long checkAllLedgersDuration =
stopwatch.stop().elapsed(TimeUnit.MILLISECONDS);
+ LOG.info("Completed checkAllLedgers in {} milliSeconds",
checkAllLedgersDuration);
+ auditorStats.getCheckAllLedgersTime()
+ .registerSuccessfulEvent(checkAllLedgersDuration,
TimeUnit.MILLISECONDS);
+ checkSuccess = true;
+ } catch (InterruptedException ie) {
+ Thread.currentThread().interrupt();
+ LOG.error("Interrupted while running periodic check", ie);
+ } catch (BKException bke) {
+ LOG.error("Exception running periodic check", bke);
+ } catch (IOException ioe) {
+ LOG.error("I/O exception running periodic check", ioe);
+ } catch (ReplicationException.NonRecoverableReplicationException nre) {
+ LOG.error("Non Recoverable Exception while reading from ZK", nre);
+ submitShutdownTask();
+ submitShutdownTask();
Review Comment:
remove the duplicated `submitShutdownTask()`?
##########
bookkeeper-server/src/main/java/org/apache/bookkeeper/replication/AuditorStats.java:
##########
@@ -0,0 +1,294 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.bookkeeper.replication;
+
+import static org.apache.bookkeeper.replication.ReplicationStats.AUDITOR_SCOPE;
+import static
org.apache.bookkeeper.replication.ReplicationStats.AUDIT_BOOKIES_TIME;
+import static
org.apache.bookkeeper.replication.ReplicationStats.BOOKIE_TO_LEDGERS_MAP_CREATION_TIME;
+import static
org.apache.bookkeeper.replication.ReplicationStats.CHECK_ALL_LEDGERS_TIME;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_BOOKIES_PER_LEDGER;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_BOOKIE_AUDITS_DELAYED;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_DELAYED_BOOKIE_AUDITS_DELAYES_CANCELLED;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_FRAGMENTS_PER_LEDGER;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_LEDGERS_CHECKED;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_LEDGERS_HAVING_LESS_THAN_AQ_REPLICAS_OF_AN_ENTRY;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_LEDGERS_HAVING_LESS_THAN_WQ_REPLICAS_OF_AN_ENTRY;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_LEDGERS_HAVING_NO_REPLICA_OF_AN_ENTRY;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_LEDGERS_NOT_ADHERING_TO_PLACEMENT_POLICY;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_LEDGERS_SOFTLY_ADHERING_TO_PLACEMENT_POLICY;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_REPLICATED_LEDGERS;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_UNDERREPLICATED_LEDGERS_ELAPSED_RECOVERY_GRACE_PERIOD;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_UNDER_REPLICATED_LEDGERS;
+import static
org.apache.bookkeeper.replication.ReplicationStats.NUM_UNDER_REPLICATED_LEDGERS_GUAGE;
+import static
org.apache.bookkeeper.replication.ReplicationStats.PLACEMENT_POLICY_CHECK_TIME;
+import static
org.apache.bookkeeper.replication.ReplicationStats.REPLICAS_CHECK_TIME;
+import static
org.apache.bookkeeper.replication.ReplicationStats.UNDER_REPLICATED_LEDGERS_TOTAL_SIZE;
+import static
org.apache.bookkeeper.replication.ReplicationStats.URL_PUBLISH_TIME_FOR_LOST_BOOKIE;
+
+import java.util.concurrent.atomic.AtomicInteger;
+import lombok.Getter;
+import org.apache.bookkeeper.stats.Counter;
+import org.apache.bookkeeper.stats.Gauge;
+import org.apache.bookkeeper.stats.OpStatsLogger;
+import org.apache.bookkeeper.stats.StatsLogger;
+import org.apache.bookkeeper.stats.annotations.StatsDoc;
+
+@StatsDoc(
+ name = AUDITOR_SCOPE,
+ help = "Auditor related stats"
+)
+@Getter
+public class AuditorStats {
+
+ private final AtomicInteger ledgersNotAdheringToPlacementPolicyGuageValue;
+ private final AtomicInteger
ledgersSoftlyAdheringToPlacementPolicyGuageValue;
+ private final AtomicInteger
numOfURLedgersElapsedRecoveryGracePeriodGuageValue;
+ private final AtomicInteger numLedgersHavingNoReplicaOfAnEntryGuageValue;
+ private final AtomicInteger
numLedgersHavingLessThanAQReplicasOfAnEntryGuageValue;
+ private final AtomicInteger
numLedgersHavingLessThanWQReplicasOfAnEntryGuageValue;
+ private final AtomicInteger underReplicatedLedgersGuageValue;
+ private final StatsLogger statsLogger;
Review Comment:
We can remove this field due to it was never used outside the constructor
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