Author: fpj
Date: Tue Jul 24 17:02:38 2012
New Revision: 1365171
URL: http://svn.apache.org/viewvc?rev=1365171&view=rev
Log:
BOOKKEEPER-327: System.currentTimeMillis usage in BookKeeper (uma via fpj)
Added:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/TestBKStats.java
Modified:
zookeeper/bookkeeper/branches/branch-4.1/CHANGES.txt
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Bookie.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Journal.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeper.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BKStats.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookieServer.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/PerChannelBookieClient.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/ServerStats.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/LocalBookKeeper.java
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/MathUtils.java
Modified: zookeeper/bookkeeper/branches/branch-4.1/CHANGES.txt
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/CHANGES.txt?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
--- zookeeper/bookkeeper/branches/branch-4.1/CHANGES.txt (original)
+++ zookeeper/bookkeeper/branches/branch-4.1/CHANGES.txt Tue Jul 24 17:02:38
2012
@@ -152,6 +152,8 @@ Release 4.1.0 - 2012-06-07
BOOKKEEPER-288: NOTICE files don't have the correct year (ivank via
sijie)
+ BOOKKEEPER-327: System.currentTimeMillis usage in BookKeeper (uma via
fpj)
+
hedwig-client/
BOOKKEEPER-217: NPE in hedwig client when enable DEBUG (sijie via
ivank)
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Bookie.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Bookie.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Bookie.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Bookie.java
Tue Jul 24 17:02:38 2012
@@ -1,4 +1,4 @@
-/*
+/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -46,6 +46,7 @@ import org.apache.bookkeeper.conf.Server
import org.apache.bookkeeper.jmx.BKMBeanInfo;
import org.apache.bookkeeper.jmx.BKMBeanRegistry;
import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback;
+import org.apache.bookkeeper.util.MathUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.zookeeper.KeeperException;
@@ -792,7 +793,7 @@ public class Bookie extends Thread {
Bookie b = new Bookie(new ServerConfiguration());
b.start();
CounterCallback cb = new CounterCallback();
- long start = System.currentTimeMillis();
+ long start = MathUtils.now();
for (int i = 0; i < 100000; i++) {
ByteBuffer buff = ByteBuffer.allocate(1024);
buff.putLong(1);
@@ -803,7 +804,7 @@ public class Bookie extends Thread {
b.addEntry(buff, cb, null, new byte[0]);
}
cb.waitZero();
- long end = System.currentTimeMillis();
+ long end = MathUtils.now();
System.out.println("Took " + (end-start) + "ms");
}
}
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/GarbageCollectorThread.java
Tue Jul 24 17:02:38 2012
@@ -1,4 +1,4 @@
-/*
+/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -23,21 +23,21 @@ package org.apache.bookkeeper.bookie;
import java.io.IOException;
import java.nio.ByteBuffer;
-import java.util.Comparator;
import java.util.ArrayList;
import java.util.Collections;
-import java.util.Map;
+import java.util.Comparator;
import java.util.List;
+import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
import org.apache.bookkeeper.bookie.EntryLogger.EntryLogScanner;
import org.apache.bookkeeper.conf.ServerConfiguration;
import org.apache.bookkeeper.meta.LedgerManager;
import org.apache.zookeeper.ZooKeeper;
+import org.apache.bookkeeper.util.MathUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* This is the garbage collector thread that runs in the background to
@@ -172,7 +172,7 @@ public class GarbageCollectorThread exte
LOG.info("Major Compaction : enabled=" + enableMajorCompaction + ",
threshold="
+ majorCompactionThreshold + ", interval=" +
majorCompactionInterval);
- lastMinorCompactionTime = lastMajorCompactionTime =
System.currentTimeMillis();
+ lastMinorCompactionTime = lastMajorCompactionTime = MathUtils.now();
}
@Override
@@ -197,13 +197,13 @@ public class GarbageCollectorThread exte
// gc entry logs
doGcEntryLogs();
- long curTime = System.currentTimeMillis();
+ long curTime = MathUtils.now();
if (enableMajorCompaction &&
curTime - lastMajorCompactionTime > majorCompactionInterval) {
// enter major compaction
LOG.info("Enter major compaction");
doCompactEntryLogs(majorCompactionThreshold);
- lastMajorCompactionTime = System.currentTimeMillis();
+ lastMajorCompactionTime = MathUtils.now();
// also move minor compaction time
lastMinorCompactionTime = lastMajorCompactionTime;
continue;
@@ -214,7 +214,7 @@ public class GarbageCollectorThread exte
// enter minor compaction
LOG.info("Enter minor compaction");
doCompactEntryLogs(minorCompactionThreshold);
- lastMinorCompactionTime = System.currentTimeMillis();
+ lastMinorCompactionTime = MathUtils.now();
}
}
}
@@ -284,7 +284,7 @@ public class GarbageCollectorThread exte
}
}
};
- List<EntryLogMetadata> logsToCompact = new ArrayList();
+ List<EntryLogMetadata> logsToCompact = new
ArrayList<EntryLogMetadata>();
logsToCompact.addAll(entryLogMetaMap.values());
Collections.sort(logsToCompact, sizeComparator);
for (EntryLogMetadata meta : logsToCompact) {
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Journal.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Journal.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Journal.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/Journal.java
Tue Jul 24 17:02:38 2012
@@ -1,4 +1,4 @@
-/*
+/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -35,6 +35,7 @@ import java.util.concurrent.LinkedBlocki
import org.apache.bookkeeper.conf.ServerConfiguration;
import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback;
import org.apache.bookkeeper.util.IOUtils;
+import org.apache.bookkeeper.util.MathUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -480,7 +481,7 @@ class Journal extends Thread {
while (true) {
// new journal file to write
if (null == logFile) {
- logId = System.currentTimeMillis();
+ logId = MathUtils.now();
logFile = new JournalChannel(journalDirectory, logId);
bc = logFile.getBufferedChannel();
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeper.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeper.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeper.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeper.java
Tue Jul 24 17:02:38 2012
@@ -1,6 +1,4 @@
-package org.apache.bookkeeper.client;
-
-/*
+/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -20,31 +18,30 @@ package org.apache.bookkeeper.client;
* under the License.
*
*/
+package org.apache.bookkeeper.client;
import java.io.IOException;
-import java.util.concurrent.Executors;
-
import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
-import org.apache.bookkeeper.meta.LedgerManager;
-import org.apache.bookkeeper.meta.LedgerManagerFactory;
-import org.apache.bookkeeper.conf.ClientConfiguration;
import org.apache.bookkeeper.client.AsyncCallback.CreateCallback;
import org.apache.bookkeeper.client.AsyncCallback.DeleteCallback;
import org.apache.bookkeeper.client.AsyncCallback.OpenCallback;
import org.apache.bookkeeper.client.BKException.Code;
+import org.apache.bookkeeper.conf.ClientConfiguration;
+import org.apache.bookkeeper.meta.LedgerManager;
+import org.apache.bookkeeper.meta.LedgerManagerFactory;
import org.apache.bookkeeper.proto.BookieClient;
import org.apache.bookkeeper.util.OrderedSafeExecutor;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooKeeper;
import org.jboss.netty.channel.socket.ClientSocketChannelFactory;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
-import org.apache.bookkeeper.util.SafeRunnable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* BookKeeper client. We assume there is one single writer to a ledger at any
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BKStats.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BKStats.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BKStats.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BKStats.java
Tue Jul 24 17:02:38 2012
@@ -1,4 +1,4 @@
-/*
+/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -23,10 +23,14 @@ package org.apache.bookkeeper.proto;
import java.beans.ConstructorProperties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
/**
* Bookie Server Stats
*/
public class BKStats {
+ private static final Logger LOG = LoggerFactory.getLogger(BKStats.class);
private static BKStats instance = new BKStats();
public static BKStats getInstance() {
@@ -105,6 +109,14 @@ public class BKStats {
* Update Latency
*/
synchronized public void updateLatency(long latency) {
+ if (latency < 0) {
+ // less than 0ms . Ideally this should not happen.
+ // We have seen this latency negative in some cases due to the
+ // behaviors of JVM. Ignoring the statistics updation for such
+ // cases.
+ LOG.warn("Latency time coming negative");
+ return;
+ }
totalLatency += latency;
++numSuccessOps;
if (latency < minLatency) {
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookieServer.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookieServer.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookieServer.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookieServer.java
Tue Jul 24 17:02:38 2012
@@ -1,6 +1,4 @@
-package org.apache.bookkeeper.proto;
-
-/*
+/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -20,6 +18,7 @@ package org.apache.bookkeeper.proto;
* under the License.
*
*/
+package org.apache.bookkeeper.proto;
import java.io.File;
import java.io.IOException;
@@ -37,6 +36,8 @@ import org.apache.bookkeeper.bookie.Exit
import org.apache.bookkeeper.conf.ServerConfiguration;
import org.apache.bookkeeper.jmx.BKMBeanRegistry;
import org.apache.bookkeeper.proto.NIOServerFactory.Cnxn;
+import org.apache.bookkeeper.util.MathUtils;
+
import static org.apache.bookkeeper.proto.BookieProtocol.PacketHeader;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.cli.BasicParser;
@@ -322,7 +323,7 @@ public class BookieServer implements NIO
int statType = BKStats.STATS_UNKNOWN;
long startTime = 0;
if (isStatsEnabled) {
- startTime = System.currentTimeMillis();
+ startTime = MathUtils.now();
}
// packet format is different between ADDENTRY and READENTRY
@@ -442,7 +443,7 @@ public class BookieServer implements NIO
if (success) {
// for add operations, we compute latency in writeComplete
callbacks.
if (statType != BKStats.STATS_ADD) {
- long elapsedTime = System.currentTimeMillis() - startTime;
+ long elapsedTime = MathUtils.now() - startTime;
bkStats.getOpStats(statType).updateLatency(elapsedTime);
}
} else {
@@ -482,7 +483,7 @@ public class BookieServer implements NIO
// compute the latency
if (0 == rc) {
// for add operations, we compute latency in writeComplete
callbacks.
- long elapsedTime = System.currentTimeMillis() - startTime;
+ long elapsedTime = MathUtils.now() - startTime;
bkStats.getOpStats(BKStats.STATS_ADD).updateLatency(elapsedTime);
} else {
bkStats.getOpStats(BKStats.STATS_ADD).incrementFailedOps();
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/PerChannelBookieClient.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/PerChannelBookieClient.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/PerChannelBookieClient.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/PerChannelBookieClient.java
Tue Jul 24 17:02:38 2012
@@ -1,5 +1,3 @@
-package org.apache.bookkeeper.proto;
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -17,6 +15,7 @@ package org.apache.bookkeeper.proto;
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+package org.apache.bookkeeper.proto;
import java.io.IOException;
import java.net.InetSocketAddress;
@@ -26,23 +25,19 @@ import java.util.concurrent.ConcurrentHa
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicLong;
-import org.apache.bookkeeper.conf.ClientConfiguration;
import org.apache.bookkeeper.client.BKException;
+import org.apache.bookkeeper.conf.ClientConfiguration;
+import org.apache.bookkeeper.proto.BookieProtocol.PacketHeader;
import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.GenericCallback;
-import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback;
import
org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryCallback;
-import static org.apache.bookkeeper.proto.BookieProtocol.PacketHeader;
+import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback;
+import org.apache.bookkeeper.util.MathUtils;
import org.apache.bookkeeper.util.OrderedSafeExecutor;
import org.apache.bookkeeper.util.SafeRunnable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.jboss.netty.util.Timer;
-import org.jboss.netty.util.HashedWheelTimer;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelFutureListener;
import org.jboss.netty.channel.ChannelHandlerContext;
@@ -58,8 +53,12 @@ import org.jboss.netty.channel.socket.Cl
import org.jboss.netty.handler.codec.frame.CorruptedFrameException;
import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
import org.jboss.netty.handler.codec.frame.TooLongFrameException;
-import org.jboss.netty.handler.timeout.ReadTimeoutHandler;
import org.jboss.netty.handler.timeout.ReadTimeoutException;
+import org.jboss.netty.handler.timeout.ReadTimeoutHandler;
+import org.jboss.netty.util.HashedWheelTimer;
+import org.jboss.netty.util.Timer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* This class manages all details of connection to a particular bookie. It also
@@ -503,7 +502,7 @@ public class PerChannelBookieClient exte
}
final ChannelBuffer buffer = (ChannelBuffer) e.getMessage();
- final int type, rc;
+ final int rc;
final long ledgerId, entryId;
final PacketHeader header;
@@ -665,7 +664,7 @@ public class PerChannelBookieClient exte
CompletionKey(long ledgerId, long entryId) {
this.ledgerId = ledgerId;
this.entryId = entryId;
- this.timeoutAt = System.currentTimeMillis() +
(conf.getReadTimeout()*1000);
+ this.timeoutAt = MathUtils.now() + (conf.getReadTimeout()*1000);
}
@Override
@@ -687,7 +686,7 @@ public class PerChannelBookieClient exte
}
public boolean shouldTimeout() {
- return this.timeoutAt <= System.currentTimeMillis();
+ return this.timeoutAt <= MathUtils.now();
}
}
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/ServerStats.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/ServerStats.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/ServerStats.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/ServerStats.java
Tue Jul 24 17:02:38 2012
@@ -1,4 +1,4 @@
-/*
+/**
* Licensed 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
@@ -14,6 +14,8 @@
package org.apache.bookkeeper.proto;
+import org.apache.bookkeeper.util.MathUtils;
+
public class ServerStats {
private static ServerStats instance = new ServerStats();
private long packetsSent;
@@ -113,7 +115,7 @@ public class ServerStats {
}
synchronized void updateLatency(long requestCreateTime) {
- long latency = System.currentTimeMillis() - requestCreateTime;
+ long latency = MathUtils.now() - requestCreateTime;
totalLatency += latency;
count++;
if (latency < minLatency) {
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/LocalBookKeeper.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/LocalBookKeeper.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/LocalBookKeeper.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/LocalBookKeeper.java
Tue Jul 24 17:02:38 2012
@@ -1,5 +1,3 @@
-package org.apache.bookkeeper.util;
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -17,6 +15,7 @@ package org.apache.bookkeeper.util;
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+package org.apache.bookkeeper.util;
import java.io.BufferedReader;
import java.io.File;
@@ -209,7 +208,7 @@ public class LocalBookKeeper {
}
public static boolean waitForServerUp(String hp, long timeout) {
- long start = System.currentTimeMillis();
+ long start = MathUtils.now();
String split[] = hp.split(":");
String host = split[0];
int port = Integer.parseInt(split[1]);
@@ -241,7 +240,7 @@ public class LocalBookKeeper {
LOG.info("server " + hp + " not up " + e);
}
- if (System.currentTimeMillis() > start + timeout) {
+ if (MathUtils.now() > start + timeout) {
break;
}
try {
Modified:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/MathUtils.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/MathUtils.java?rev=1365171&r1=1365170&r2=1365171&view=diff
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/MathUtils.java
(original)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/main/java/org/apache/bookkeeper/util/MathUtils.java
Tue Jul 24 17:02:38 2012
@@ -1,6 +1,3 @@
-package org.apache.bookkeeper.util;
-
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -18,12 +15,13 @@ package org.apache.bookkeeper.util;
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+package org.apache.bookkeeper.util;
/**
- * Provides misc math functions that dont come standard
+ * Provides misc math functions that don't come standard
*/
public class MathUtils {
-
+ private static final long NANOSECONDS_PER_MILLISECOND = 1000000;
public static int signSafeMod(long dividend, int divisor) {
int mod = (int) (dividend % divisor);
@@ -34,5 +32,17 @@ public class MathUtils {
return mod;
}
+
+ /**
+ * Current time from some arbitrary time base in the past, counting in
+ * milliseconds, and not affected by settimeofday or similar system clock
+ * changes. This is appropriate to use when computing how much longer to
+ * wait for an interval to expire.
+ *
+ * @return current time in milliseconds.
+ */
+ public static long now() {
+ return System.nanoTime() / NANOSECONDS_PER_MILLISECOND;
+ }
}
Added:
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/TestBKStats.java
URL:
http://svn.apache.org/viewvc/zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/TestBKStats.java?rev=1365171&view=auto
==============================================================================
---
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/TestBKStats.java
(added)
+++
zookeeper/bookkeeper/branches/branch-4.1/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/TestBKStats.java
Tue Jul 24 17:02:38 2012
@@ -0,0 +1,45 @@
+/**
+ *
+ * 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.proto;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.bookkeeper.proto.BKStats.OpStats;
+import org.junit.Test;
+
+/** Tests that Statistics updation in Bookie Server */
+public class TestBKStats {
+
+ /**
+ * Tests that updatLatency should not fail with
+ * ArrayIndexOutOfBoundException when latency time coming as negative.
+ */
+ @Test
+ public void testUpdateLatencyShouldNotFailWithAIOBEWithNegativeLatency()
+ throws Exception {
+ BKStats stats = BKStats.getInstance();
+ OpStats opStat = stats.getOpStats(0);
+ opStat.updateLatency(-10);
+ assertEquals("Should not update any latency metrics", 0,
+ opStat.numSuccessOps);
+
+ }
+}
