HADOOP-11032. Replace use of Guava's Stopwatch with Hadoop's StopWatch. (ozawa)
(cherry picked from commit a6ed4894b5
)
Conflicts:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/test/java/org/apache/hadoop/mapred/nativetask/kvtest/KVJob.java
This commit is contained in:
parent
9eb7611e81
commit
132fd6ba58
|
@ -103,6 +103,9 @@ Release 2.7.0 - UNRELEASED
|
|||
HADOOP-11390 Metrics 2 ganglia provider to include hostname in
|
||||
unresolved address problems. (Varun Saxena via stevel)
|
||||
|
||||
HADOOP-11032. Replace use of Guava's Stopwatch with Hadoop's StopWatch
|
||||
(ozawa)
|
||||
|
||||
OPTIMIZATIONS
|
||||
|
||||
HADOOP-11323. WritableComparator#compare keeps reference to byte array.
|
||||
|
|
|
@ -22,6 +22,7 @@ import java.lang.management.ManagementFactory;
|
|||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
|
@ -30,7 +31,6 @@ import org.apache.hadoop.conf.Configuration;
|
|||
|
||||
import com.google.common.base.Joiner;
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.common.base.Stopwatch;
|
||||
import com.google.common.collect.Lists;
|
||||
import com.google.common.collect.Maps;
|
||||
import com.google.common.collect.Sets;
|
||||
|
@ -172,7 +172,7 @@ public class JvmPauseMonitor {
|
|||
private class Monitor implements Runnable {
|
||||
@Override
|
||||
public void run() {
|
||||
Stopwatch sw = new Stopwatch();
|
||||
StopWatch sw = new StopWatch();
|
||||
Map<String, GcTimes> gcTimesBeforeSleep = getGcTimes();
|
||||
while (shouldRun) {
|
||||
sw.reset().start();
|
||||
|
@ -181,7 +181,7 @@ public class JvmPauseMonitor {
|
|||
} catch (InterruptedException ie) {
|
||||
return;
|
||||
}
|
||||
long extraSleepTime = sw.elapsedMillis() - SLEEP_INTERVAL_MS;
|
||||
long extraSleepTime = sw.now(TimeUnit.MILLISECONDS) - SLEEP_INTERVAL_MS;
|
||||
Map<String, GcTimes> gcTimesAfterSleep = getGcTimes();
|
||||
|
||||
if (extraSleepTime > warnThresholdMs) {
|
||||
|
|
|
@ -0,0 +1,108 @@
|
|||
/**
|
||||
* 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.hadoop.util;
|
||||
|
||||
import java.io.Closeable;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
/**
|
||||
* A simplified StopWatch implementation which can measure times in nanoseconds.
|
||||
*/
|
||||
public class StopWatch implements Closeable {
|
||||
private boolean isStarted;
|
||||
private long startNanos;
|
||||
private long currentElapsedNanos;
|
||||
|
||||
public StopWatch() {
|
||||
}
|
||||
|
||||
/**
|
||||
* The method is used to find out if the StopWatch is started.
|
||||
* @return boolean If the StopWatch is started.
|
||||
*/
|
||||
public boolean isRunning() {
|
||||
return isStarted;
|
||||
}
|
||||
|
||||
/**
|
||||
* Start to measure times and make the state of stopwatch running.
|
||||
* @return this instance of StopWatch.
|
||||
*/
|
||||
public StopWatch start() {
|
||||
if (isStarted) {
|
||||
throw new IllegalStateException("StopWatch is already running");
|
||||
}
|
||||
isStarted = true;
|
||||
startNanos = System.nanoTime();
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Stop elapsed time and make the state of stopwatch stop.
|
||||
* @return this instance of StopWatch.
|
||||
*/
|
||||
public StopWatch stop() {
|
||||
if (!isStarted) {
|
||||
throw new IllegalStateException("StopWatch is already stopped");
|
||||
}
|
||||
long now = System.nanoTime();
|
||||
isStarted = false;
|
||||
currentElapsedNanos += now - startNanos;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reset elapsed time to zero and make the state of stopwatch stop.
|
||||
* @return this instance of StopWatch.
|
||||
*/
|
||||
public StopWatch reset() {
|
||||
currentElapsedNanos = 0;
|
||||
isStarted = false;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return current elapsed time in specified timeunit.
|
||||
*/
|
||||
public long now(TimeUnit timeUnit) {
|
||||
return timeUnit.convert(now(), TimeUnit.NANOSECONDS);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @return current elapsed time in nanosecond.
|
||||
*/
|
||||
public long now() {
|
||||
return isStarted ?
|
||||
System.nanoTime() - startNanos + currentElapsedNanos :
|
||||
currentElapsedNanos;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return String.valueOf(now());
|
||||
}
|
||||
|
||||
@Override
|
||||
public void close() {
|
||||
if (isStarted) {
|
||||
stop();
|
||||
}
|
||||
}
|
||||
}
|
|
@ -21,12 +21,11 @@ import static org.junit.Assert.*;
|
|||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Iterator;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
import com.google.common.base.Stopwatch;
|
||||
|
||||
public class TestChunkedArrayList {
|
||||
|
||||
@Test
|
||||
|
@ -71,24 +70,24 @@ public class TestChunkedArrayList {
|
|||
System.gc();
|
||||
{
|
||||
ArrayList<String> arrayList = new ArrayList<String>();
|
||||
Stopwatch sw = new Stopwatch();
|
||||
StopWatch sw = new StopWatch();
|
||||
sw.start();
|
||||
for (int i = 0; i < numElems; i++) {
|
||||
arrayList.add(obj);
|
||||
}
|
||||
System.out.println(" ArrayList " + sw.elapsedMillis());
|
||||
System.out.println(" ArrayList " + sw.now(TimeUnit.MILLISECONDS));
|
||||
}
|
||||
|
||||
// test ChunkedArrayList
|
||||
System.gc();
|
||||
{
|
||||
ChunkedArrayList<String> chunkedList = new ChunkedArrayList<String>();
|
||||
Stopwatch sw = new Stopwatch();
|
||||
StopWatch sw = new StopWatch();
|
||||
sw.start();
|
||||
for (int i = 0; i < numElems; i++) {
|
||||
chunkedList.add(obj);
|
||||
}
|
||||
System.out.println("ChunkedArrayList " + sw.elapsedMillis());
|
||||
System.out.println("ChunkedArrayList " + sw.now(TimeUnit.MILLISECONDS));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -21,8 +21,6 @@ import java.nio.ByteBuffer;
|
|||
import java.util.Random;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import com.google.common.base.Stopwatch;
|
||||
|
||||
import org.apache.hadoop.fs.ChecksumException;
|
||||
import org.junit.Test;
|
||||
|
||||
|
@ -147,19 +145,19 @@ public class TestDataChecksum {
|
|||
Harness h = new Harness(checksum, dataLength, true);
|
||||
|
||||
for (int i = 0; i < NUM_RUNS; i++) {
|
||||
Stopwatch s = new Stopwatch().start();
|
||||
StopWatch s = new StopWatch().start();
|
||||
// calculate real checksum, make sure it passes
|
||||
checksum.calculateChunkedSums(h.dataBuf, h.checksumBuf);
|
||||
s.stop();
|
||||
System.err.println("Calculate run #" + i + ": " +
|
||||
s.elapsedTime(TimeUnit.MICROSECONDS) + "us");
|
||||
s.now(TimeUnit.MICROSECONDS) + "us");
|
||||
|
||||
s = new Stopwatch().start();
|
||||
s = new StopWatch().start();
|
||||
// calculate real checksum, make sure it passes
|
||||
checksum.verifyChunkedSums(h.dataBuf, h.checksumBuf, "fake file", 0);
|
||||
s.stop();
|
||||
System.err.println("Verify run #" + i + ": " +
|
||||
s.elapsedTime(TimeUnit.MICROSECONDS) + "us");
|
||||
s.now(TimeUnit.MICROSECONDS) + "us");
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -0,0 +1,62 @@
|
|||
/**
|
||||
* 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.hadoop.util;
|
||||
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TestStopWatch {
|
||||
|
||||
@Test
|
||||
public void testStartAndStop() throws Exception {
|
||||
try (StopWatch sw = new StopWatch()) {
|
||||
Assert.assertFalse(sw.isRunning());
|
||||
sw.start();
|
||||
Assert.assertTrue(sw.isRunning());
|
||||
sw.stop();
|
||||
Assert.assertFalse(sw.isRunning());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStopInTryWithResource() throws Exception {
|
||||
try (StopWatch sw = new StopWatch()) {
|
||||
// make sure that no exception is thrown.
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testExceptions() throws Exception {
|
||||
StopWatch sw = new StopWatch();
|
||||
try {
|
||||
sw.stop();
|
||||
} catch (Exception e) {
|
||||
Assert.assertTrue("IllegalStateException is expected",
|
||||
e instanceof IllegalStateException);
|
||||
}
|
||||
sw.reset();
|
||||
sw.start();
|
||||
try {
|
||||
sw.start();
|
||||
} catch (Exception e) {
|
||||
Assert.assertTrue("IllegalStateException is expected",
|
||||
e instanceof IllegalStateException);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
|
@ -222,6 +222,9 @@ Release 2.7.0 - UNRELEASED
|
|||
HDFS-7484. Make FSDirectory#addINode take existing INodes as its parameter.
|
||||
(jing9)
|
||||
|
||||
HADOOP-11032. Replace use of Guava's Stopwatch with Hadoop's StopWatch
|
||||
(ozawa)
|
||||
|
||||
OPTIMIZATIONS
|
||||
|
||||
HDFS-7454. Reduce memory footprint for AclEntries in NameNode.
|
||||
|
|
|
@ -52,10 +52,10 @@ import org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest;
|
|||
import org.apache.hadoop.ipc.ProtobufRpcEngine;
|
||||
import org.apache.hadoop.ipc.RPC;
|
||||
import org.apache.hadoop.security.SecurityUtil;
|
||||
import org.apache.hadoop.util.StopWatch;
|
||||
|
||||
import com.google.common.annotations.VisibleForTesting;
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.common.base.Stopwatch;
|
||||
import com.google.common.net.InetAddresses;
|
||||
import com.google.common.util.concurrent.FutureCallback;
|
||||
import com.google.common.util.concurrent.Futures;
|
||||
|
@ -143,7 +143,7 @@ public class IPCLoggerChannel implements AsyncLogger {
|
|||
/**
|
||||
* Stopwatch which starts counting on each heartbeat that is sent
|
||||
*/
|
||||
private final Stopwatch lastHeartbeatStopwatch = new Stopwatch();
|
||||
private final StopWatch lastHeartbeatStopwatch = new StopWatch();
|
||||
|
||||
private static final long HEARTBEAT_INTERVAL_MILLIS = 1000;
|
||||
|
||||
|
@ -463,8 +463,8 @@ public class IPCLoggerChannel implements AsyncLogger {
|
|||
* written.
|
||||
*/
|
||||
private void heartbeatIfNecessary() throws IOException {
|
||||
if (lastHeartbeatStopwatch.elapsedMillis() > HEARTBEAT_INTERVAL_MILLIS ||
|
||||
!lastHeartbeatStopwatch.isRunning()) {
|
||||
if (lastHeartbeatStopwatch.now(TimeUnit.MILLISECONDS)
|
||||
> HEARTBEAT_INTERVAL_MILLIS || !lastHeartbeatStopwatch.isRunning()) {
|
||||
try {
|
||||
getProxy().heartbeat(createReqInfo());
|
||||
} finally {
|
||||
|
|
|
@ -65,11 +65,11 @@ import org.apache.hadoop.security.UserGroupInformation;
|
|||
import com.google.common.annotations.VisibleForTesting;
|
||||
import com.google.common.base.Charsets;
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.common.base.Stopwatch;
|
||||
import com.google.common.collect.ImmutableList;
|
||||
import com.google.common.collect.Range;
|
||||
import com.google.common.collect.Ranges;
|
||||
import com.google.protobuf.TextFormat;
|
||||
import org.apache.hadoop.util.StopWatch;
|
||||
|
||||
/**
|
||||
* A JournalNode can manage journals for several clusters at once.
|
||||
|
@ -374,15 +374,20 @@ public class Journal implements Closeable {
|
|||
|
||||
curSegment.writeRaw(records, 0, records.length);
|
||||
curSegment.setReadyToFlush();
|
||||
Stopwatch sw = new Stopwatch();
|
||||
StopWatch sw = new StopWatch();
|
||||
sw.start();
|
||||
curSegment.flush(shouldFsync);
|
||||
sw.stop();
|
||||
|
||||
metrics.addSync(sw.elapsedTime(TimeUnit.MICROSECONDS));
|
||||
if (sw.elapsedTime(TimeUnit.MILLISECONDS) > WARN_SYNC_MILLIS_THRESHOLD) {
|
||||
|
||||
long nanoSeconds = sw.now();
|
||||
metrics.addSync(
|
||||
TimeUnit.MICROSECONDS.convert(nanoSeconds, TimeUnit.NANOSECONDS));
|
||||
long milliSeconds = TimeUnit.MILLISECONDS.convert(
|
||||
nanoSeconds, TimeUnit.NANOSECONDS);
|
||||
|
||||
if (milliSeconds > WARN_SYNC_MILLIS_THRESHOLD) {
|
||||
LOG.warn("Sync of transaction range " + firstTxnId + "-" + lastTxnId +
|
||||
" took " + sw.elapsedTime(TimeUnit.MILLISECONDS) + "ms");
|
||||
" took " + milliSeconds + "ms");
|
||||
}
|
||||
|
||||
if (isLagging) {
|
||||
|
|
|
@ -32,12 +32,11 @@ import org.apache.hadoop.fs.FileSystem;
|
|||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.metrics2.util.Quantile;
|
||||
import org.apache.hadoop.metrics2.util.SampleQuantiles;
|
||||
import org.apache.hadoop.util.StopWatch;
|
||||
import org.apache.hadoop.util.Tool;
|
||||
import org.apache.hadoop.util.ToolRunner;
|
||||
import org.junit.Test;
|
||||
|
||||
import com.google.common.base.Stopwatch;
|
||||
|
||||
/**
|
||||
* This class tests hflushing concurrently from many threads.
|
||||
*/
|
||||
|
@ -100,10 +99,10 @@ public class TestMultiThreadedHflush {
|
|||
}
|
||||
|
||||
private void doAWrite() throws IOException {
|
||||
Stopwatch sw = new Stopwatch().start();
|
||||
StopWatch sw = new StopWatch().start();
|
||||
stm.write(toWrite);
|
||||
stm.hflush();
|
||||
long micros = sw.elapsedTime(TimeUnit.MICROSECONDS);
|
||||
long micros = sw.now(TimeUnit.MICROSECONDS);
|
||||
quantiles.insert(micros);
|
||||
}
|
||||
}
|
||||
|
@ -276,12 +275,12 @@ public class TestMultiThreadedHflush {
|
|||
int replication = conf.getInt(DFSConfigKeys.DFS_REPLICATION_KEY,
|
||||
DFSConfigKeys.DFS_REPLICATION_DEFAULT);
|
||||
|
||||
Stopwatch sw = new Stopwatch().start();
|
||||
StopWatch sw = new StopWatch().start();
|
||||
test.doMultithreadedWrites(conf, p, numThreads, writeSize, numWrites,
|
||||
replication);
|
||||
sw.stop();
|
||||
|
||||
System.out.println("Finished in " + sw.elapsedMillis() + "ms");
|
||||
System.out.println("Finished in " + sw.now(TimeUnit.MILLISECONDS) + "ms");
|
||||
System.out.println("Latency quantiles (in microseconds):\n" +
|
||||
test.quantiles);
|
||||
return 0;
|
||||
|
|
|
@ -27,6 +27,7 @@ import java.io.File;
|
|||
import java.net.HttpURLConnection;
|
||||
import java.net.URL;
|
||||
import java.util.concurrent.ExecutionException;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FileUtil;
|
||||
|
@ -38,8 +39,6 @@ import org.apache.hadoop.hdfs.qjournal.QJMTestUtil;
|
|||
import org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel;
|
||||
import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto;
|
||||
import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PrepareRecoveryResponseProto;
|
||||
import org.apache.hadoop.hdfs.qjournal.server.Journal;
|
||||
import org.apache.hadoop.hdfs.qjournal.server.JournalNode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.NameNodeLayoutVersion;
|
||||
import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
|
||||
import org.apache.hadoop.metrics2.MetricsRecordBuilder;
|
||||
|
@ -48,12 +47,12 @@ import org.apache.hadoop.test.GenericTestUtils;
|
|||
import org.apache.hadoop.test.MetricsAsserts;
|
||||
import org.apache.hadoop.test.PathUtils;
|
||||
import org.apache.hadoop.util.Shell;
|
||||
import org.apache.hadoop.util.StopWatch;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import com.google.common.base.Charsets;
|
||||
import com.google.common.base.Stopwatch;
|
||||
import com.google.common.primitives.Bytes;
|
||||
import com.google.common.primitives.Ints;
|
||||
|
||||
|
@ -325,11 +324,11 @@ public class TestJournalNode {
|
|||
ch.setEpoch(1);
|
||||
ch.startLogSegment(1, NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION).get();
|
||||
|
||||
Stopwatch sw = new Stopwatch().start();
|
||||
StopWatch sw = new StopWatch().start();
|
||||
for (int i = 1; i < numEdits; i++) {
|
||||
ch.sendEdits(1L, i, 1, data).get();
|
||||
}
|
||||
long time = sw.elapsedMillis();
|
||||
long time = sw.now(TimeUnit.MILLISECONDS);
|
||||
|
||||
System.err.println("Wrote " + numEdits + " batches of " + editsSize +
|
||||
" bytes in " + time + "ms");
|
||||
|
|
|
@ -23,6 +23,9 @@ Release 2.7.0 - UNRELEASED
|
|||
MAPREDUCE-6046. Change the class name for logs in RMCommunicator
|
||||
(Sahil Takiar via devaraj)
|
||||
|
||||
HADOOP-11032. Replace use of Guava's Stopwatch with Hadoop's StopWatch
|
||||
(ozawa)
|
||||
|
||||
OPTIMIZATIONS
|
||||
|
||||
MAPREDUCE-6169. MergeQueue should release reference to the current item
|
||||
|
|
|
@ -28,6 +28,7 @@ import java.util.LinkedList;
|
|||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
|
@ -45,9 +46,9 @@ import org.apache.hadoop.net.NetworkTopology;
|
|||
import org.apache.hadoop.net.Node;
|
||||
import org.apache.hadoop.net.NodeBase;
|
||||
import org.apache.hadoop.util.ReflectionUtils;
|
||||
import org.apache.hadoop.util.StopWatch;
|
||||
import org.apache.hadoop.util.StringUtils;
|
||||
|
||||
import com.google.common.base.Stopwatch;
|
||||
import com.google.common.collect.Iterables;
|
||||
|
||||
/**
|
||||
|
@ -223,7 +224,7 @@ public abstract class FileInputFormat<K, V> implements InputFormat<K, V> {
|
|||
org.apache.hadoop.mapreduce.lib.input.FileInputFormat.LIST_STATUS_NUM_THREADS,
|
||||
org.apache.hadoop.mapreduce.lib.input.FileInputFormat.DEFAULT_LIST_STATUS_NUM_THREADS);
|
||||
|
||||
Stopwatch sw = new Stopwatch().start();
|
||||
StopWatch sw = new StopWatch().start();
|
||||
if (numThreads == 1) {
|
||||
List<FileStatus> locatedFiles = singleThreadedListStatus(job, dirs, inputFilter, recursive);
|
||||
result = locatedFiles.toArray(new FileStatus[locatedFiles.size()]);
|
||||
|
@ -242,7 +243,8 @@ public abstract class FileInputFormat<K, V> implements InputFormat<K, V> {
|
|||
|
||||
sw.stop();
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Time taken to get FileStatuses: " + sw.elapsedMillis());
|
||||
LOG.debug("Time taken to get FileStatuses: "
|
||||
+ sw.now(TimeUnit.MILLISECONDS));
|
||||
}
|
||||
LOG.info("Total input paths to process : " + result.length);
|
||||
return result;
|
||||
|
@ -309,7 +311,7 @@ public abstract class FileInputFormat<K, V> implements InputFormat<K, V> {
|
|||
* they're too big.*/
|
||||
public InputSplit[] getSplits(JobConf job, int numSplits)
|
||||
throws IOException {
|
||||
Stopwatch sw = new Stopwatch().start();
|
||||
StopWatch sw = new StopWatch().start();
|
||||
FileStatus[] files = listStatus(job);
|
||||
|
||||
// Save the number of input files for metrics/loadgen
|
||||
|
@ -371,7 +373,7 @@ public abstract class FileInputFormat<K, V> implements InputFormat<K, V> {
|
|||
sw.stop();
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Total # of splits generated by getSplits: " + splits.size()
|
||||
+ ", TimeTaken: " + sw.elapsedMillis());
|
||||
+ ", TimeTaken: " + sw.now(TimeUnit.MILLISECONDS));
|
||||
}
|
||||
return splits.toArray(new FileSplit[splits.size()]);
|
||||
}
|
||||
|
|
|
@ -22,6 +22,7 @@ import java.io.IOException;
|
|||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import java.util.concurrent.TimeUnit;
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
|
@ -43,9 +44,9 @@ import org.apache.hadoop.mapreduce.JobContext;
|
|||
import org.apache.hadoop.mapreduce.Mapper;
|
||||
import org.apache.hadoop.mapreduce.security.TokenCache;
|
||||
import org.apache.hadoop.util.ReflectionUtils;
|
||||
import org.apache.hadoop.util.StopWatch;
|
||||
import org.apache.hadoop.util.StringUtils;
|
||||
|
||||
import com.google.common.base.Stopwatch;
|
||||
import com.google.common.collect.Lists;
|
||||
|
||||
/**
|
||||
|
@ -259,7 +260,7 @@ public abstract class FileInputFormat<K, V> extends InputFormat<K, V> {
|
|||
|
||||
int numThreads = job.getConfiguration().getInt(LIST_STATUS_NUM_THREADS,
|
||||
DEFAULT_LIST_STATUS_NUM_THREADS);
|
||||
Stopwatch sw = new Stopwatch().start();
|
||||
StopWatch sw = new StopWatch().start();
|
||||
if (numThreads == 1) {
|
||||
result = singleThreadedListStatus(job, dirs, inputFilter, recursive);
|
||||
} else {
|
||||
|
@ -276,7 +277,8 @@ public abstract class FileInputFormat<K, V> extends InputFormat<K, V> {
|
|||
|
||||
sw.stop();
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Time taken to get FileStatuses: " + sw.elapsedMillis());
|
||||
LOG.debug("Time taken to get FileStatuses: "
|
||||
+ sw.now(TimeUnit.MILLISECONDS));
|
||||
}
|
||||
LOG.info("Total input paths to process : " + result.size());
|
||||
return result;
|
||||
|
@ -376,7 +378,7 @@ public abstract class FileInputFormat<K, V> extends InputFormat<K, V> {
|
|||
* @throws IOException
|
||||
*/
|
||||
public List<InputSplit> getSplits(JobContext job) throws IOException {
|
||||
Stopwatch sw = new Stopwatch().start();
|
||||
StopWatch sw = new StopWatch().start();
|
||||
long minSize = Math.max(getFormatMinSplitSize(), getMinSplitSize(job));
|
||||
long maxSize = getMaxSplitSize(job);
|
||||
|
||||
|
@ -427,7 +429,7 @@ public abstract class FileInputFormat<K, V> extends InputFormat<K, V> {
|
|||
sw.stop();
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Total # of splits generated by getSplits: " + splits.size()
|
||||
+ ", TimeTaken: " + sw.elapsedMillis());
|
||||
+ ", TimeTaken: " + sw.now(TimeUnit.MILLISECONDS));
|
||||
}
|
||||
return splits;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue