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Merge trunk into HA branch.

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1232184 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-01-16 21:57:28 +00:00
commit 940eeb866c
34 changed files with 722 additions and 129 deletions
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7
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -83,6 +83,8 @@ Trunk (unreleased changes)
HADOOP-4515. Configuration#getBoolean must not be case sensitive. (Sho Shimauchi via harsh)
HADOOP-7968. Errant println left in RPC.getHighestSupportedProtocol (Sho Shimauchi via harsh)
BUGS
HADOOP-7851. Configuration.getClasses() never returns the default value.
@ -203,6 +205,8 @@ Release 0.23.1 - Unreleased
HADOOP-7348. Change 'addnl' in getmerge util to be a flag '-nl' instead.
(XieXianshan via harsh)
HADOOP-7975. Add LZ4 as an entry in the default codec list, missed by HADOOP-7657 (harsh)
OPTIMIZATIONS
BUG FIXES
@ -269,6 +273,9 @@ Release 0.23.1 - Unreleased
HADOOP-7964. Deadlock in NetUtils and SecurityUtil class initialization.
(Daryn Sharp via suresh)
HADOOP-7974. TestViewFsTrash incorrectly determines the user's home
directory. (harsh via eli)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

5
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/RPC.java
View File

@ -791,7 +791,10 @@ VerProtocolImpl getHighestSupportedProtocol(RpcKind rpcKind,
String protocolName) {
Long highestVersion = 0L;
ProtoClassProtoImpl highest = null;
System.out.println("Size of protoMap for " + rpcKind + " =" + getProtocolImplMap(rpcKind).size());
if (LOG.isDebugEnabled()) {
LOG.debug("Size of protoMap for " + rpcKind + " ="
+ getProtocolImplMap(rpcKind).size());
}
for (Map.Entry<ProtoNameVer, ProtoClassProtoImpl> pv :
getProtocolImplMap(rpcKind).entrySet()) {
if (pv.getKey().protocol.equals(protocolName)) {

2
hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
View File

@ -161,7 +161,7 @@
<property>
<name>io.compression.codecs</name>
<value>org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec,org.apache.hadoop.io.compress.DeflateCodec,org.apache.hadoop.io.compress.SnappyCodec</value>
<value>org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec,org.apache.hadoop.io.compress.DeflateCodec,org.apache.hadoop.io.compress.SnappyCodec,org.apache.hadoop.io.compress.Lz4Codec</value>
<description>A list of the compression codec classes that can be used
for compression/decompression.</description>
</property>

5
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsTrash.java
View File

@ -79,9 +79,8 @@ public void setUp() throws Exception {
// But home dir is different on linux, mac etc.
// Figure it out by calling home dir on target
String homeDir = fsTarget.getHomeDirectory().toUri().getPath();
int indexOf2ndSlash = homeDir.indexOf('/', 1);
String homeDirRoot = homeDir.substring(0, indexOf2ndSlash);
String homeDirRoot = fsTarget.getHomeDirectory()
.getParent().toUri().getPath();
ConfigUtil.addLink(conf, homeDirRoot,
fsTarget.makeQualified(new Path(homeDirRoot)).toUri());
ConfigUtil.setHomeDirConf(conf, homeDirRoot);

5
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -264,6 +264,8 @@ Release 0.23.1 - UNRELEASED
HDFS-69. Improve the 'dfsadmin' commandline help. (harsh)
HDFS-2788. HdfsServerConstants#DN_KEEPALIVE_TIMEOUT is dead code (eli)
OPTIMIZATIONS
HDFS-2130. Switch default checksum to CRC32C. (todd)
@ -327,6 +329,9 @@ Release 0.23.1 - UNRELEASED
HDFS-2707. HttpFS should read the hadoop-auth secret from a file
instead inline from the configuration. (tucu)
HDFS-2790. FSNamesystem.setTimes throws exception with wrong
configuration name in the message. (Arpit Gupta via eli)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/HdfsServerConstants.java
View File

@ -86,7 +86,6 @@ public String getClusterId() {
public static int READ_TIMEOUT_EXTENSION = 5 * 1000;
public static int WRITE_TIMEOUT = 8 * 60 * 1000;
public static int WRITE_TIMEOUT_EXTENSION = 5 * 1000; //for write pipeline
public static int DN_KEEPALIVE_TIMEOUT = 5 * 1000;
/**
* Defines the NameNode role.

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -1219,7 +1219,7 @@ void setTimes(String src, long mtime, long atime)
throws IOException, UnresolvedLinkException {
if (!isAccessTimeSupported() && atime != -1) {
throw new IOException("Access time for hdfs is not configured. " +
" Please set dfs.support.accessTime configuration parameter.");
" Please set " + DFS_NAMENODE_ACCESSTIME_PRECISION_KEY + " configuration parameter.");
}
writeLock();
try {

18
hadoop-mapreduce-project/CHANGES.txt
View File

@ -481,6 +481,24 @@ Release 0.23.1 - Unreleased
MAPREDUCE-3625. CapacityScheduler web-ui display of queue's used capacity is broken.
(Jason Lowe via mahadev)
MAPREDUCE-3596. Fix scheduler to handle cleaned up containers, which NMs
may subsequently report as running. (Vinod Kumar Vavilapalli via sseth)
MAPREDUCE-3656. Fixed a race condition in MR AM which is failing the sort
benchmark consistently. (Siddarth Seth via vinodkv)
MAPREDUCE-3532. Modified NM to report correct http address when an ephemeral
web port is configured. (Bhallamudi Venkata Siva Kamesh via vinodkv)
MAPREDUCE-3404. Corrected MR AM to honor speculative configuration and enable
speculating either maps or reduces. (Eric Payne via vinodkv)
MAPREDUCE-3649. Job End notification gives an error on calling back.
(Ravi Prakash via mahadev)
MAPREDUCE-3657. State machine visualize build fails. (Jason Lowe
via mahadev)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

49
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/TaskAttemptListenerImpl.java
View File

@ -22,7 +22,9 @@
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
@ -77,6 +79,9 @@ public class TaskAttemptListenerImpl extends CompositeService
private ConcurrentMap<WrappedJvmID, org.apache.hadoop.mapred.Task>
jvmIDToActiveAttemptMap
= new ConcurrentHashMap<WrappedJvmID, org.apache.hadoop.mapred.Task>();
private Set<WrappedJvmID> launchedJVMs = Collections
.newSetFromMap(new ConcurrentHashMap<WrappedJvmID, Boolean>());
private JobTokenSecretManager jobTokenSecretManager = null;
public TaskAttemptListenerImpl(AppContext context,
@ -412,18 +417,24 @@ public JvmTask getTask(JvmContext context) throws IOException {
// Try to look up the task. We remove it directly as we don't give
// multiple tasks to a JVM
org.apache.hadoop.mapred.Task task = jvmIDToActiveAttemptMap
.remove(wJvmID);
if (task != null) {
LOG.info("JVM with ID: " + jvmId + " given task: " + task.getTaskID());
jvmTask = new JvmTask(task, false);
// remove the task as it is no more needed and free up the memory
// Also we have already told the JVM to process a task, so it is no
// longer pending, and further request should ask it to exit.
} else {
if (!jvmIDToActiveAttemptMap.containsKey(wJvmID)) {
LOG.info("JVM with ID: " + jvmId + " is invalid and will be killed.");
jvmTask = TASK_FOR_INVALID_JVM;
} else {
if (!launchedJVMs.contains(wJvmID)) {
jvmTask = null;
LOG.info("JVM with ID: " + jvmId
+ " asking for task before AM launch registered. Given null task");
} else {
// remove the task as it is no more needed and free up the memory.
// Also we have already told the JVM to process a task, so it is no
// longer pending, and further request should ask it to exit.
org.apache.hadoop.mapred.Task task =
jvmIDToActiveAttemptMap.remove(wJvmID);
launchedJVMs.remove(wJvmID);
LOG.info("JVM with ID: " + jvmId + " given task: " + task.getTaskID());
jvmTask = new JvmTask(task, false);
}
}
return jvmTask;
}
@ -440,13 +451,12 @@ public void registerPendingTask(
@Override
public void registerLaunchedTask(
org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId attemptID) {
org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId attemptID,
WrappedJvmID jvmId) {
// The AM considers the task to be launched (Has asked the NM to launch it)
// The JVM will only be given a task after this registartion.
launchedJVMs.add(jvmId);
// The task is launched. Register this for expiry-tracking.
// Timing can cause this to happen after the real JVM launches and gets a
// task which is still fine as we will only be tracking for expiry a little
// late than usual.
taskHeartbeatHandler.register(attemptID);
}
@ -459,7 +469,12 @@ public void unregister(
// registration. Events are ordered at TaskAttempt, so unregistration will
// always come after registration.
// remove the mapping if not already removed
// Remove from launchedJVMs before jvmIDToActiveAttemptMap to avoid
// synchronization issue with getTask(). getTask should be checking
// jvmIDToActiveAttemptMap before it checks launchedJVMs.
// remove the mappings if not already removed
launchedJVMs.remove(jvmID);
jvmIDToActiveAttemptMap.remove(jvmID);
//unregister this attempt

28
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/JobEndNotifier.java
View File

@ -19,12 +19,11 @@
package org.apache.hadoop.mapreduce.v2.app;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.Proxy;
import java.net.URL;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
@ -40,7 +39,8 @@
* User can specify number of retry attempts and a time interval at which to
* attempt retries</li><li>
* Cluster administrators can set final parameters to set maximum number of
* tries (0 would disable job end notification) and max time interval</li><li>
* tries (0 would disable job end notification) and max time interval and a
* proxy if needed</li><li>
* The URL may contain sentinels which will be replaced by jobId and jobStatus
* (eg. SUCCEEDED/KILLED/FAILED) </li> </ul>
* </p>
@ -59,8 +59,8 @@ public class JobEndNotifier implements Configurable {
/**
* Parse the URL that needs to be notified of the end of the job, along
* with the number of retries in case of failure and the amount of time to
* wait between retries
* with the number of retries in case of failure, the amount of time to
* wait between retries and proxy settings
* @param conf the configuration
*/
public void setConf(Configuration conf) {
@ -119,15 +119,19 @@ protected boolean notifyURLOnce() {
boolean success = false;
try {
Log.info("Job end notification trying " + urlToNotify);
URLConnection conn = urlToNotify.openConnection(proxyToUse);
HttpURLConnection conn = (HttpURLConnection) urlToNotify.openConnection();
conn.setConnectTimeout(5*1000);
conn.setReadTimeout(5*1000);
conn.setAllowUserInteraction(false);
InputStream is = conn.getInputStream();
conn.getContent();
is.close();
if(conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
Log.warn("Job end notification to " + urlToNotify +" failed with code: "
+ conn.getResponseCode() + " and message \"" + conn.getResponseMessage()
+"\"");
}
else {
success = true;
Log.info("Job end notification to " + urlToNotify + " succeeded");
}
} catch(IOException ioe) {
Log.warn("Job end notification to " + urlToNotify + " failed", ioe);
}
@ -135,8 +139,8 @@ protected boolean notifyURLOnce() {
}
/**
* Notify a server of the completion of a submitted job. The server must have
* configured MRConfig.JOB_END_NOTIFICATION_URLS
* Notify a server of the completion of a submitted job. The user must have
* configured MRJobConfig.MR_JOB_END_NOTIFICATION_URL
* @param jobReport JobReport used to read JobId and JobStatus
* @throws InterruptedException
*/

28
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java
View File

@ -881,9 +881,31 @@ public SpeculatorEventDispatcher(Configuration config) {
}
@Override
public void handle(SpeculatorEvent event) {
if (!disabled &&
(conf.getBoolean(MRJobConfig.MAP_SPECULATIVE, false)
|| conf.getBoolean(MRJobConfig.REDUCE_SPECULATIVE, false))) {
if (disabled) {
return;
}
TaskId tId = event.getTaskID();
TaskType tType = null;
/* event's TaskId will be null if the event type is JOB_CREATE or
* ATTEMPT_STATUS_UPDATE
*/
if (tId != null) {
tType = tId.getTaskType();
}
boolean shouldMapSpec =
conf.getBoolean(MRJobConfig.MAP_SPECULATIVE, false);
boolean shouldReduceSpec =
conf.getBoolean(MRJobConfig.REDUCE_SPECULATIVE, false);
/* The point of the following is to allow the MAP and REDUCE speculative
* config values to be independent:
* IF spec-exec is turned on for maps AND the task is a map task
* OR IF spec-exec is turned on for reduces AND the task is a reduce task
* THEN call the speculator to handle the event.
*/
if ( (shouldMapSpec && (tType == null || tType == TaskType.MAP))
|| (shouldReduceSpec && (tType == null || tType == TaskType.REDUCE))) {
// Speculator IS enabled, direct the event to there.
speculator.handle(event);
}

3
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/TaskAttemptListener.java
View File

@ -45,8 +45,9 @@ public interface TaskAttemptListener {
*
* @param attemptID
* the id of the attempt for this JVM.
* @param jvmID the ID of the JVM.
*/
void registerLaunchedTask(TaskAttemptId attemptID);
void registerLaunchedTask(TaskAttemptId attemptID, WrappedJvmID jvmID);
/**
* Unregister the JVM and the attempt associated with it. This should be

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/TaskHeartbeatHandler.java
View File

@ -93,6 +93,7 @@ public void stop() {
public void receivedPing(TaskAttemptId attemptID) {
//only put for the registered attempts
//TODO throw an exception if the task isn't registered.
runningAttempts.replace(attemptID, clock.getTime());
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java
View File

@ -1201,7 +1201,7 @@ public void transition(TaskAttemptImpl taskAttempt,
// register it to TaskAttemptListener so that it can start monitoring it.
taskAttempt.taskAttemptListener
.registerLaunchedTask(taskAttempt.attemptId);
.registerLaunchedTask(taskAttempt.attemptId, taskAttempt.jvmID);
//TODO Resolve to host / IP in case of a local address.
InetSocketAddress nodeHttpInetAddr =
NetUtils.createSocketAddr(taskAttempt.nodeHttpAddress); // TODO:

9
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapred/TestTaskAttemptListenerImpl.java
View File

@ -19,6 +19,7 @@
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
@ -79,21 +80,21 @@ public void testGetTask() throws IOException {
assertNotNull(result);
assertTrue(result.shouldDie);
// Verify ask after registration but before launch
// Verify ask after registration but before launch.
// Don't kill, should be null.
TaskAttemptId attemptID = mock(TaskAttemptId.class);
Task task = mock(Task.class);
//Now put a task with the ID
listener.registerPendingTask(task, wid);
result = listener.getTask(context);
assertNotNull(result);
assertFalse(result.shouldDie);
assertNull(result);
// Unregister for more testing.
listener.unregister(attemptID, wid);
// Verify ask after registration and launch
//Now put a task with the ID
listener.registerPendingTask(task, wid);
listener.registerLaunchedTask(attemptID);
listener.registerLaunchedTask(attemptID, wid);
verify(hbHandler).register(attemptID);
result = listener.getTask(context);
assertNotNull(result);

5
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/MRApp.java
View File

@ -324,7 +324,9 @@ public InetSocketAddress getAddress() {
return NetUtils.createSocketAddr("localhost:54321");
}
@Override
public void registerLaunchedTask(TaskAttemptId attemptID) {}
public void registerLaunchedTask(TaskAttemptId attemptID,
WrappedJvmID jvmID) {
}
@Override
public void unregister(TaskAttemptId attemptID, WrappedJvmID jvmID) {
}
@ -463,6 +465,7 @@ protected StateMachine<JobState, JobEventType, JobEvent> getStateMachine() {
return localStateMachine;
}
@SuppressWarnings("rawtypes")
public TestJob(JobId jobId, ApplicationAttemptId applicationAttemptId,
Configuration conf, EventHandler eventHandler,
TaskAttemptListener taskAttemptListener, Clock clock,

309
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestSpeculativeExecution.java Normal file
View File

@ -0,0 +1,309 @@
/**
* 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.mapreduce.v2;
import java.io.File;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Counters;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.JobCounter;
import org.apache.hadoop.mapreduce.JobStatus;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.mapreduce.TaskType;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
import org.apache.hadoop.mapreduce.v2.app.speculate.LegacyTaskRuntimeEstimator;
import org.apache.hadoop.mapreduce.v2.app.speculate.TaskRuntimeEstimator;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestSpeculativeExecution {
/*
* This class is used to control when speculative execution happens.
*/
public static class TestSpecEstimator extends LegacyTaskRuntimeEstimator {
private static final long SPECULATE_THIS = 999999L;
public TestSpecEstimator() {
super();
}
/*
* This will only be called if speculative execution is turned on.
*
* If either mapper or reducer speculation is turned on, this will be
* called.
*
* This will cause speculation to engage for the first mapper or first
* reducer (that is, attempt ID "*_m_000000_0" or "*_r_000000_0")
*
* If this attempt is killed, the retry will have attempt id 1, so it
* will not engage speculation again.
*/
@Override
public long estimatedRuntime(TaskAttemptId id) {
if ((id.getTaskId().getId() == 0) && (id.getId() == 0)) {
return SPECULATE_THIS;
}
return super.estimatedRuntime(id);
}
}
private static final Log LOG = LogFactory.getLog(TestSpeculativeExecution.class);
protected static MiniMRYarnCluster mrCluster;
private static Configuration initialConf = new Configuration();
private static FileSystem localFs;
static {
try {
localFs = FileSystem.getLocal(initialConf);
} catch (IOException io) {
throw new RuntimeException("problem getting local fs", io);
}
}
private static Path TEST_ROOT_DIR =
new Path("target",TestSpeculativeExecution.class.getName() + "-tmpDir")
.makeQualified(localFs.getUri(), localFs.getWorkingDirectory());
static Path APP_JAR = new Path(TEST_ROOT_DIR, "MRAppJar.jar");
private static Path TEST_OUT_DIR = new Path(TEST_ROOT_DIR, "test.out.dir");
@BeforeClass
public static void setup() throws IOException {
if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {
LOG.info("MRAppJar " + MiniMRYarnCluster.APPJAR
+ " not found. Not running test.");
return;
}
if (mrCluster == null) {
mrCluster = new MiniMRYarnCluster(TestSpeculativeExecution.class.getName(), 4);
Configuration conf = new Configuration();
mrCluster.init(conf);
mrCluster.start();
}
// workaround the absent public distcache.
localFs.copyFromLocalFile(new Path(MiniMRYarnCluster.APPJAR), APP_JAR);
localFs.setPermission(APP_JAR, new FsPermission("700"));
}
@AfterClass
public static void tearDown() {
if (mrCluster != null) {
mrCluster.stop();
mrCluster = null;
}
}
public static class SpeculativeMapper extends
Mapper<Object, Text, Text, IntWritable> {
public void map(Object key, Text value, Context context)
throws IOException, InterruptedException {
// Make one mapper slower for speculative execution
TaskAttemptID taid = context.getTaskAttemptID();
long sleepTime = 100;
Configuration conf = context.getConfiguration();
boolean test_speculate_map =
conf.getBoolean(MRJobConfig.MAP_SPECULATIVE, false);
// IF TESTING MAPPER SPECULATIVE EXECUTION:
// Make the "*_m_000000_0" attempt take much longer than the others.
// When speculative execution is enabled, this should cause the attempt
// to be killed and restarted. At that point, the attempt ID will be
// "*_m_000000_1", so sleepTime will still remain 100ms.
if ( (taid.getTaskType() == TaskType.MAP) && test_speculate_map
&& (taid.getTaskID().getId() == 0) && (taid.getId() == 0)) {
sleepTime = 10000;
}
try{
Thread.sleep(sleepTime);
} catch(InterruptedException ie) {
// Ignore
}
context.write(value, new IntWritable(1));
}
}
public static class SpeculativeReducer extends
Reducer<Text,IntWritable,Text,IntWritable> {
public void reduce(Text key, Iterable<IntWritable> values,
Context context) throws IOException, InterruptedException {
// Make one reducer slower for speculative execution
TaskAttemptID taid = context.getTaskAttemptID();
long sleepTime = 100;
Configuration conf = context.getConfiguration();
boolean test_speculate_reduce =
conf.getBoolean(MRJobConfig.REDUCE_SPECULATIVE, false);
// IF TESTING REDUCE SPECULATIVE EXECUTION:
// Make the "*_r_000000_0" attempt take much longer than the others.
// When speculative execution is enabled, this should cause the attempt
// to be killed and restarted. At that point, the attempt ID will be
// "*_r_000000_1", so sleepTime will still remain 100ms.
if ( (taid.getTaskType() == TaskType.REDUCE) && test_speculate_reduce
&& (taid.getTaskID().getId() == 0) && (taid.getId() == 0)) {
sleepTime = 10000;
}
try{
Thread.sleep(sleepTime);
} catch(InterruptedException ie) {
// Ignore
}
context.write(key,new IntWritable(0));
}
}
@Test
public void testSpeculativeExecution() throws Exception {
if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {
LOG.info("MRAppJar " + MiniMRYarnCluster.APPJAR
+ " not found. Not running test.");
return;
}
/*------------------------------------------------------------------
* Test that Map/Red does not speculate if MAP_SPECULATIVE and
* REDUCE_SPECULATIVE are both false.
* -----------------------------------------------------------------
*/
Job job = runSpecTest(false, false);
boolean succeeded = job.waitForCompletion(true);
Assert.assertTrue(succeeded);
Assert.assertEquals(JobStatus.State.SUCCEEDED, job.getJobState());
Counters counters = job.getCounters();
Assert.assertEquals(2, counters.findCounter(JobCounter.TOTAL_LAUNCHED_MAPS)
.getValue());
Assert.assertEquals(2, counters.findCounter(JobCounter.TOTAL_LAUNCHED_REDUCES)
.getValue());
Assert.assertEquals(0, counters.findCounter(JobCounter.NUM_FAILED_MAPS)
.getValue());
/*----------------------------------------------------------------------
* Test that Mapper speculates if MAP_SPECULATIVE is true and
* REDUCE_SPECULATIVE is false.
* ---------------------------------------------------------------------
*/
job = runSpecTest(true, false);
succeeded = job.waitForCompletion(true);
Assert.assertTrue(succeeded);
Assert.assertEquals(JobStatus.State.SUCCEEDED, job.getJobState());
counters = job.getCounters();
// The long-running map will be killed and a new one started.
Assert.assertEquals(3, counters.findCounter(JobCounter.TOTAL_LAUNCHED_MAPS)
.getValue());
Assert.assertEquals(2, counters.findCounter(JobCounter.TOTAL_LAUNCHED_REDUCES)
.getValue());
Assert.assertEquals(1, counters.findCounter(JobCounter.NUM_FAILED_MAPS)
.getValue());
/*----------------------------------------------------------------------
* Test that Reducer speculates if REDUCE_SPECULATIVE is true and
* MAP_SPECULATIVE is false.
* ---------------------------------------------------------------------
*/
job = runSpecTest(false, true);
succeeded = job.waitForCompletion(true);
Assert.assertTrue(succeeded);
Assert.assertEquals(JobStatus.State.SUCCEEDED, job.getJobState());
counters = job.getCounters();
// The long-running map will be killed and a new one started.
Assert.assertEquals(2, counters.findCounter(JobCounter.TOTAL_LAUNCHED_MAPS)
.getValue());
Assert.assertEquals(3, counters.findCounter(JobCounter.TOTAL_LAUNCHED_REDUCES)
.getValue());
}
private Path createTempFile(String filename, String contents)
throws IOException {
Path path = new Path(TEST_ROOT_DIR, filename);
FSDataOutputStream os = localFs.create(path);
os.writeBytes(contents);
os.close();
localFs.setPermission(path, new FsPermission("700"));
return path;
}
private Job runSpecTest(boolean mapspec, boolean redspec)
throws IOException, ClassNotFoundException, InterruptedException {
Path first = createTempFile("specexec_map_input1", "a\nz");
Path secnd = createTempFile("specexec_map_input2", "a\nz");
Configuration conf = mrCluster.getConfig();
conf.setBoolean(MRJobConfig.MAP_SPECULATIVE,mapspec);
conf.setBoolean(MRJobConfig.REDUCE_SPECULATIVE,redspec);
conf.setClass(MRJobConfig.MR_AM_TASK_ESTIMATOR,
TestSpecEstimator.class,
TaskRuntimeEstimator.class);
Job job = Job.getInstance(conf);
job.setJarByClass(TestSpeculativeExecution.class);
job.setMapperClass(SpeculativeMapper.class);
job.setReducerClass(SpeculativeReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
job.setNumReduceTasks(2);
FileInputFormat.setInputPaths(job, first);
FileInputFormat.addInputPath(job, secnd);
FileOutputFormat.setOutputPath(job, TEST_OUT_DIR);
// Delete output directory if it exists.
try {
localFs.delete(TEST_OUT_DIR,true);
} catch (IOException e) {
// ignore
}
// Creates the Job Configuration
job.addFileToClassPath(APP_JAR); // The AppMaster jar itself.
job.createSymlink();
job.setMaxMapAttempts(2);
job.submit();
return job;
}
}

11
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/BuilderUtils.java
View File

@ -205,6 +205,17 @@ public static NodeId newNodeId(String host, int port) {
return nodeId;
}
public static ContainerStatus newContainerStatus(ContainerId containerId,
ContainerState containerState, String diagnostics, int exitStatus) {
ContainerStatus containerStatus = recordFactory
.newRecordInstance(ContainerStatus.class);
containerStatus.setState(containerState);
containerStatus.setContainerId(containerId);
containerStatus.setDiagnostics(diagnostics);
containerStatus.setExitStatus(exitStatus);
return containerStatus;
}
public static Container newContainer(ContainerId containerId,
NodeId nodeId, String nodeHttpAddress,
Resource resource, Priority priority, ContainerToken containerToken) {

1
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
View File

@ -109,6 +109,7 @@
</goals>
<configuration>
<mainClass>org.apache.hadoop.yarn.util.VisualizeStateMachine</mainClass>
<classpathScope>compile</classpathScope>
<arguments>
<argument>NodeManager</argument>
<argument>org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationImpl,

10
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java
View File

@ -65,6 +65,7 @@
import org.apache.hadoop.yarn.state.SingleArcTransition;
import org.apache.hadoop.yarn.state.StateMachine;
import org.apache.hadoop.yarn.state.StateMachineFactory;
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.apache.hadoop.yarn.util.ConverterUtils;
public class ContainerImpl implements Container {
@ -370,13 +371,8 @@ public ContainerLaunchContext getLaunchContext() {
public ContainerStatus cloneAndGetContainerStatus() {
this.readLock.lock();
try {
ContainerStatus containerStatus =
recordFactory.newRecordInstance(ContainerStatus.class);
containerStatus.setState(getCurrentState());
containerStatus.setContainerId(this.launchContext.getContainerId());
containerStatus.setDiagnostics(diagnostics.toString());
containerStatus.setExitStatus(exitCode);
return containerStatus;
return BuilderUtils.newContainerStatus(this.getContainerID(),
getCurrentState(), diagnostics.toString(), exitCode);
} finally {
this.readLock.unlock();
}

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/WebServer.java
View File

@ -20,6 +20,7 @@
import static org.apache.hadoop.yarn.util.StringHelper.pajoin;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
@ -65,6 +66,9 @@ public synchronized void start() {
this.webApp =
WebApps.$for("node", Context.class, this.nmContext, "ws")
.at(bindAddress).with(getConfig()).start(this.nmWebApp);
int port = this.webApp.httpServer().getPort();
String webAddress = StringUtils.split(bindAddress, ':')[0] + ":" + port;
getConfig().set(YarnConfiguration.NM_WEBAPP_ADDRESS, webAddress);
} catch (Exception e) {
String msg = "NMWebapps failed to start.";
LOG.error(msg, e);

41
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServer.java
View File

@ -26,6 +26,7 @@
import java.io.IOException;
import java.io.Writer;
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
@ -51,6 +52,7 @@
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
@ -73,6 +75,45 @@ public void tearDown() {
FileUtil.fullyDelete(testLogDir);
}
private String startNMWebAppServer(String webAddr) {
Context nmContext = new NodeManager.NMContext();
ResourceView resourceView = new ResourceView() {
@Override
public long getVmemAllocatedForContainers() {
return 0;
}
@Override
public long getPmemAllocatedForContainers() {
return 0;
}
};
Configuration conf = new Configuration();
conf.set(YarnConfiguration.NM_LOCAL_DIRS, testRootDir.getAbsolutePath());
conf.set(YarnConfiguration.NM_LOG_DIRS, testLogDir.getAbsolutePath());
NodeHealthCheckerService healthChecker = new NodeHealthCheckerService();
healthChecker.init(conf);
LocalDirsHandlerService dirsHandler = healthChecker.getDiskHandler();
conf.set(YarnConfiguration.NM_WEBAPP_ADDRESS, webAddr);
WebServer server = new WebServer(nmContext, resourceView,
new ApplicationACLsManager(conf), dirsHandler);
server.init(conf);
server.start();
String webAppAddr = conf.get(YarnConfiguration.NM_WEBAPP_ADDRESS);
return StringUtils.split(webAppAddr, ':')[1];
}
@Test
public void testNMWebAppWithOutPort() throws IOException {
String port = startNMWebAppServer("0.0.0.0");
Assert.assertTrue("Port is not updated", Integer.parseInt(port) > 0);
}
@Test
public void testNMWebAppWithEphemeralPort() throws IOException {
String port = startNMWebAppServer("0.0.0.0:0");
Assert.assertTrue("Port is not updated", Integer.parseInt(port) > 0);
}
@Test
public void testNMWebApp() throws IOException {
Context nmContext = new NodeManager.NMContext();

1
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/pom.xml
View File

@ -137,6 +137,7 @@
</goals>
<configuration>
<mainClass>org.apache.hadoop.yarn.util.VisualizeStateMachine</mainClass>
<classpathScope>compile</classpathScope>
<arguments>
<argument>ResourceManager</argument>
<argument>org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl,

10
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
View File

@ -67,16 +67,16 @@
import org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebApp;
import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
import org.apache.hadoop.yarn.server.security.ContainerTokenSecretManager;
import org.apache.hadoop.yarn.server.webproxy.AppReportFetcher;
import org.apache.hadoop.yarn.server.webproxy.ProxyUriUtils;
import org.apache.hadoop.yarn.server.webproxy.WebAppProxy;
import org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet;
import org.apache.hadoop.yarn.service.AbstractService;
import org.apache.hadoop.yarn.service.CompositeService;
import org.apache.hadoop.yarn.service.Service;
import org.apache.hadoop.yarn.webapp.WebApp;
import org.apache.hadoop.yarn.webapp.WebApps;
import org.apache.hadoop.yarn.webapp.WebApps.Builder;
import org.apache.hadoop.yarn.server.webproxy.AppReportFetcher;
import org.apache.hadoop.yarn.server.webproxy.ProxyUriUtils;
import org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet;
import org.apache.hadoop.yarn.server.webproxy.WebAppProxy;
/**
* The ResourceManager is the main class that is a set of components.
@ -256,7 +256,7 @@ protected RMAppManager createRMAppManager() {
}
@Private
public static final class SchedulerEventDispatcher extends AbstractService
public static class SchedulerEventDispatcher extends AbstractService
implements EventHandler<SchedulerEvent> {
private final ResourceScheduler scheduler;

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceTrackerService.java
View File

@ -265,8 +265,8 @@ public NodeHeartbeatResponse nodeHeartbeat(NodeHeartbeatRequest request)
HeartbeatResponse latestResponse = recordFactory
.newRecordInstance(HeartbeatResponse.class);
latestResponse.setResponseId(lastHeartbeatResponse.getResponseId() + 1);
latestResponse.addAllContainersToCleanup(rmNode.pullContainersToCleanUp());
latestResponse.addAllApplicationsToCleanup(rmNode.pullAppsToCleanup());
latestResponse.addAllContainersToCleanup(rmNode.getContainersToCleanUp());
latestResponse.addAllApplicationsToCleanup(rmNode.getAppsToCleanup());
latestResponse.setNodeAction(NodeAction.NORMAL);
// 4. Send status to RMNode, saving the latest response.

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.java
View File

@ -101,9 +101,9 @@ public interface RMNode {
public RMNodeState getState();
public List<ContainerId> pullContainersToCleanUp();
public List<ContainerId> getContainersToCleanUp();
public List<ApplicationId> pullAppsToCleanup();
public List<ApplicationId> getAppsToCleanup();
public HeartbeatResponse getLastHeartBeatResponse();
}

55
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
View File

@ -90,7 +90,6 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
private final Map<ContainerId, ContainerStatus> justLaunchedContainers =
new HashMap<ContainerId, ContainerStatus>();
/* set of containers that need to be cleaned */
private final Set<ContainerId> containersToClean = new TreeSet<ContainerId>(
new ContainerIdComparator());
@ -248,54 +247,38 @@ public RMNodeState getState() {
}
@Override
public List<ApplicationId> pullAppsToCleanup() {
this.writeLock.lock();
try {
List<ApplicationId> lastfinishedApplications = new ArrayList<ApplicationId>();
lastfinishedApplications.addAll(this.finishedApplications);
this.finishedApplications.clear();
return lastfinishedApplications;
} finally {
this.writeLock.unlock();
}
}
@Private
public List<ContainerId> getContainersToCleanUp() {
public List<ApplicationId> getAppsToCleanup() {
this.readLock.lock();
try {
return new ArrayList<ContainerId>(containersToClean);
return new ArrayList<ApplicationId>(this.finishedApplications);
} finally {
this.readLock.unlock();
}
}
@Override
public List<ContainerId> pullContainersToCleanUp() {
public List<ContainerId> getContainersToCleanUp() {
this.writeLock.lock();
this.readLock.lock();
try {
List<ContainerId> containersToCleanUp = new ArrayList<ContainerId>();
containersToCleanUp.addAll(this.containersToClean);
this.containersToClean.clear();
return containersToCleanUp;
return new ArrayList<ContainerId>(this.containersToClean);
} finally {
this.writeLock.unlock();
this.readLock.unlock();
}
};
@Override
public HeartbeatResponse getLastHeartBeatResponse() {
this.writeLock.lock();
this.readLock.lock();
try {
return this.latestHeartBeatResponse;
} finally {
this.writeLock.unlock();
this.readLock.unlock();
}
}
@ -407,13 +390,21 @@ public RMNodeState transition(RMNodeImpl rmNode, RMNodeEvent event) {
for (ContainerStatus remoteContainer : statusEvent.getContainers()) {
ContainerId containerId = remoteContainer.getContainerId();
// Don't bother with containers already scheduled for cleanup,
// the scheduler doens't need to know any more about this container
// Don't bother with containers already scheduled for cleanup, or for
// applications already killed. The scheduler doens't need to know any
// more about this container
if (rmNode.containersToClean.contains(containerId)) {
LOG.info("Container " + containerId + " already scheduled for " +
"cleanup, no further processing");
continue;
}
if (rmNode.finishedApplications.contains(containerId
.getApplicationAttemptId().getApplicationId())) {
LOG.info("Container " + containerId
+ " belongs to an application that is already killed,"
+ " no further processing");
continue;
}
// Process running containers
if (remoteContainer.getState() == ContainerState.RUNNING) {
@ -435,6 +426,12 @@ public RMNodeState transition(RMNodeImpl rmNode, RMNodeEvent event) {
rmNode.context.getDelegationTokenRenewer().updateKeepAliveApplications(
statusEvent.getKeepAliveAppIds());
// HeartBeat processing from our end is done, as node pulls the following
// lists before sending status-updates. Clear data-structures
rmNode.containersToClean.clear();
rmNode.finishedApplications.clear();
return RMNodeState.RUNNING;
}
}

17
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApp.java
View File

@ -39,9 +39,9 @@
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger;
import org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger.AuditConstants;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.ApplicationsStore.ApplicationStore;
import org.apache.hadoop.yarn.server.resourcemanager.resource.Resources;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
@ -52,6 +52,7 @@
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerReservedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeCleanContainerEvent;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset;
@ -61,6 +62,7 @@
* Each running Application in the RM corresponds to one instance
* of this class.
*/
@SuppressWarnings("unchecked")
public class SchedulerApp {
private static final Log LOG = LogFactory.getLog(SchedulerApp.class);
@ -174,12 +176,19 @@ public synchronized void stop(RMAppAttemptState rmAppAttemptFinalState) {
this.appSchedulingInfo.stop(rmAppAttemptFinalState);
}
synchronized public void containerLaunchedOnNode(ContainerId containerId) {
public synchronized void containerLaunchedOnNode(ContainerId containerId,
NodeId nodeId) {
// Inform the container
RMContainer rmContainer =
getRMContainer(containerId);
rmContainer.handle(
new RMContainerEvent(containerId,
if (rmContainer == null) {
// Some unknown container sneaked into the system. Kill it.
this.rmContext.getDispatcher().getEventHandler()
.handle(new RMNodeCleanContainerEvent(nodeId, containerId));
return;
}
rmContainer.handle(new RMContainerEvent(containerId,
RMContainerEventType.LAUNCHED));
}

6
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
View File

@ -57,6 +57,7 @@
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEventType;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeCleanContainerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
@ -76,6 +77,7 @@
@LimitedPrivate("yarn")
@Evolving
@SuppressWarnings("unchecked")
public class CapacityScheduler
implements ResourceScheduler, CapacitySchedulerContext {
@ -588,10 +590,12 @@ private void containerLaunchedOnNode(ContainerId containerId, SchedulerNode node
LOG.info("Unknown application: " + applicationAttemptId +
" launched container " + containerId +
" on node: " + node);
this.rmContext.getDispatcher().getEventHandler()
.handle(new RMNodeCleanContainerEvent(node.getNodeID(), containerId));
return;
}
application.containerLaunchedOnNode(containerId);
application.containerLaunchedOnNode(containerId, node.getNodeID());
}
@Override

9
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
View File

@ -65,6 +65,7 @@
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEventType;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeCleanContainerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Queue;
@ -87,6 +88,7 @@
@LimitedPrivate("yarn")
@Evolving
@SuppressWarnings("unchecked")
public class FifoScheduler implements ResourceScheduler {
private static final Log LOG = LogFactory.getLog(FifoScheduler.class);
@ -282,7 +284,6 @@ private SchedulerNode getNode(NodeId nodeId) {
return nodes.get(nodeId);
}
@SuppressWarnings("unchecked")
private synchronized void addApplication(ApplicationAttemptId appAttemptId,
String user) {
// TODO: Fix store
@ -655,10 +656,14 @@ private void containerLaunchedOnNode(ContainerId containerId, SchedulerNode node
LOG.info("Unknown application: " + applicationAttemptId +
" launched container " + containerId +
" on node: " + node);
// Some unknown container sneaked into the system. Kill it.
this.rmContext.getDispatcher().getEventHandler()
.handle(new RMNodeCleanContainerEvent(node.getNodeID(), containerId));
return;
}
application.containerLaunchedOnNode(containerId);
application.containerLaunchedOnNode(containerId, node.getNodeID());
}
@Lock(FifoScheduler.class)

16
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockNM.java
View File

@ -39,15 +39,17 @@ public class MockNM {
private int responseId;
private NodeId nodeId;
private final String nodeIdStr;
private final int memory;
private final ResourceTrackerService resourceTracker;
private final int httpPort = 2;
MockNM(String nodeIdStr, int memory, ResourceTrackerService resourceTracker) {
this.nodeIdStr = nodeIdStr;
this.memory = memory;
this.resourceTracker = resourceTracker;
String[] splits = nodeIdStr.split(":");
nodeId = Records.newRecord(NodeId.class);
nodeId.setHost(splits[0]);
nodeId.setPort(Integer.parseInt(splits[1]));
}
public NodeId getNodeId() {
@ -63,14 +65,10 @@ public void containerStatus(Container container) throws Exception {
new HashMap<ApplicationId, List<ContainerStatus>>();
conts.put(container.getId().getApplicationAttemptId().getApplicationId(),
Arrays.asList(new ContainerStatus[] { container.getContainerStatus() }));
nodeHeartbeat(conts, true,nodeId);
nodeHeartbeat(conts, true);
}
public NodeId registerNode() throws Exception {
String[] splits = nodeIdStr.split(":");
nodeId = Records.newRecord(NodeId.class);
nodeId.setHost(splits[0]);
nodeId.setPort(Integer.parseInt(splits[1]));
RegisterNodeManagerRequest req = Records.newRecord(
RegisterNodeManagerRequest.class);
req.setNodeId(nodeId);
@ -83,11 +81,11 @@ public NodeId registerNode() throws Exception {
}
public HeartbeatResponse nodeHeartbeat(boolean b) throws Exception {
return nodeHeartbeat(new HashMap<ApplicationId, List<ContainerStatus>>(), b,nodeId);
return nodeHeartbeat(new HashMap<ApplicationId, List<ContainerStatus>>(), b);
}
public HeartbeatResponse nodeHeartbeat(Map<ApplicationId,
List<ContainerStatus>> conts, boolean isHealthy, NodeId nodeId) throws Exception {
List<ContainerStatus>> conts, boolean isHealthy) throws Exception {
NodeHeartbeatRequest req = Records.newRecord(NodeHeartbeatRequest.class);
NodeStatus status = Records.newRecord(NodeStatus.class);
status.setNodeId(nodeId);

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockNodes.java
View File

@ -152,13 +152,13 @@ public RMNodeState getState() {
}
@Override
public List<ApplicationId> pullAppsToCleanup() {
public List<ApplicationId> getAppsToCleanup() {
// TODO Auto-generated method stub
return null;
}
@Override
public List<ContainerId> pullContainersToCleanUp() {
public List<ContainerId> getContainersToCleanUp() {
// TODO Auto-generated method stub
return null;
}

150
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestApplicationCleanup.java
View File

@ -19,26 +19,39 @@
package org.apache.hadoop.yarn.server.resourcemanager;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import junit.framework.Assert;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ContainerState;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.DrainDispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.server.api.records.HeartbeatResponse;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.junit.Test;
import org.mortbay.log.Log;
public class TestApplicationCleanup {
private static final Log LOG = LogFactory
.getLog(TestApplicationCleanup.class);
@Test
public void testAppCleanup() throws Exception {
Logger rootLogger = LogManager.getRootLogger();
@ -67,11 +80,13 @@ public void testAppCleanup() throws Exception {
List<Container> conts = am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers();
int contReceived = conts.size();
while (contReceived < request) {
int waitCount = 0;
while (contReceived < request && waitCount++ < 20) {
conts = am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers();
contReceived += conts.size();
Log.info("Got " + contReceived + " containers. Waiting to get " + request);
LOG.info("Got " + contReceived + " containers. Waiting to get "
+ request);
Thread.sleep(2000);
}
Assert.assertEquals(request, conts.size());
@ -86,11 +101,12 @@ public void testAppCleanup() throws Exception {
//currently only containers are cleaned via this
//AM container is cleaned via container launcher
while (cleanedConts < 2 || cleanedApps < 1) {
waitCount = 0;
while ((cleanedConts < 3 || cleanedApps < 1) && waitCount++ < 20) {
HeartbeatResponse resp = nm1.nodeHeartbeat(true);
contsToClean = resp.getContainersToCleanupList();
apps = resp.getApplicationsToCleanupList();
Log.info("Waiting to get cleanup events.. cleanedConts: "
LOG.info("Waiting to get cleanup events.. cleanedConts: "
+ cleanedConts + " cleanedApps: " + cleanedApps);
cleanedConts += contsToClean.size();
cleanedApps += apps.size();
@ -99,6 +115,130 @@ public void testAppCleanup() throws Exception {
Assert.assertEquals(1, apps.size());
Assert.assertEquals(app.getApplicationId(), apps.get(0));
Assert.assertEquals(1, cleanedApps);
Assert.assertEquals(3, cleanedConts);
rm.stop();
}
@Test
public void testContainerCleanup() throws Exception {
Logger rootLogger = LogManager.getRootLogger();
rootLogger.setLevel(Level.DEBUG);
final DrainDispatcher dispatcher = new DrainDispatcher();
MockRM rm = new MockRM() {
@Override
protected EventHandler<SchedulerEvent> createSchedulerEventDispatcher() {
return new SchedulerEventDispatcher(this.scheduler) {
@Override
public void handle(SchedulerEvent event) {
scheduler.handle(event);
}
};
}
@Override
protected Dispatcher createDispatcher() {
return dispatcher;
}
};
rm.start();
MockNM nm1 = rm.registerNode("h1:1234", 5000);
RMApp app = rm.submitApp(2000);
//kick the scheduling
nm1.nodeHeartbeat(true);
RMAppAttempt attempt = app.getCurrentAppAttempt();
MockAM am = rm.sendAMLaunched(attempt.getAppAttemptId());
am.registerAppAttempt();
//request for containers
int request = 2;
am.allocate("h1" , 1000, request,
new ArrayList<ContainerId>());
dispatcher.await();
//kick the scheduler
nm1.nodeHeartbeat(true);
List<Container> conts = am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers();
int contReceived = conts.size();
int waitCount = 0;
while (contReceived < request && waitCount++ < 20) {
conts = am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers();
dispatcher.await();
contReceived += conts.size();
LOG.info("Got " + contReceived + " containers. Waiting to get "
+ request);
Thread.sleep(2000);
}
Assert.assertEquals(request, conts.size());
// Release a container.
ArrayList<ContainerId> release = new ArrayList<ContainerId>();
release.add(conts.get(1).getId());
am.allocate(new ArrayList<ResourceRequest>(), release);
dispatcher.await();
// Send one more heartbeat with a fake running container. This is to
// simulate the situation that can happen if the NM reports that container
// is running in the same heartbeat when the RM asks it to clean it up.
Map<ApplicationId, List<ContainerStatus>> containerStatuses =
new HashMap<ApplicationId, List<ContainerStatus>>();
ArrayList<ContainerStatus> containerStatusList =
new ArrayList<ContainerStatus>();
containerStatusList.add(BuilderUtils.newContainerStatus(conts.get(1)
.getId(), ContainerState.RUNNING, "nothing", 0));
containerStatuses.put(app.getApplicationId(), containerStatusList);
HeartbeatResponse resp = nm1.nodeHeartbeat(containerStatuses, true);
dispatcher.await();
List<ContainerId> contsToClean = resp.getContainersToCleanupList();
int cleanedConts = contsToClean.size();
waitCount = 0;
while (cleanedConts < 1 && waitCount++ < 20) {
resp = nm1.nodeHeartbeat(true);
dispatcher.await();
contsToClean = resp.getContainersToCleanupList();
LOG.info("Waiting to get cleanup events.. cleanedConts: " + cleanedConts);
cleanedConts += contsToClean.size();
Thread.sleep(1000);
}
LOG.info("Got cleanup for " + contsToClean.get(0));
Assert.assertEquals(1, cleanedConts);
// Now to test the case when RM already gave cleanup, and NM suddenly
// realizes that the container is running.
LOG.info("Testing container launch much after release and "
+ "NM getting cleanup");
containerStatuses.clear();
containerStatusList.clear();
containerStatusList.add(BuilderUtils.newContainerStatus(conts.get(1)
.getId(), ContainerState.RUNNING, "nothing", 0));
containerStatuses.put(app.getApplicationId(), containerStatusList);
resp = nm1.nodeHeartbeat(containerStatuses, true);
dispatcher.await();
contsToClean = resp.getContainersToCleanupList();
cleanedConts = contsToClean.size();
// The cleanup list won't be instantaneous as it is given out by scheduler
// and not RMNodeImpl.
waitCount = 0;
while (cleanedConts < 1 && waitCount++ < 20) {
resp = nm1.nodeHeartbeat(true);
dispatcher.await();
contsToClean = resp.getContainersToCleanupList();
LOG.info("Waiting to get cleanup events.. cleanedConts: " + cleanedConts);
cleanedConts += contsToClean.size();
Thread.sleep(1000);
}
LOG.info("Got cleanup for " + contsToClean.get(0));
Assert.assertEquals(1, cleanedConts);
rm.stop();
}

3
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java
View File

@ -164,8 +164,7 @@ public void testReboot() throws Exception {
Assert.assertTrue(NodeAction.NORMAL.equals(nodeHeartbeat.getNodeAction()));
nodeHeartbeat = nm2.nodeHeartbeat(
new HashMap<ApplicationId, List<ContainerStatus>>(), true,
recordFactory.newRecordInstance(NodeId.class));
new HashMap<ApplicationId, List<ContainerStatus>>(), true);
Assert.assertTrue(NodeAction.REBOOT.equals(nodeHeartbeat.getNodeAction()));
checkRebootedNMCount(rm, ++initialMetricCount);
}