MAPREDUCE-3616. Thread pool for launching containers in MR AM not expanding as expected. (Contributed by Vinod Kumar Vavilapalli)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1229394 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Siddharth Seth
parent
8feb26f116
commit
239a5549ea
@ -431,6 +431,9 @@ Release 0.23.1 - Unreleased
|
||||
MAPREDUCE-3624. Remove unnecessary dependency on JDK's tools.jar. (mahadev
|
||||
via acmurthy)
|
||||
|
||||
MAPREDUCE-3616. Thread pool for launching containers in MR AM not
|
||||
expanding as expected. (vinodkv via sseth)
|
||||
|
||||
Release 0.23.0 - 2011-11-01
|
||||
|
||||
INCOMPATIBLE CHANGES
|
||||
|
||||
@ -76,8 +76,8 @@ public class ContainerLauncherImpl extends AbstractService implements
|
||||
int nmTimeOut;
|
||||
|
||||
private AppContext context;
|
||||
private ThreadPoolExecutor launcherPool;
|
||||
private static final int INITIAL_POOL_SIZE = 10;
|
||||
protected ThreadPoolExecutor launcherPool;
|
||||
protected static final int INITIAL_POOL_SIZE = 10;
|
||||
private int limitOnPoolSize;
|
||||
private Thread eventHandlingThread;
|
||||
private BlockingQueue<ContainerLauncherEvent> eventQueue =
|
||||
@ -102,6 +102,7 @@ public synchronized void init(Configuration config) {
|
||||
this.limitOnPoolSize = conf.getInt(
|
||||
MRJobConfig.MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT,
|
||||
MRJobConfig.DEFAULT_MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT);
|
||||
LOG.info("Upper limit on the thread pool size is " + this.limitOnPoolSize);
|
||||
this.nmTimeOut = conf.getInt(ContainerLauncher.MR_AM_NM_COMMAND_TIMEOUT,
|
||||
ContainerLauncher.DEFAULT_NM_COMMAND_TIMEOUT);
|
||||
this.rpc = YarnRPC.create(conf);
|
||||
@ -141,20 +142,21 @@ public void run() {
|
||||
int numNodes = allNodes.size();
|
||||
int idealPoolSize = Math.min(limitOnPoolSize, numNodes);
|
||||
|
||||
if (poolSize <= idealPoolSize) {
|
||||
if (poolSize < idealPoolSize) {
|
||||
// Bump up the pool size to idealPoolSize+INITIAL_POOL_SIZE, the
|
||||
// later is just a buffer so we are not always increasing the
|
||||
// pool-size
|
||||
int newPoolSize = idealPoolSize + INITIAL_POOL_SIZE;
|
||||
LOG.info("Setting ContainerLauncher pool size to "
|
||||
+ newPoolSize);
|
||||
int newPoolSize = Math.min(limitOnPoolSize, idealPoolSize
|
||||
+ INITIAL_POOL_SIZE);
|
||||
LOG.info("Setting ContainerLauncher pool size to " + newPoolSize
|
||||
+ " as number-of-nodes to talk to is " + numNodes);
|
||||
launcherPool.setCorePoolSize(newPoolSize);
|
||||
}
|
||||
}
|
||||
|
||||
// the events from the queue are handled in parallel
|
||||
// using a thread pool
|
||||
launcherPool.execute(new EventProcessor(event));
|
||||
launcherPool.execute(createEventProcessor(event));
|
||||
|
||||
// TODO: Group launching of multiple containers to a single
|
||||
// NodeManager into a single connection
|
||||
@ -172,14 +174,16 @@ public void stop() {
|
||||
super.stop();
|
||||
}
|
||||
|
||||
protected EventProcessor createEventProcessor(ContainerLauncherEvent event) {
|
||||
return new EventProcessor(event);
|
||||
}
|
||||
|
||||
protected ContainerManager getCMProxy(ContainerId containerID,
|
||||
final String containerManagerBindAddr, ContainerToken containerToken)
|
||||
throws IOException {
|
||||
|
||||
UserGroupInformation user = UserGroupInformation.getCurrentUser();
|
||||
|
||||
this.allNodes.add(containerManagerBindAddr);
|
||||
|
||||
if (UserGroupInformation.isSecurityEnabled()) {
|
||||
Token<ContainerTokenIdentifier> token = new Token<ContainerTokenIdentifier>(
|
||||
containerToken.getIdentifier().array(), containerToken
|
||||
@ -244,7 +248,7 @@ public boolean cancel() {
|
||||
/**
|
||||
* Setup and start the container on remote nodemanager.
|
||||
*/
|
||||
private class EventProcessor implements Runnable {
|
||||
class EventProcessor implements Runnable {
|
||||
private ContainerLauncherEvent event;
|
||||
|
||||
EventProcessor(ContainerLauncherEvent event) {
|
||||
@ -280,7 +284,7 @@ public void run() {
|
||||
proxy = getCMProxy(containerID, containerManagerBindAddr,
|
||||
containerToken);
|
||||
|
||||
// Interruped during getProxy, but that didn't throw exception
|
||||
// Interrupted during getProxy, but that didn't throw exception
|
||||
if (Thread.interrupted()) {
|
||||
// The timer cancelled the command in the mean while.
|
||||
String message = "Container launch failed for " + containerID
|
||||
@ -438,6 +442,7 @@ void sendContainerLaunchFailedMsg(TaskAttemptId taskAttemptID,
|
||||
public void handle(ContainerLauncherEvent event) {
|
||||
try {
|
||||
eventQueue.put(event);
|
||||
this.allNodes.add(event.getContainerMgrAddress());
|
||||
} catch (InterruptedException e) {
|
||||
throw new YarnException(e);
|
||||
}
|
||||
|
||||
@ -1,140 +0,0 @@
|
||||
/**
|
||||
* 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.app;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Map;
|
||||
|
||||
import junit.framework.Assert;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.mapreduce.MRJobConfig;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.JobState;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskState;
|
||||
import org.apache.hadoop.mapreduce.v2.app.job.Job;
|
||||
import org.apache.hadoop.mapreduce.v2.app.job.Task;
|
||||
import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt;
|
||||
import org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncher;
|
||||
import org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl;
|
||||
import org.apache.hadoop.yarn.api.ContainerManager;
|
||||
import org.apache.hadoop.yarn.api.records.ContainerId;
|
||||
import org.apache.hadoop.yarn.api.records.ContainerToken;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TestContainerLauncher {
|
||||
|
||||
static final Log LOG = LogFactory
|
||||
.getLog(TestContainerLauncher.class);
|
||||
|
||||
@Test
|
||||
public void testSlowNM() throws Exception {
|
||||
test(false);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSlowNMWithInterruptsSwallowed() throws Exception {
|
||||
test(true);
|
||||
}
|
||||
|
||||
private void test(boolean swallowInterrupts) throws Exception {
|
||||
|
||||
MRApp app = new MRAppWithSlowNM(swallowInterrupts);
|
||||
|
||||
Configuration conf = new Configuration();
|
||||
int maxAttempts = 1;
|
||||
conf.setInt(MRJobConfig.MAP_MAX_ATTEMPTS, maxAttempts);
|
||||
conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, false);
|
||||
|
||||
// Set low timeout for NM commands
|
||||
conf.setInt(ContainerLauncher.MR_AM_NM_COMMAND_TIMEOUT, 3000);
|
||||
|
||||
Job job = app.submit(conf);
|
||||
app.waitForState(job, JobState.RUNNING);
|
||||
|
||||
Map<TaskId, Task> tasks = job.getTasks();
|
||||
Assert.assertEquals("Num tasks is not correct", 1, tasks.size());
|
||||
|
||||
Task task = tasks.values().iterator().next();
|
||||
app.waitForState(task, TaskState.SCHEDULED);
|
||||
|
||||
Map<TaskAttemptId, TaskAttempt> attempts = tasks.values().iterator()
|
||||
.next().getAttempts();
|
||||
Assert.assertEquals("Num attempts is not correct", maxAttempts, attempts
|
||||
.size());
|
||||
|
||||
TaskAttempt attempt = attempts.values().iterator().next();
|
||||
app.waitForState(attempt, TaskAttemptState.ASSIGNED);
|
||||
|
||||
app.waitForState(job, JobState.FAILED);
|
||||
|
||||
String diagnostics = attempt.getDiagnostics().toString();
|
||||
LOG.info("attempt.getDiagnostics: " + diagnostics);
|
||||
if (swallowInterrupts) {
|
||||
Assert.assertEquals("[Container launch failed for "
|
||||
+ "container_0_0000_01_000000 : Start-container for "
|
||||
+ "container_0_0000_01_000000 got interrupted. Returning.]",
|
||||
diagnostics);
|
||||
} else {
|
||||
Assert.assertTrue(diagnostics.contains("Container launch failed for "
|
||||
+ "container_0_0000_01_000000 : "));
|
||||
Assert.assertTrue(diagnostics
|
||||
.contains(": java.lang.InterruptedException"));
|
||||
}
|
||||
|
||||
app.stop();
|
||||
}
|
||||
|
||||
private static class MRAppWithSlowNM extends MRApp {
|
||||
|
||||
final boolean swallowInterrupts;
|
||||
|
||||
public MRAppWithSlowNM(boolean swallowInterrupts) {
|
||||
super(1, 0, false, "TestContainerLauncher", true);
|
||||
this.swallowInterrupts = swallowInterrupts;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected ContainerLauncher createContainerLauncher(AppContext context) {
|
||||
return new ContainerLauncherImpl(context) {
|
||||
@Override
|
||||
protected ContainerManager getCMProxy(ContainerId containerID,
|
||||
String containerManagerBindAddr, ContainerToken containerToken)
|
||||
throws IOException {
|
||||
try {
|
||||
synchronized (this) {
|
||||
wait(); // Just hang the thread simulating a very slow NM.
|
||||
}
|
||||
} catch (InterruptedException e) {
|
||||
LOG.info(e);
|
||||
if (!MRAppWithSlowNM.this.swallowInterrupts) {
|
||||
throw new IOException(e);
|
||||
}
|
||||
Thread.currentThread().interrupt();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
};
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,321 @@
|
||||
/**
|
||||
* 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.app.launcher;
|
||||
|
||||
import static org.mockito.Mockito.mock;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.ThreadPoolExecutor;
|
||||
|
||||
import junit.framework.Assert;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.mapreduce.MRJobConfig;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.JobId;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.JobState;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskState;
|
||||
import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
|
||||
import org.apache.hadoop.mapreduce.v2.app.AppContext;
|
||||
import org.apache.hadoop.mapreduce.v2.app.MRApp;
|
||||
import org.apache.hadoop.mapreduce.v2.app.job.Job;
|
||||
import org.apache.hadoop.mapreduce.v2.app.job.Task;
|
||||
import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt;
|
||||
import org.apache.hadoop.mapreduce.v2.util.MRBuilderUtils;
|
||||
import org.apache.hadoop.yarn.api.ContainerManager;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationId;
|
||||
import org.apache.hadoop.yarn.api.records.ContainerId;
|
||||
import org.apache.hadoop.yarn.api.records.ContainerToken;
|
||||
import org.apache.hadoop.yarn.util.BuilderUtils;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TestContainerLauncher {
|
||||
|
||||
static final Log LOG = LogFactory
|
||||
.getLog(TestContainerLauncher.class);
|
||||
|
||||
@Test
|
||||
public void testPoolSize() throws InterruptedException {
|
||||
|
||||
ApplicationId appId = BuilderUtils.newApplicationId(12345, 67);
|
||||
ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
|
||||
appId, 3);
|
||||
JobId jobId = MRBuilderUtils.newJobId(appId, 8);
|
||||
TaskId taskId = MRBuilderUtils.newTaskId(jobId, 9, TaskType.MAP);
|
||||
TaskAttemptId taskAttemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0);
|
||||
ContainerId containerId = BuilderUtils.newContainerId(appAttemptId, 10);
|
||||
|
||||
AppContext context = mock(AppContext.class);
|
||||
CustomContainerLauncher containerLauncher = new CustomContainerLauncher(
|
||||
context);
|
||||
containerLauncher.init(new Configuration());
|
||||
containerLauncher.start();
|
||||
|
||||
ThreadPoolExecutor threadPool = containerLauncher.getThreadPool();
|
||||
|
||||
// No events yet
|
||||
Assert.assertEquals(0, threadPool.getPoolSize());
|
||||
Assert.assertEquals(ContainerLauncherImpl.INITIAL_POOL_SIZE,
|
||||
threadPool.getCorePoolSize());
|
||||
Assert.assertNull(containerLauncher.foundErrors);
|
||||
|
||||
containerLauncher.expectedCorePoolSize = ContainerLauncherImpl.INITIAL_POOL_SIZE;
|
||||
for (int i = 0; i < 10; i++) {
|
||||
containerLauncher.handle(new ContainerLauncherEvent(taskAttemptId,
|
||||
containerId, "host" + i + ":1234", null,
|
||||
ContainerLauncher.EventType.CONTAINER_REMOTE_LAUNCH));
|
||||
}
|
||||
waitForEvents(containerLauncher, 10);
|
||||
Assert.assertEquals(10, threadPool.getPoolSize());
|
||||
Assert.assertNull(containerLauncher.foundErrors);
|
||||
|
||||
// Same set of hosts, so no change
|
||||
containerLauncher.expectedCorePoolSize = ContainerLauncherImpl.INITIAL_POOL_SIZE;
|
||||
containerLauncher.finishEventHandling = true;
|
||||
for (int i = 0; i < 10; i++) {
|
||||
containerLauncher.handle(new ContainerLauncherEvent(taskAttemptId,
|
||||
containerId, "host" + i + ":1234", null,
|
||||
ContainerLauncher.EventType.CONTAINER_REMOTE_LAUNCH));
|
||||
}
|
||||
waitForEvents(containerLauncher, 20);
|
||||
Assert.assertEquals(10, threadPool.getPoolSize());
|
||||
Assert.assertNull(containerLauncher.foundErrors);
|
||||
|
||||
// Different hosts, there should be an increase in core-thread-pool size to
|
||||
// 21(11hosts+10buffer)
|
||||
// Core pool size should be 21 but the live pool size should be only 11.
|
||||
containerLauncher.expectedCorePoolSize = 12 + ContainerLauncherImpl.INITIAL_POOL_SIZE;
|
||||
for (int i = 1; i <= 2; i++) {
|
||||
containerLauncher.handle(new ContainerLauncherEvent(taskAttemptId,
|
||||
containerId, "host1" + i + ":1234", null,
|
||||
ContainerLauncher.EventType.CONTAINER_REMOTE_LAUNCH));
|
||||
}
|
||||
waitForEvents(containerLauncher, 22);
|
||||
Assert.assertEquals(12, threadPool.getPoolSize());
|
||||
Assert.assertNull(containerLauncher.foundErrors);
|
||||
|
||||
containerLauncher.stop();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testPoolLimits() throws InterruptedException {
|
||||
ApplicationId appId = BuilderUtils.newApplicationId(12345, 67);
|
||||
ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
|
||||
appId, 3);
|
||||
JobId jobId = MRBuilderUtils.newJobId(appId, 8);
|
||||
TaskId taskId = MRBuilderUtils.newTaskId(jobId, 9, TaskType.MAP);
|
||||
TaskAttemptId taskAttemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0);
|
||||
ContainerId containerId = BuilderUtils.newContainerId(appAttemptId, 10);
|
||||
|
||||
AppContext context = mock(AppContext.class);
|
||||
CustomContainerLauncher containerLauncher = new CustomContainerLauncher(
|
||||
context);
|
||||
Configuration conf = new Configuration();
|
||||
conf.setInt(MRJobConfig.MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT, 12);
|
||||
containerLauncher.init(conf);
|
||||
containerLauncher.start();
|
||||
|
||||
ThreadPoolExecutor threadPool = containerLauncher.getThreadPool();
|
||||
|
||||
// 10 different hosts
|
||||
containerLauncher.expectedCorePoolSize = ContainerLauncherImpl.INITIAL_POOL_SIZE;
|
||||
for (int i = 0; i < 10; i++) {
|
||||
containerLauncher.handle(new ContainerLauncherEvent(taskAttemptId,
|
||||
containerId, "host" + i + ":1234", null,
|
||||
ContainerLauncher.EventType.CONTAINER_REMOTE_LAUNCH));
|
||||
}
|
||||
waitForEvents(containerLauncher, 10);
|
||||
Assert.assertEquals(10, threadPool.getPoolSize());
|
||||
Assert.assertNull(containerLauncher.foundErrors);
|
||||
|
||||
// 4 more different hosts, but thread pool size should be capped at 12
|
||||
containerLauncher.expectedCorePoolSize = 12 ;
|
||||
for (int i = 1; i <= 4; i++) {
|
||||
containerLauncher.handle(new ContainerLauncherEvent(taskAttemptId,
|
||||
containerId, "host1" + i + ":1234", null,
|
||||
ContainerLauncher.EventType.CONTAINER_REMOTE_LAUNCH));
|
||||
}
|
||||
waitForEvents(containerLauncher, 12);
|
||||
Assert.assertEquals(12, threadPool.getPoolSize());
|
||||
Assert.assertNull(containerLauncher.foundErrors);
|
||||
|
||||
// Make some threads ideal so that remaining events are also done.
|
||||
containerLauncher.finishEventHandling = true;
|
||||
waitForEvents(containerLauncher, 14);
|
||||
Assert.assertEquals(12, threadPool.getPoolSize());
|
||||
Assert.assertNull(containerLauncher.foundErrors);
|
||||
|
||||
containerLauncher.stop();
|
||||
}
|
||||
|
||||
private void waitForEvents(CustomContainerLauncher containerLauncher,
|
||||
int expectedNumEvents) throws InterruptedException {
|
||||
int timeOut = 20;
|
||||
while (expectedNumEvents != containerLauncher.numEventsProcessed
|
||||
|| timeOut++ < 20) {
|
||||
LOG.info("Waiting for number of events to become " + expectedNumEvents
|
||||
+ ". It is now " + containerLauncher.numEventsProcessed);
|
||||
Thread.sleep(1000);
|
||||
}
|
||||
Assert
|
||||
.assertEquals(expectedNumEvents, containerLauncher.numEventsProcessed);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSlowNM() throws Exception {
|
||||
test(false);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSlowNMWithInterruptsSwallowed() throws Exception {
|
||||
test(true);
|
||||
}
|
||||
|
||||
private void test(boolean swallowInterrupts) throws Exception {
|
||||
|
||||
MRApp app = new MRAppWithSlowNM(swallowInterrupts);
|
||||
|
||||
Configuration conf = new Configuration();
|
||||
int maxAttempts = 1;
|
||||
conf.setInt(MRJobConfig.MAP_MAX_ATTEMPTS, maxAttempts);
|
||||
conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, false);
|
||||
|
||||
// Set low timeout for NM commands
|
||||
conf.setInt(ContainerLauncher.MR_AM_NM_COMMAND_TIMEOUT, 3000);
|
||||
|
||||
Job job = app.submit(conf);
|
||||
app.waitForState(job, JobState.RUNNING);
|
||||
|
||||
Map<TaskId, Task> tasks = job.getTasks();
|
||||
Assert.assertEquals("Num tasks is not correct", 1, tasks.size());
|
||||
|
||||
Task task = tasks.values().iterator().next();
|
||||
app.waitForState(task, TaskState.SCHEDULED);
|
||||
|
||||
Map<TaskAttemptId, TaskAttempt> attempts = tasks.values().iterator()
|
||||
.next().getAttempts();
|
||||
Assert.assertEquals("Num attempts is not correct", maxAttempts, attempts
|
||||
.size());
|
||||
|
||||
TaskAttempt attempt = attempts.values().iterator().next();
|
||||
app.waitForState(attempt, TaskAttemptState.ASSIGNED);
|
||||
|
||||
app.waitForState(job, JobState.FAILED);
|
||||
|
||||
String diagnostics = attempt.getDiagnostics().toString();
|
||||
LOG.info("attempt.getDiagnostics: " + diagnostics);
|
||||
if (swallowInterrupts) {
|
||||
Assert.assertEquals("[Container launch failed for "
|
||||
+ "container_0_0000_01_000000 : Start-container for "
|
||||
+ "container_0_0000_01_000000 got interrupted. Returning.]",
|
||||
diagnostics);
|
||||
} else {
|
||||
Assert.assertTrue(diagnostics.contains("Container launch failed for "
|
||||
+ "container_0_0000_01_000000 : "));
|
||||
Assert.assertTrue(diagnostics
|
||||
.contains(": java.lang.InterruptedException"));
|
||||
}
|
||||
|
||||
app.stop();
|
||||
}
|
||||
|
||||
private final class CustomContainerLauncher extends ContainerLauncherImpl {
|
||||
|
||||
private volatile int expectedCorePoolSize = 0;
|
||||
private volatile int numEventsProcessed = 0;
|
||||
private volatile String foundErrors = null;
|
||||
private volatile boolean finishEventHandling;
|
||||
private CustomContainerLauncher(AppContext context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
public ThreadPoolExecutor getThreadPool() {
|
||||
return super.launcherPool;
|
||||
}
|
||||
|
||||
protected ContainerLauncherImpl.EventProcessor createEventProcessor(
|
||||
ContainerLauncherEvent event) {
|
||||
// At this point of time, the EventProcessor is being created and so no
|
||||
// additional threads would have been created.
|
||||
|
||||
// Core-pool-size should have increased by now.
|
||||
if (expectedCorePoolSize != launcherPool.getCorePoolSize()) {
|
||||
foundErrors = "Expected " + expectedCorePoolSize + " but found "
|
||||
+ launcherPool.getCorePoolSize();
|
||||
}
|
||||
|
||||
return new ContainerLauncherImpl.EventProcessor(event) {
|
||||
@Override
|
||||
public void run() {
|
||||
// do nothing substantial
|
||||
numEventsProcessed++;
|
||||
// Stall
|
||||
synchronized(this) {
|
||||
try {
|
||||
while(!finishEventHandling) {
|
||||
wait(1000);
|
||||
}
|
||||
} catch (InterruptedException e) {
|
||||
;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
private static class MRAppWithSlowNM extends MRApp {
|
||||
|
||||
final boolean swallowInterrupts;
|
||||
|
||||
public MRAppWithSlowNM(boolean swallowInterrupts) {
|
||||
super(1, 0, false, "TestContainerLauncher", true);
|
||||
this.swallowInterrupts = swallowInterrupts;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected ContainerLauncher createContainerLauncher(AppContext context) {
|
||||
return new ContainerLauncherImpl(context) {
|
||||
@Override
|
||||
protected ContainerManager getCMProxy(ContainerId containerID,
|
||||
String containerManagerBindAddr, ContainerToken containerToken)
|
||||
throws IOException {
|
||||
try {
|
||||
synchronized (this) {
|
||||
wait(); // Just hang the thread simulating a very slow NM.
|
||||
}
|
||||
} catch (InterruptedException e) {
|
||||
LOG.info(e);
|
||||
if (!MRAppWithSlowNM.this.swallowInterrupts) {
|
||||
throw new IOException(e);
|
||||
}
|
||||
Thread.currentThread().interrupt();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
};
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -27,6 +27,7 @@
|
||||
import java.io.InputStream;
|
||||
import java.io.InputStreamReader;
|
||||
import java.net.URI;
|
||||
import java.net.URL;
|
||||
import java.util.Arrays;
|
||||
import java.util.HashMap;
|
||||
import java.util.Iterator;
|
||||
@ -181,23 +182,31 @@ private static void setMRFrameworkClasspath(
|
||||
String mrAppGeneratedClasspathFile = "mrapp-generated-classpath";
|
||||
classpathFileStream =
|
||||
thisClassLoader.getResourceAsStream(mrAppGeneratedClasspathFile);
|
||||
// Put the file itself on classpath for tasks.
|
||||
String classpathElement = thisClassLoader.getResource(mrAppGeneratedClasspathFile).getFile();
|
||||
if (classpathElement.contains("!")) {
|
||||
classpathElement = classpathElement.substring(0, classpathElement.indexOf("!"));
|
||||
}
|
||||
else {
|
||||
classpathElement = new File(classpathElement).getParent();
|
||||
}
|
||||
Apps.addToEnvironment(
|
||||
environment,
|
||||
Environment.CLASSPATH.name(), classpathElement);
|
||||
|
||||
reader = new BufferedReader(new InputStreamReader(classpathFileStream));
|
||||
String cp = reader.readLine();
|
||||
if (cp != null) {
|
||||
Apps.addToEnvironment(environment, Environment.CLASSPATH.name(), cp.trim());
|
||||
}
|
||||
// Put the file itself on classpath for tasks.
|
||||
URL classpathResource = thisClassLoader
|
||||
.getResource(mrAppGeneratedClasspathFile);
|
||||
if (classpathResource != null) {
|
||||
String classpathElement = classpathResource.getFile();
|
||||
if (classpathElement.contains("!")) {
|
||||
classpathElement = classpathElement.substring(0,
|
||||
classpathElement.indexOf("!"));
|
||||
} else {
|
||||
classpathElement = new File(classpathElement).getParent();
|
||||
}
|
||||
Apps.addToEnvironment(environment, Environment.CLASSPATH.name(),
|
||||
classpathElement);
|
||||
}
|
||||
|
||||
if (classpathFileStream != null) {
|
||||
reader = new BufferedReader(new InputStreamReader(classpathFileStream));
|
||||
String cp = reader.readLine();
|
||||
if (cp != null) {
|
||||
Apps.addToEnvironment(environment, Environment.CLASSPATH.name(),
|
||||
cp.trim());
|
||||
}
|
||||
}
|
||||
|
||||
// Add standard Hadoop classes
|
||||
for (String c : ApplicationConstants.APPLICATION_CLASSPATH) {
|
||||
Apps.addToEnvironment(environment, Environment.CLASSPATH.name(), c);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user