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YARN-1366. Changed AMRMClient to re-register with RM and send outstanding requests back to RM on work-preserving RM restart. Contributed by Rohith 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1609254 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jian He 2014-07-09 18:25:45 +00:00
parent ce0d636cce
commit d751a61e5a
8 changed files with 622 additions and 49 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -75,6 +75,9 @@ Release 2.5.0 - UNRELEASED
YARN-1367. Changed NM to not kill containers on NM resync if RM work-preserving
restart is enabled. (Anubhav Dhoot via jianhe)
YARN-1366. Changed AMRMClient to re-register with RM and send outstanding requests
back to RM on work-preserving RM restart. (Rohith via jianhe)
IMPROVEMENTS
YARN-1479. Invalid NaN values in Hadoop REST API JSON response (Chen He via

6
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/pom.xml
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@ -105,6 +105,12 @@
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-yarn-common</artifactId>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-yarn-common</artifactId>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<!-- 'mvn dependency:analyze' fails to detect use of this dependency -->
<dependency>
<groupId>org.apache.hadoop</groupId>

19
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AMRMClient.java
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@ -209,12 +209,19 @@ public abstract class AMRMClient<T extends AMRMClient.ContainerRequest> extends
* Request additional containers and receive new container allocations.
* Requests made via <code>addContainerRequest</code> are sent to the
* <code>ResourceManager</code>. New containers assigned to the master are
* retrieved. Status of completed containers and node health updates are
* also retrieved.
* This also doubles up as a heartbeat to the ResourceManager and must be
* made periodically.
* The call may not always return any new allocations of containers.
* App should not make concurrent allocate requests. May cause request loss.
* retrieved. Status of completed containers and node health updates are also
* retrieved. This also doubles up as a heartbeat to the ResourceManager and
* must be made periodically. The call may not always return any new
* allocations of containers. App should not make concurrent allocate
* requests. May cause request loss.
*
* <p>
* Note : If the user has not removed container requests that have already
* been satisfied, then the re-register may end up sending the entire
* container requests to the RM (including matched requests). Which would mean
* the RM could end up giving it a lot of new allocated containers.
* </p>
*
* @param progressIndicator Indicates progress made by the master
* @return the response of the allocate request
* @throws YarnException

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/async/impl/AMRMClientAsyncImpl.java
View File

@ -234,8 +234,7 @@ extends AMRMClientAsync<T> {
while (true) {
try {
responseQueue.put(response);
if (response.getAMCommand() == AMCommand.AM_RESYNC
|| response.getAMCommand() == AMCommand.AM_SHUTDOWN) {
if (response.getAMCommand() == AMCommand.AM_SHUTDOWN) {
return;
}
break;
@ -280,7 +279,6 @@ extends AMRMClientAsync<T> {
if (response.getAMCommand() != null) {
switch(response.getAMCommand()) {
case AM_RESYNC:
case AM_SHUTDOWN:
handler.onShutdownRequest();
LOG.info("Shutdown requested. Stopping callback.");

78
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/impl/AMRMClientImpl.java
View File

@ -47,7 +47,9 @@ import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
import org.apache.hadoop.yarn.api.records.AMCommand;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.NMToken;
import org.apache.hadoop.yarn.api.records.Priority;
@ -59,6 +61,7 @@ import org.apache.hadoop.yarn.client.api.AMRMClient;
import org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest;
import org.apache.hadoop.yarn.client.api.InvalidContainerRequestException;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.util.RackResolver;
@ -77,10 +80,18 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
private int lastResponseId = 0;
protected String appHostName;
protected int appHostPort;
protected String appTrackingUrl;
protected ApplicationMasterProtocol rmClient;
protected Resource clusterAvailableResources;
protected int clusterNodeCount;
// blacklistedNodes is required for keeping history of blacklisted nodes that
// are sent to RM. On RESYNC command from RM, blacklistedNodes are used to get
// current blacklisted nodes and send back to RM.
protected final Set<String> blacklistedNodes = new HashSet<String>();
protected final Set<String> blacklistAdditions = new HashSet<String>();
protected final Set<String> blacklistRemovals = new HashSet<String>();
@ -150,6 +161,10 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
protected final Set<ResourceRequest> ask = new TreeSet<ResourceRequest>(
new org.apache.hadoop.yarn.api.records.ResourceRequest.ResourceRequestComparator());
protected final Set<ContainerId> release = new TreeSet<ContainerId>();
// pendingRelease holds history or release requests.request is removed only if
// RM sends completedContainer.
// How it different from release? --> release is for per allocate() request.
protected Set<ContainerId> pendingRelease = new TreeSet<ContainerId>();
public AMRMClientImpl() {
super(AMRMClientImpl.class.getName());
@ -185,19 +200,27 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
public RegisterApplicationMasterResponse registerApplicationMaster(
String appHostName, int appHostPort, String appTrackingUrl)
throws YarnException, IOException {
this.appHostName = appHostName;
this.appHostPort = appHostPort;
this.appTrackingUrl = appTrackingUrl;
Preconditions.checkArgument(appHostName != null,
"The host name should not be null");
Preconditions.checkArgument(appHostPort >= -1, "Port number of the host"
+ " should be any integers larger than or equal to -1");
// do this only once ???
return registerApplicationMaster();
}
private RegisterApplicationMasterResponse registerApplicationMaster()
throws YarnException, IOException {
RegisterApplicationMasterRequest request =
RegisterApplicationMasterRequest.newInstance(appHostName, appHostPort,
appTrackingUrl);
RegisterApplicationMasterRequest.newInstance(this.appHostName,
this.appHostPort, this.appTrackingUrl);
RegisterApplicationMasterResponse response =
rmClient.registerApplicationMaster(request);
synchronized (this) {
if(!response.getNMTokensFromPreviousAttempts().isEmpty()) {
lastResponseId = 0;
if (!response.getNMTokensFromPreviousAttempts().isEmpty()) {
populateNMTokens(response.getNMTokensFromPreviousAttempts());
}
}
@ -249,6 +272,25 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
}
allocateResponse = rmClient.allocate(allocateRequest);
if (isResyncCommand(allocateResponse)) {
LOG.warn("ApplicationMaster is out of sync with ResourceManager,"
+ " hence resyncing.");
synchronized (this) {
release.addAll(this.pendingRelease);
blacklistAdditions.addAll(this.blacklistedNodes);
for (Map<String, TreeMap<Resource, ResourceRequestInfo>> rr : remoteRequestsTable
.values()) {
for (Map<Resource, ResourceRequestInfo> capabalities : rr.values()) {
for (ResourceRequestInfo request : capabalities.values()) {
addResourceRequestToAsk(request.remoteRequest);
}
}
}
}
// re register with RM
registerApplicationMaster();
return allocate(progressIndicator);
}
synchronized (this) {
// update these on successful RPC
@ -258,6 +300,11 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
if (!allocateResponse.getNMTokens().isEmpty()) {
populateNMTokens(allocateResponse.getNMTokens());
}
if (!pendingRelease.isEmpty()
&& !allocateResponse.getCompletedContainersStatuses().isEmpty()) {
removePendingReleaseRequests(allocateResponse
.getCompletedContainersStatuses());
}
}
} finally {
// TODO how to differentiate remote yarn exception vs error in rpc
@ -288,6 +335,18 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
return allocateResponse;
}
protected void removePendingReleaseRequests(
List<ContainerStatus> completedContainersStatuses) {
for (ContainerStatus containerStatus : completedContainersStatuses) {
pendingRelease.remove(containerStatus.getContainerId());
}
}
private boolean isResyncCommand(AllocateResponse allocateResponse) {
return allocateResponse.getAMCommand() != null
&& allocateResponse.getAMCommand() == AMCommand.AM_RESYNC;
}
@Private
@VisibleForTesting
protected void populateNMTokens(List<NMToken> nmTokens) {
@ -324,6 +383,12 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
} catch (InterruptedException e) {
LOG.info("Interrupted while waiting for application"
+ " to be removed from RMStateStore");
} catch (ApplicationMasterNotRegisteredException e) {
LOG.warn("ApplicationMaster is out of sync with ResourceManager,"
+ " hence resyncing.");
// re register with RM
registerApplicationMaster();
unregisterApplicationMaster(appStatus, appMessage, appTrackingUrl);
}
}
@ -414,6 +479,7 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
public synchronized void releaseAssignedContainer(ContainerId containerId) {
Preconditions.checkArgument(containerId != null,
"ContainerId can not be null.");
pendingRelease.add(containerId);
release.add(containerId);
}
@ -655,6 +721,7 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
if (blacklistAdditions != null) {
this.blacklistAdditions.addAll(blacklistAdditions);
this.blacklistedNodes.addAll(blacklistAdditions);
// if some resources are also in blacklistRemovals updated before, we
// should remove them here.
this.blacklistRemovals.removeAll(blacklistAdditions);
@ -662,6 +729,7 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
if (blacklistRemovals != null) {
this.blacklistRemovals.addAll(blacklistRemovals);
this.blacklistedNodes.removeAll(blacklistRemovals);
// if some resources are in blacklistAdditions before, we should remove
// them here.
this.blacklistAdditions.removeAll(blacklistRemovals);

33
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/async/impl/TestAMRMClientAsync.java
View File

@ -203,39 +203,6 @@ public class TestAMRMClientAsync {
Assert.assertTrue(callbackHandler.callbackCount == 0);
}
@Test//(timeout=10000)
public void testAMRMClientAsyncReboot() throws Exception {
Configuration conf = new Configuration();
TestCallbackHandler callbackHandler = new TestCallbackHandler();
@SuppressWarnings("unchecked")
AMRMClient<ContainerRequest> client = mock(AMRMClientImpl.class);
final AllocateResponse rebootResponse = createAllocateResponse(
new ArrayList<ContainerStatus>(), new ArrayList<Container>(), null);
rebootResponse.setAMCommand(AMCommand.AM_RESYNC);
when(client.allocate(anyFloat())).thenReturn(rebootResponse);
AMRMClientAsync<ContainerRequest> asyncClient =
AMRMClientAsync.createAMRMClientAsync(client, 20, callbackHandler);
asyncClient.init(conf);
asyncClient.start();
synchronized (callbackHandler.notifier) {
asyncClient.registerApplicationMaster("localhost", 1234, null);
while(callbackHandler.reboot == false) {
try {
callbackHandler.notifier.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
asyncClient.stop();
// stopping should have joined all threads and completed all callbacks
Assert.assertTrue(callbackHandler.callbackCount == 0);
}
@Test (timeout = 10000)
public void testAMRMClientAsyncShutDown() throws Exception {
Configuration conf = new Configuration();

499
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClientOnRMRestart.java Normal file
View File

@ -0,0 +1,499 @@
/**
* 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.yarn.client.api.impl;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.net.NetworkTopology;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
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.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.client.api.AMRMClient;
import org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
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.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.server.api.protocolrecords.NMContainerStatus;
import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
import org.apache.hadoop.yarn.server.api.records.NodeAction;
import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestAMRMClientOnRMRestart {
static Configuration conf = null;
@BeforeClass
public static void setup() throws Exception {
conf = new Configuration();
conf.set(YarnConfiguration.RECOVERY_ENABLED, "true");
conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, true);
}
// Test does major 6 steps verification.
// Step-1 : AMRMClient send allocate request for 2 container requests
// Step-2 : 2 containers are allocated by RM.
// Step-3 : AM Send 1 containerRequest(cRequest3) and 1 releaseRequests to
// RM
// Step-4 : On RM restart, AM(does not know RM is restarted) sends additional
// containerRequest(cRequest4) and blacklisted nodes.
// Intern RM send resync command
// Step-5 : Allocater after resync command & new containerRequest(cRequest5)
// Step-6 : RM allocates containers i.e cRequest3,cRequest4 and cRequest5
@Test(timeout = 60000)
public void testAMRMClientResendsRequestsOnRMRestart() throws Exception {
UserGroupInformation.setLoginUser(null);
MemoryRMStateStore memStore = new MemoryRMStateStore();
memStore.init(conf);
// Phase-1 Start 1st RM
MyResourceManager rm1 = new MyResourceManager(conf, memStore);
rm1.start();
DrainDispatcher dispatcher =
(DrainDispatcher) rm1.getRMContext().getDispatcher();
// Submit the application
RMApp app = rm1.submitApp(1024);
dispatcher.await();
MockNM nm1 = new MockNM("h1:1234", 15120, rm1.getResourceTrackerService());
nm1.registerNode();
nm1.nodeHeartbeat(true); // Node heartbeat
dispatcher.await();
ApplicationAttemptId appAttemptId =
app.getCurrentAppAttempt().getAppAttemptId();
rm1.sendAMLaunched(appAttemptId);
dispatcher.await();
org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> token =
rm1.getRMContext().getRMApps().get(appAttemptId.getApplicationId())
.getRMAppAttempt(appAttemptId).getAMRMToken();
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
ugi.addTokenIdentifier(token.decodeIdentifier());
// Step-1 : AMRMClient send allocate request for 2 ContainerRequest
// cRequest1 = h1 and cRequest2 = h1,h2
// blacklisted nodes = h2
AMRMClient<ContainerRequest> amClient = new MyAMRMClientImpl(rm1);
amClient.init(conf);
amClient.start();
amClient.registerApplicationMaster("Host", 10000, "");
ContainerRequest cRequest1 = createReq(1, 1024, new String[] { "h1" });
amClient.addContainerRequest(cRequest1);
ContainerRequest cRequest2 =
createReq(1, 1024, new String[] { "h1", "h2" });
amClient.addContainerRequest(cRequest2);
List<String> blacklistAdditions = new ArrayList<String>();
List<String> blacklistRemoval = new ArrayList<String>();
blacklistAdditions.add("h2");
blacklistRemoval.add("h10");
amClient.updateBlacklist(blacklistAdditions, blacklistRemoval);
blacklistAdditions.remove("h2");// remove from local list
AllocateResponse allocateResponse = amClient.allocate(0.1f);
dispatcher.await();
Assert.assertEquals("No of assignments must be 0", 0, allocateResponse
.getAllocatedContainers().size());
// Why 4 ask, why not 3 ask even h2 is blacklisted?
// On blacklisting host,applicationmaster has to remove ask request from
// remoterequest table.Here,test does not remove explicitely
assertAsksAndReleases(4, 0, rm1);
assertBlacklistAdditionsAndRemovals(1, 1, rm1);
// Step-2 : NM heart beat is sent.
// On 2nd AM allocate request, RM allocates 2 containers to AM
nm1.nodeHeartbeat(true); // Node heartbeat
dispatcher.await();
allocateResponse = amClient.allocate(0.2f);
dispatcher.await();
// 2 containers are allocated i.e for cRequest1 and cRequest2.
Assert.assertEquals("No of assignments must be 0", 2, allocateResponse
.getAllocatedContainers().size());
assertAsksAndReleases(0, 0, rm1);
assertBlacklistAdditionsAndRemovals(0, 0, rm1);
List<Container> allocatedContainers =
allocateResponse.getAllocatedContainers();
// removed allocated container requests
amClient.removeContainerRequest(cRequest1);
amClient.removeContainerRequest(cRequest2);
allocateResponse = amClient.allocate(0.2f);
dispatcher.await();
Assert.assertEquals("No of assignments must be 0", 0, allocateResponse
.getAllocatedContainers().size());
assertAsksAndReleases(4, 0, rm1);
assertBlacklistAdditionsAndRemovals(0, 0, rm1);
// Step-3 : Send 1 containerRequest and 1 releaseRequests to RM
ContainerRequest cRequest3 = createReq(1, 1024, new String[] { "h1" });
amClient.addContainerRequest(cRequest3);
int pendingRelease = 0;
Iterator<Container> it = allocatedContainers.iterator();
while (it.hasNext()) {
amClient.releaseAssignedContainer(it.next().getId());
pendingRelease++;
it.remove();
break;// remove one container
}
allocateResponse = amClient.allocate(0.3f);
dispatcher.await();
Assert.assertEquals("No of assignments must be 0", 0, allocateResponse
.getAllocatedContainers().size());
assertAsksAndReleases(3, pendingRelease, rm1);
assertBlacklistAdditionsAndRemovals(0, 0, rm1);
int completedContainer =
allocateResponse.getCompletedContainersStatuses().size();
pendingRelease -= completedContainer;
// Phase-2 start 2nd RM is up
MyResourceManager rm2 = new MyResourceManager(conf, memStore);
rm2.start();
nm1.setResourceTrackerService(rm2.getResourceTrackerService());
((MyAMRMClientImpl) amClient).updateRMProxy(rm2);
dispatcher = (DrainDispatcher) rm2.getRMContext().getDispatcher();
// NM should be rebooted on heartbeat, even first heartbeat for nm2
NodeHeartbeatResponse hbResponse = nm1.nodeHeartbeat(true);
Assert.assertEquals(NodeAction.RESYNC, hbResponse.getNodeAction());
// new NM to represent NM re-register
nm1 = new MockNM("h1:1234", 10240, rm2.getResourceTrackerService());
nm1.registerNode();
nm1.nodeHeartbeat(true);
dispatcher.await();
blacklistAdditions.add("h3");
amClient.updateBlacklist(blacklistAdditions, null);
blacklistAdditions.remove("h3");
it = allocatedContainers.iterator();
while (it.hasNext()) {
amClient.releaseAssignedContainer(it.next().getId());
pendingRelease++;
it.remove();
}
ContainerRequest cRequest4 =
createReq(1, 1024, new String[] { "h1", "h2" });
amClient.addContainerRequest(cRequest4);
// Step-4 : On RM restart, AM(does not know RM is restarted) sends
// additional
// containerRequest and blacklisted nodes.
// Intern RM send resync command,AMRMClient resend allocate request
allocateResponse = amClient.allocate(0.3f);
dispatcher.await();
completedContainer =
allocateResponse.getCompletedContainersStatuses().size();
pendingRelease -= completedContainer;
assertAsksAndReleases(4, pendingRelease, rm2);
assertBlacklistAdditionsAndRemovals(2, 0, rm2);
ContainerRequest cRequest5 =
createReq(1, 1024, new String[] { "h1", "h2", "h3" });
amClient.addContainerRequest(cRequest5);
// Step-5 : Allocater after resync command
allocateResponse = amClient.allocate(0.5f);
dispatcher.await();
Assert.assertEquals("No of assignments must be 0", 0, allocateResponse
.getAllocatedContainers().size());
assertAsksAndReleases(5, 0, rm2);
assertBlacklistAdditionsAndRemovals(0, 0, rm2);
int noAssignedContainer = 0;
int count = 5;
while (count-- > 0) {
nm1.nodeHeartbeat(true);
dispatcher.await();
allocateResponse = amClient.allocate(0.5f);
dispatcher.await();
noAssignedContainer += allocateResponse.getAllocatedContainers().size();
if (noAssignedContainer == 3) {
break;
}
Thread.sleep(1000);
}
// Step-6 : RM allocates containers i.e cRequest3,cRequest4 and cRequest5
Assert.assertEquals("Number of container should be 3", 3,
noAssignedContainer);
amClient.stop();
rm1.stop();
rm2.stop();
}
// Test verify for
// 1. AM try to unregister without registering
// 2. AM register to RM, and try to unregister immediately after RM restart
@Test(timeout = 60000)
public void testAMRMClientForUnregisterAMOnRMRestart() throws Exception {
MemoryRMStateStore memStore = new MemoryRMStateStore();
memStore.init(conf);
// Phase-1 Start 1st RM
MyResourceManager rm1 = new MyResourceManager(conf, memStore);
rm1.start();
DrainDispatcher dispatcher =
(DrainDispatcher) rm1.getRMContext().getDispatcher();
// Submit the application
RMApp app = rm1.submitApp(1024);
dispatcher.await();
MockNM nm1 = new MockNM("h1:1234", 15120, rm1.getResourceTrackerService());
nm1.registerNode();
nm1.nodeHeartbeat(true); // Node heartbeat
dispatcher.await();
ApplicationAttemptId appAttemptId =
app.getCurrentAppAttempt().getAppAttemptId();
rm1.sendAMLaunched(appAttemptId);
dispatcher.await();
org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> token =
rm1.getRMContext().getRMApps().get(appAttemptId.getApplicationId())
.getRMAppAttempt(appAttemptId).getAMRMToken();
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
ugi.addTokenIdentifier(token.decodeIdentifier());
AMRMClient<ContainerRequest> amClient = new MyAMRMClientImpl(rm1);
amClient.init(conf);
amClient.start();
amClient.registerApplicationMaster("h1", 10000, "");
amClient.allocate(0.1f);
// Phase-2 start 2nd RM is up
MyResourceManager rm2 = new MyResourceManager(conf, memStore);
rm2.start();
nm1.setResourceTrackerService(rm2.getResourceTrackerService());
((MyAMRMClientImpl) amClient).updateRMProxy(rm2);
dispatcher = (DrainDispatcher) rm2.getRMContext().getDispatcher();
// NM should be rebooted on heartbeat, even first heartbeat for nm2
NodeHeartbeatResponse hbResponse = nm1.nodeHeartbeat(true);
Assert.assertEquals(NodeAction.RESYNC, hbResponse.getNodeAction());
// new NM to represent NM re-register
nm1 = new MockNM("h1:1234", 10240, rm2.getResourceTrackerService());
ContainerId containerId = ContainerId.newInstance(appAttemptId, 1);
NMContainerStatus containerReport =
NMContainerStatus.newInstance(containerId, ContainerState.RUNNING,
Resource.newInstance(1024, 1), "recover container", 0,
Priority.newInstance(0), 0);
nm1.registerNode(Arrays.asList(containerReport), null);
nm1.nodeHeartbeat(true);
dispatcher.await();
amClient.unregisterApplicationMaster(FinalApplicationStatus.SUCCEEDED,
null, null);
rm2.waitForState(appAttemptId, RMAppAttemptState.FINISHING);
nm1.nodeHeartbeat(appAttemptId, 1, ContainerState.COMPLETE);
rm2.waitForState(appAttemptId, RMAppAttemptState.FINISHED);
rm2.waitForState(app.getApplicationId(), RMAppState.FINISHED);
amClient.stop();
rm1.stop();
rm2.stop();
}
private static class MyFifoScheduler extends FifoScheduler {
public MyFifoScheduler(RMContext rmContext) {
super();
try {
Configuration conf = new Configuration();
reinitialize(conf, rmContext);
} catch (IOException ie) {
assert (false);
}
}
List<ResourceRequest> lastAsk = null;
List<ContainerId> lastRelease = null;
List<String> lastBlacklistAdditions;
List<String> lastBlacklistRemovals;
// override this to copy the objects otherwise FifoScheduler updates the
// numContainers in same objects as kept by RMContainerAllocator
@Override
public synchronized Allocation allocate(
ApplicationAttemptId applicationAttemptId, List<ResourceRequest> ask,
List<ContainerId> release, List<String> blacklistAdditions,
List<String> blacklistRemovals) {
List<ResourceRequest> askCopy = new ArrayList<ResourceRequest>();
for (ResourceRequest req : ask) {
ResourceRequest reqCopy =
ResourceRequest.newInstance(req.getPriority(),
req.getResourceName(), req.getCapability(),
req.getNumContainers(), req.getRelaxLocality());
askCopy.add(reqCopy);
}
lastAsk = ask;
lastRelease = release;
lastBlacklistAdditions = blacklistAdditions;
lastBlacklistRemovals = blacklistRemovals;
return super.allocate(applicationAttemptId, askCopy, release,
blacklistAdditions, blacklistRemovals);
}
}
private static class MyResourceManager extends MockRM {
private static long fakeClusterTimeStamp = System.currentTimeMillis();
public MyResourceManager(Configuration conf, RMStateStore store) {
super(conf, store);
}
@Override
public void serviceStart() throws Exception {
super.serviceStart();
// Ensure that the application attempt IDs for all the tests are the same
// The application attempt IDs will be used as the login user names
MyResourceManager.setClusterTimeStamp(fakeClusterTimeStamp);
}
@Override
protected Dispatcher createDispatcher() {
return new DrainDispatcher();
}
@Override
protected EventHandler<SchedulerEvent> createSchedulerEventDispatcher() {
// Dispatch inline for test sanity
return new EventHandler<SchedulerEvent>() {
@Override
public void handle(SchedulerEvent event) {
scheduler.handle(event);
}
};
}
@Override
protected ResourceScheduler createScheduler() {
return new MyFifoScheduler(this.getRMContext());
}
MyFifoScheduler getMyFifoScheduler() {
return (MyFifoScheduler) scheduler;
}
}
private static class MyAMRMClientImpl extends
AMRMClientImpl<ContainerRequest> {
private MyResourceManager rm;
public MyAMRMClientImpl(MyResourceManager rm) {
this.rm = rm;
}
@Override
protected void serviceInit(Configuration conf) throws Exception {
super.serviceInit(conf);
}
@Override
protected void serviceStart() throws Exception {
this.rmClient = this.rm.getApplicationMasterService();
}
@Override
protected void serviceStop() throws Exception {
rmClient = null;
super.serviceStop();
}
public void updateRMProxy(MyResourceManager rm) {
rmClient = rm.getApplicationMasterService();
}
}
private static void assertBlacklistAdditionsAndRemovals(
int expectedAdditions, int expectedRemovals, MyResourceManager rm) {
Assert.assertEquals(expectedAdditions,
rm.getMyFifoScheduler().lastBlacklistAdditions.size());
Assert.assertEquals(expectedRemovals,
rm.getMyFifoScheduler().lastBlacklistRemovals.size());
}
private static void assertAsksAndReleases(int expectedAsk,
int expectedRelease, MyResourceManager rm) {
Assert.assertEquals(expectedAsk, rm.getMyFifoScheduler().lastAsk.size());
Assert.assertEquals(expectedRelease,
rm.getMyFifoScheduler().lastRelease.size());
}
private ContainerRequest createReq(int priority, int memory, String[] hosts) {
Resource capability = Resource.newInstance(memory, 1);
Priority priorityOfContainer = Priority.newInstance(priority);
return new ContainerRequest(capability, hosts,
new String[] { NetworkTopology.DEFAULT_RACK }, priorityOfContainer);
}
}

25
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/resources/core-site.xml Normal file
View File

@ -0,0 +1,25 @@
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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. See accompanying LICENSE file.
-->
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>hadoop.security.token.service.use_ip</name>
<value>false</value>
</property>
</configuration>