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YARN-245. Fixed NodeManager to handle duplicate responses from ResourceManager. Contributed by Mayank Bansal. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1508157 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2013-07-29 18:15:05 +00:00
parent 65be212675
commit 412e19f8e3
4 changed files with 156 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
hadoop-yarn-project/CHANGES.txt
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@ -760,6 +760,11 @@ Release 2.1.0-beta - 2013-07-02
YARN-960. Fixed ResourceManager to propagate client-submitted credentials
irrespective of security. (Daryn Sharp via vinodkv)
YARN-937. Fix unmanaged AM in non-secure/secure setup post YARN-701. (tucu)
YARN-245. Fixed NodeManager to handle duplicate responses from
ResourceManager. (Mayank Bansal via vinodkv)
BREAKDOWN OF HADOOP-8562/YARN-191 SUBTASKS AND RELATED JIRAS
YARN-158. Yarn creating package-info.java must not depend on sh.
@ -825,8 +830,6 @@ Release 2.1.0-beta - 2013-07-02
YARN-909. Disable TestLinuxContainerExecutorWithMocks on Windows. (Chuan Liu
via cnauroth)
YARN-937. Fix unmanaged AM in non-secure/secure setup post YARN-701. (tucu)
Release 2.0.5-alpha - 06/06/2013
INCOMPATIBLE CHANGES

13
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java
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@ -29,6 +29,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.security.SecurityUtil;
@ -158,7 +159,7 @@ public class NodeManager extends CompositeService
addService(del);
// NodeManager level dispatcher
this.dispatcher = new AsyncDispatcher();
this.dispatcher = (AsyncDispatcher) createDispatcher();
nodeHealthChecker = new NodeHealthCheckerService();
addService(nodeHealthChecker);
@ -203,6 +204,16 @@ public class NodeManager extends CompositeService
// TODO add local dirs to del
}
@Private
protected Dispatcher createDispatcher(){
return new AsyncDispatcher();
}
@Private
public Dispatcher getDispatcher(){
return this.dispatcher;
}
@Override
protected void serviceStart() throws Exception {
try {

8
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeStatusUpdaterImpl.java
View File

@ -369,6 +369,13 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
.setLastKnownNMTokenMasterKey(NodeStatusUpdaterImpl.this.context
.getNMTokenSecretManager().getCurrentKey());
response = resourceTracker.nodeHeartbeat(request);
// Checking if the response id is the same which we just processed
// If yes then ignore the update.
if (lastHeartBeatID != response.getResponseId() - 1) {
LOG.info("Discarding the duplicate response "
+ response.getResponseId());
continue;
}
//get next heartbeat interval from response
nextHeartBeatInterval = response.getNextHeartBeatInterval();
updateMasterKeys(response);
@ -395,7 +402,6 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
new NodeManagerEvent(NodeManagerEventType.RESYNC));
break;
}
lastHeartBeatID = response.getResponseId();
List<ContainerId> containersToCleanup = response
.getContainersToCleanup();

138
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java
View File

@ -59,7 +59,9 @@ import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.client.RMProxy;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.AsyncDispatcher;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.Event;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
@ -431,6 +433,26 @@ public class TestNodeStatusUpdater {
}
}
private class MyNodeManager7 extends NodeManager {
private ResourceTracker resourceTracker;
private MyNodeStatusUpdater3 nodeStatusUpdater;
@Override
protected NodeStatusUpdater createNodeStatusUpdater(Context context,
Dispatcher dispatcher, NodeHealthCheckerService healthChecker) {
this.nodeStatusUpdater =
new MyNodeStatusUpdater3(context, dispatcher, healthChecker, metrics);
resourceTracker = new MyResourceTracker7(context);
this.nodeStatusUpdater.resourceTracker = resourceTracker;
return this.nodeStatusUpdater;
}
protected MyNodeStatusUpdater3 getNodeStatusUpdater() {
return this.nodeStatusUpdater;
}
}
private class MyNodeManager2 extends NodeManager {
public boolean isStopped = false;
private NodeStatusUpdater nodeStatusUpdater;
@ -552,6 +574,68 @@ public class TestNodeStatusUpdater {
}
}
private class MyResourceTracker7 implements ResourceTracker {
public NodeAction heartBeatNodeAction = NodeAction.NORMAL;
public NodeAction registerNodeAction = NodeAction.NORMAL;
private final Context context;
private int lastRequestedHeartBeat = 0;
private boolean gotDuplicateHeartBeatRequest = false;
private ApplicationId appId = BuilderUtils.newApplicationId(1, 1);
MyResourceTracker7(Context context) {
this.context = context;
}
@Override
public RegisterNodeManagerResponse registerNodeManager(
RegisterNodeManagerRequest request) throws YarnException, IOException {
RegisterNodeManagerResponse response =
recordFactory.newRecordInstance(RegisterNodeManagerResponse.class);
response.setNodeAction(registerNodeAction);
response.setContainerTokenMasterKey(createMasterKey());
response.setNMTokenMasterKey(createMasterKey());
return response;
}
@Override
public NodeHeartbeatResponse nodeHeartbeat(NodeHeartbeatRequest request)
throws YarnException, IOException {
if (lastRequestedHeartBeat != 0
&& lastRequestedHeartBeat == request.getNodeStatus().getResponseId()) {
LOG.info("GOT Duplicate heartbeatId "
+ request.getNodeStatus().getResponseId());
gotDuplicateHeartBeatRequest = true;
}
lastRequestedHeartBeat = request.getNodeStatus().getResponseId();
LOG.info("Got heartBeatId: [" + heartBeatID + "]");
NodeStatus nodeStatus = request.getNodeStatus();
nodeStatus.setResponseId(heartBeatID++);
NodeHeartbeatResponse nhResponse =
YarnServerBuilderUtils.newNodeHeartbeatResponse(heartBeatID,
heartBeatNodeAction, null, null, null, null, 1000L);
if (heartBeatID == 5) {
LOG.info("Sending FINISH_APP for application: [" + appId + "]");
this.context.getApplications().put(appId, mock(Application.class));
nhResponse
.addAllApplicationsToCleanup(Collections.singletonList(appId));
}
if (heartBeatID == 6) {
nhResponse.setResponseId(5);
LOG.info("Sending FINISH_APP for application: [" + appId + "]");
this.context.getApplications().put(appId, mock(Application.class));
nhResponse
.addAllApplicationsToCleanup(Collections.singletonList(appId));
}
return nhResponse;
}
public boolean isGotDuplicateHeartBeatRequest() {
return gotDuplicateHeartBeatRequest;
}
}
private class MyResourceTracker4 implements ResourceTracker {
public NodeAction registerNodeAction = NodeAction.NORMAL;
@ -745,7 +829,7 @@ public class TestNodeStatusUpdater {
lfs.delete(new Path(basedir.getPath()), true);
}
@Test
@Test(timeout = 60000)
public void testNMRegistration() throws InterruptedException {
nm = new NodeManager() {
@Override
@ -805,7 +889,7 @@ public class TestNodeStatusUpdater {
nm.stop();
}
@Test
@Test(timeout = 60000)
public void testStopReentrant() throws Exception {
final AtomicInteger numCleanups = new AtomicInteger(0);
nm = new NodeManager() {
@ -851,7 +935,49 @@ public class TestNodeStatusUpdater {
Assert.assertEquals(numCleanups.get(), 1);
}
@Test
@SuppressWarnings("rawtypes")
class MyDispatcher7 extends AsyncDispatcher {
public volatile int finishapp_event;
protected void dispatch(Event event) {
if (event.getType().name()
.equals(ContainerManagerEventType.FINISH_APPS.toString())) {
++finishapp_event;
}
}
}
@Test(timeout = 60000)
public void testDuplicateResponseFromRM() throws Exception {
MyNodeManager7 nm = new MyNodeManager7() {
protected Dispatcher createDispatcher() {
return new MyDispatcher7();
}
};
try {
YarnConfiguration conf = createNMConfig();
conf.setLong(YarnConfiguration.RM_NM_EXPIRY_INTERVAL_MS, 4000l);
nm.init(conf);
nm.start();
MyResourceTracker7 rt =
(MyResourceTracker7) nm.getNodeStatusUpdater().getRMClient();
while (heartBeatID < 7) {
Thread.sleep(1000l);
}
Assert.assertTrue(rt.isGotDuplicateHeartBeatRequest());
MyDispatcher7 nmdispatcher = (MyDispatcher7) nm.getDispatcher();
// We are sending two FINISH_APPS in heartbeat 5 and 6
// Checking we get only one time FINISH_APPS event which is the first one
Assert.assertEquals(1, nmdispatcher.finishapp_event);
} finally {
if (nm.getServiceState() == STATE.STARTED)
nm.stop();
}
}
@Test(timeout = 60000)
public void testNodeDecommision() throws Exception {
nm = getNodeManager(NodeAction.SHUTDOWN);
YarnConfiguration conf = createNMConfig();
@ -898,7 +1024,7 @@ public class TestNodeStatusUpdater {
NodeHealthCheckerService healthChecker);
}
@Test
@Test(timeout = 60000)
public void testNMShutdownForRegistrationFailure() throws Exception {
nm = new NodeManagerWithCustomNodeStatusUpdater() {
@ -1011,7 +1137,7 @@ public class TestNodeStatusUpdater {
* started properly, RM will think that the NM is alive and will retire the NM
* only after NM_EXPIRY interval. See MAPREDUCE-2749.
*/
@Test
@Test(timeout = 60000)
public void testNoRegistrationWhenNMServicesFail() throws Exception {
nm = new NodeManager() {
@ -1042,7 +1168,7 @@ public class TestNodeStatusUpdater {
verifyNodeStartFailure("Starting of RPC Server failed");
}
@Test
@Test(timeout = 60000)
public void testApplicationKeepAlive() throws Exception {
MyNodeManager nm = new MyNodeManager();
try {