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YARN-2136. Changed RMStateStore to ignore store opearations when fenced. Contributed by Varun Saxena

This commit is contained in:
Jian He 2014-12-02 10:53:55 -08:00
parent 26319ba0db
commit 52bcefca8b
5 changed files with 161 additions and 9 deletions
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3
hadoop-yarn-project/CHANGES.txt
View File

@ -109,6 +109,9 @@ Release 2.7.0 - UNRELEASED
YARN-2907. SchedulerNode#toString should print all resource detail instead
of only memory. (Rohith via junping_du)
YARN-2136. Changed RMStateStore to ignore store opearations when fenced.
(Varun Saxena via jianhe)
OPTIMIZATIONS
BUG FIXES

62
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.yarn.server.resourcemanager.recovery;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
@ -26,6 +27,7 @@ import java.util.TreeMap;
import javax.crypto.SecretKey;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience.Private;
@ -88,7 +90,8 @@ public abstract class RMStateStore extends AbstractService {
public static final Log LOG = LogFactory.getLog(RMStateStore.class);
private enum RMStateStoreState {
DEFAULT
ACTIVE,
FENCED
};
private static final StateMachineFactory<RMStateStore,
@ -99,17 +102,27 @@ public abstract class RMStateStore extends AbstractService {
RMStateStoreState,
RMStateStoreEventType,
RMStateStoreEvent>(
RMStateStoreState.DEFAULT)
.addTransition(RMStateStoreState.DEFAULT, RMStateStoreState.DEFAULT,
RMStateStoreState.ACTIVE)
.addTransition(RMStateStoreState.ACTIVE, RMStateStoreState.ACTIVE,
RMStateStoreEventType.STORE_APP, new StoreAppTransition())
.addTransition(RMStateStoreState.DEFAULT, RMStateStoreState.DEFAULT,
.addTransition(RMStateStoreState.ACTIVE, RMStateStoreState.ACTIVE,
RMStateStoreEventType.UPDATE_APP, new UpdateAppTransition())
.addTransition(RMStateStoreState.DEFAULT, RMStateStoreState.DEFAULT,
.addTransition(RMStateStoreState.ACTIVE, RMStateStoreState.ACTIVE,
RMStateStoreEventType.REMOVE_APP, new RemoveAppTransition())
.addTransition(RMStateStoreState.DEFAULT, RMStateStoreState.DEFAULT,
.addTransition(RMStateStoreState.ACTIVE, RMStateStoreState.ACTIVE,
RMStateStoreEventType.STORE_APP_ATTEMPT, new StoreAppAttemptTransition())
.addTransition(RMStateStoreState.DEFAULT, RMStateStoreState.DEFAULT,
RMStateStoreEventType.UPDATE_APP_ATTEMPT, new UpdateAppAttemptTransition());
.addTransition(RMStateStoreState.ACTIVE, RMStateStoreState.ACTIVE,
RMStateStoreEventType.UPDATE_APP_ATTEMPT, new UpdateAppAttemptTransition())
.addTransition(RMStateStoreState.ACTIVE, RMStateStoreState.FENCED,
RMStateStoreEventType.FENCED)
.addTransition(RMStateStoreState.FENCED, RMStateStoreState.FENCED,
EnumSet.of(
RMStateStoreEventType.STORE_APP,
RMStateStoreEventType.UPDATE_APP,
RMStateStoreEventType.REMOVE_APP,
RMStateStoreEventType.STORE_APP_ATTEMPT,
RMStateStoreEventType.UPDATE_APP_ATTEMPT,
RMStateStoreEventType.FENCED));
private final StateMachine<RMStateStoreState,
RMStateStoreEventType,
@ -432,6 +445,11 @@ public abstract class RMStateStore extends AbstractService {
dispatcher.getEventHandler().handle(new RMStateUpdateAppEvent(appState));
}
public synchronized void updateFencedState() {
this.stateMachine.doTransition(RMStateStoreEventType.FENCED,
new RMStateStoreEvent(RMStateStoreEventType.FENCED));
}
/**
* Blocking API
* Derived classes must implement this method to store the state of an
@ -494,6 +512,10 @@ public abstract class RMStateStore extends AbstractService {
public synchronized void storeRMDelegationTokenAndSequenceNumber(
RMDelegationTokenIdentifier rmDTIdentifier, Long renewDate,
int latestSequenceNumber) {
if(isFencedState()) {
LOG.info("State store is in Fenced state. Can't store RM Delegation Token.");
return;
}
try {
storeRMDelegationTokenAndSequenceNumberState(rmDTIdentifier, renewDate,
latestSequenceNumber);
@ -516,6 +538,10 @@ public abstract class RMStateStore extends AbstractService {
*/
public synchronized void removeRMDelegationToken(
RMDelegationTokenIdentifier rmDTIdentifier, int sequenceNumber) {
if(isFencedState()) {
LOG.info("State store is in Fenced state. Can't remove RM Delegation Token.");
return;
}
try {
removeRMDelegationTokenState(rmDTIdentifier);
} catch (Exception e) {
@ -537,6 +563,10 @@ public abstract class RMStateStore extends AbstractService {
public synchronized void updateRMDelegationTokenAndSequenceNumber(
RMDelegationTokenIdentifier rmDTIdentifier, Long renewDate,
int latestSequenceNumber) {
if(isFencedState()) {
LOG.info("State store is in Fenced state. Can't update RM Delegation Token.");
return;
}
try {
updateRMDelegationTokenAndSequenceNumberInternal(rmDTIdentifier, renewDate,
latestSequenceNumber);
@ -558,6 +588,11 @@ public abstract class RMStateStore extends AbstractService {
* RMDTSecretManager call this to store the state of a master key
*/
public synchronized void storeRMDTMasterKey(DelegationKey delegationKey) {
if(isFencedState()) {
LOG.info("State store is in Fenced state. Can't store RM Delegation " +
"Token Master key.");
return;
}
try {
storeRMDTMasterKeyState(delegationKey);
} catch (Exception e) {
@ -577,6 +612,11 @@ public abstract class RMStateStore extends AbstractService {
* RMDTSecretManager call this to remove the state of a master key
*/
public synchronized void removeRMDTMasterKey(DelegationKey delegationKey) {
if(isFencedState()) {
LOG.info("State store is in Fenced state. Can't remove RM Delegation " +
"Token Master key.");
return;
}
try {
removeRMDTMasterKeyState(delegationKey);
} catch (Exception e) {
@ -647,6 +687,11 @@ public abstract class RMStateStore extends AbstractService {
}
return credentials;
}
@VisibleForTesting
synchronized boolean isFencedState() {
return (RMStateStoreState.FENCED == this.stateMachine.getCurrentState());
}
// Dispatcher related code
protected void handleStoreEvent(RMStateStoreEvent event) {
@ -665,6 +710,7 @@ public abstract class RMStateStore extends AbstractService {
*/
protected void notifyStoreOperationFailed(Exception failureCause) {
if (failureCause instanceof StoreFencedException) {
updateFencedState();
Thread standByTransitionThread =
new Thread(new StandByTransitionThread());
standByTransitionThread.setName("StandByTransitionThread Handler");

3
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreEventType.java
View File

@ -23,5 +23,6 @@ public enum RMStateStoreEventType {
STORE_APP,
UPDATE_APP,
UPDATE_APP_ATTEMPT,
REMOVE_APP
REMOVE_APP,
FENCED
}

8
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java
View File

@ -1017,6 +1017,9 @@ public class ZKRMStateStore extends RMStateStore {
public void run() {
try {
while (true) {
if(isFencedState()) {
break;
}
doMultiWithRetries(emptyOpList);
Thread.sleep(zkSessionTimeout);
}
@ -1134,6 +1137,11 @@ public class ZKRMStateStore extends RMStateStore {
public synchronized void storeOrUpdateAMRMTokenSecretManagerState(
AMRMTokenSecretManagerState amrmTokenSecretManagerState,
boolean isUpdate) {
if(isFencedState()) {
LOG.info("State store is in Fenced state. Can't store/update " +
"AMRMToken Secret Manager state.");
return;
}
AMRMTokenSecretManagerState data =
AMRMTokenSecretManagerState.newInstance(amrmTokenSecretManagerState);
byte[] stateData = data.getProto().toByteArray();

94
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
View File

@ -20,22 +20,40 @@ package org.apache.hadoop.yarn.server.resourcemanager.recovery;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.io.IOException;
import java.util.List;
import javax.crypto.SecretKey;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ha.HAServiceProtocol;
import org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo;
import org.apache.hadoop.service.Service;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationSubmissionContextPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ContainerPBImpl;
import org.apache.hadoop.yarn.conf.HAUtil;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.records.Version;
import org.apache.hadoop.yarn.server.records.impl.pb.VersionPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.AggregateAppResourceUsage;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptMetrics;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.security.ClientToAMTokenSecretManagerInRM;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.data.Stat;
import org.junit.Test;
@ -191,4 +209,80 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
HAServiceProtocol.HAServiceState.ACTIVE,
rm2.getRMContext().getRMAdminService().getServiceStatus().getState());
}
@Test
public void testFencedState() throws Exception {
TestZKRMStateStoreTester zkTester = new TestZKRMStateStoreTester();
RMStateStore store = zkTester.getRMStateStore();
// Move state to FENCED from ACTIVE
store.updateFencedState();
assertEquals("RMStateStore should have been in fenced state",
true, store.isFencedState());
long submitTime = System.currentTimeMillis();
long startTime = submitTime + 1000;
// Add a new app
RMApp mockApp = mock(RMApp.class);
ApplicationSubmissionContext context =
new ApplicationSubmissionContextPBImpl();
when(mockApp.getSubmitTime()).thenReturn(submitTime);
when(mockApp.getStartTime()).thenReturn(startTime);
when(mockApp.getApplicationSubmissionContext()).thenReturn(context);
when(mockApp.getUser()).thenReturn("test");
store.storeNewApplication(mockApp);
assertEquals("RMStateStore should have been in fenced state",
true, store.isFencedState());
// Add a new attempt
ClientToAMTokenSecretManagerInRM clientToAMTokenMgr =
new ClientToAMTokenSecretManagerInRM();
ApplicationAttemptId attemptId = ConverterUtils
.toApplicationAttemptId("appattempt_1234567894321_0001_000001");
SecretKey clientTokenMasterKey =
clientToAMTokenMgr.createMasterKey(attemptId);
RMAppAttemptMetrics mockRmAppAttemptMetrics =
mock(RMAppAttemptMetrics.class);
Container container = new ContainerPBImpl();
container.setId(ConverterUtils.toContainerId("container_1234567891234_0001_01_000001"));
RMAppAttempt mockAttempt = mock(RMAppAttempt.class);
when(mockAttempt.getAppAttemptId()).thenReturn(attemptId);
when(mockAttempt.getMasterContainer()).thenReturn(container);
when(mockAttempt.getClientTokenMasterKey())
.thenReturn(clientTokenMasterKey);
when(mockAttempt.getRMAppAttemptMetrics())
.thenReturn(mockRmAppAttemptMetrics);
when(mockRmAppAttemptMetrics.getAggregateAppResourceUsage())
.thenReturn(new AggregateAppResourceUsage(0,0));
store.storeNewApplicationAttempt(mockAttempt);
assertEquals("RMStateStore should have been in fenced state",
true, store.isFencedState());
long finishTime = submitTime + 1000;
// Update attempt
ApplicationAttemptStateData newAttemptState =
ApplicationAttemptStateData.newInstance(attemptId, container,
store.getCredentialsFromAppAttempt(mockAttempt),
startTime, RMAppAttemptState.FINISHED, "testUrl",
"test", FinalApplicationStatus.SUCCEEDED, 100,
finishTime, 0, 0);
store.updateApplicationAttemptState(newAttemptState);
assertEquals("RMStateStore should have been in fenced state",
true, store.isFencedState());
// Update app
ApplicationStateData appState = ApplicationStateData.newInstance(submitTime,
startTime, context, "test");
store.updateApplicationState(appState);
assertEquals("RMStateStore should have been in fenced state",
true, store.isFencedState());
// Remove app
store.removeApplication(mockApp);
assertEquals("RMStateStore should have been in fenced state",
true, store.isFencedState());
store.close();
}
}