hadoop RMAppImpl 源码
haddop RMAppImpl 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
/**
* 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.server.resourcemanager.rmapp;
import java.net.InetAddress;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentSkipListSet;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;
import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ipc.CallerContext;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.util.StringInterner;
import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
import org.apache.hadoop.yarn.api.records.ApplicationTimeout;
import org.apache.hadoop.yarn.api.records.ApplicationTimeoutType;
import org.apache.hadoop.yarn.api.records.CollectorInfo;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.LogAggregationStatus;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.NodeLabel;
import org.apache.hadoop.yarn.api.records.NodeState;
import org.apache.hadoop.yarn.api.records.NodeUpdateType;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.client.api.AppAdminClient;
import org.apache.hadoop.yarn.conf.HAUtil;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.security.client.ClientToAMTokenIdentifier;
import org.apache.hadoop.yarn.server.api.protocolrecords.LogAggregationReport;
import org.apache.hadoop.yarn.server.api.records.AppCollectorData;
import org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService;
import org.apache.hadoop.yarn.server.resourcemanager.RMAppManagerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.RMAppManagerEventType;
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.RMServerUtils;
import org.apache.hadoop.yarn.server.resourcemanager.blacklist.BlacklistManager;
import org.apache.hadoop.yarn.server.resourcemanager.blacklist.DisabledBlacklistManager;
import org.apache.hadoop.yarn.server.resourcemanager.blacklist.SimpleBlacklistManager;
import org.apache.hadoop.yarn.server.resourcemanager.placement
.ApplicationPlacementContext;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.Recoverable;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppNodeUpdateEvent.RMAppNodeUpdateType;
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.RMAppAttemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl;
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.rmapp.attempt.RMAppStartAttemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeCleanAppEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppRemovedSchedulerEvent;
import org.apache.hadoop.yarn.server.timelineservice.collector.AppLevelTimelineCollector;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.state.InvalidStateTransitionException;
import org.apache.hadoop.yarn.state.MultipleArcTransition;
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.Clock;
import org.apache.hadoop.yarn.util.SystemClock;
import org.apache.hadoop.yarn.util.Times;
import org.apache.hadoop.yarn.util.resource.Resources;
import org.apache.hadoop.classification.VisibleForTesting;
@SuppressWarnings({ "rawtypes", "unchecked" })
public class RMAppImpl implements RMApp, Recoverable {
private static final Logger LOG =
LoggerFactory.getLogger(RMAppImpl.class);
private static final String UNAVAILABLE = "N/A";
private static final String UNLIMITED = "UNLIMITED";
private static final long UNKNOWN = -1L;
private static final EnumSet<RMAppState> COMPLETED_APP_STATES =
EnumSet.of(RMAppState.FINISHED, RMAppState.FINISHING, RMAppState.FAILED,
RMAppState.KILLED, RMAppState.FINAL_SAVING, RMAppState.KILLING);
private static final String STATE_CHANGE_MESSAGE =
"%s State change from %s to %s on event = %s";
private static final String RECOVERY_MESSAGE =
"Recovering app: %s with %d attempts and final state = %s";
// Immutable fields
private final ApplicationId applicationId;
private final RMContext rmContext;
private final Configuration conf;
private final String user;
private final UserGroupInformation userUgi;
private final String name;
private final ApplicationSubmissionContext submissionContext;
private final Dispatcher dispatcher;
private final YarnScheduler scheduler;
private final ApplicationMasterService masterService;
private final StringBuilder diagnostics = new StringBuilder();
private final int maxAppAttempts;
private final ReadLock readLock;
private final WriteLock writeLock;
private final Map<ApplicationAttemptId, RMAppAttempt> attempts
= new LinkedHashMap<ApplicationAttemptId, RMAppAttempt>();
private final long submitTime;
private final Map<RMNode, NodeUpdateType> updatedNodes = new HashMap<>();
private final String applicationType;
private final Set<String> applicationTags;
private Map<String, String> applicationSchedulingEnvs = new HashMap<>();
private final long attemptFailuresValidityInterval;
private boolean amBlacklistingEnabled = false;
private float blacklistDisableThreshold;
private Clock systemClock;
private boolean isNumAttemptsBeyondThreshold = false;
// Mutable fields
private long startTime;
private long launchTime = 0;
private long finishTime = 0;
private long storedFinishTime = 0;
private int firstAttemptIdInStateStore = 1;
private int nextAttemptId = 1;
private AppCollectorData collectorData;
private CollectorInfo collectorInfo;
// This field isn't protected by readlock now.
private volatile RMAppAttempt currentAttempt;
private String queue;
private EventHandler handler;
private static final AppFinishedTransition FINISHED_TRANSITION =
new AppFinishedTransition();
private Set<NodeId> ranNodes = new ConcurrentSkipListSet<NodeId>();
private final RMAppLogAggregation logAggregation;
private Map<ApplicationTimeoutType, Long> applicationTimeouts =
new HashMap<ApplicationTimeoutType, Long>();
// These states stored are only valid when app is at killing or final_saving.
private RMAppState stateBeforeKilling;
private RMAppState stateBeforeFinalSaving;
private RMAppEvent eventCausingFinalSaving;
private RMAppState targetedFinalState;
private RMAppState recoveredFinalState;
private List<ResourceRequest> amReqs;
private CallerContext callerContext;
private ApplicationPlacementContext placementContext;
Object transitionTodo;
private Priority applicationPriority;
private static final StateMachineFactory<RMAppImpl,
RMAppState,
RMAppEventType,
RMAppEvent> stateMachineFactory
= new StateMachineFactory<RMAppImpl,
RMAppState,
RMAppEventType,
RMAppEvent>(RMAppState.NEW)
// Transitions from NEW state
.addTransition(RMAppState.NEW, RMAppState.NEW,
RMAppEventType.NODE_UPDATE, new RMAppNodeUpdateTransition())
.addTransition(RMAppState.NEW, RMAppState.NEW_SAVING,
RMAppEventType.START, new RMAppNewlySavingTransition())
.addTransition(RMAppState.NEW, EnumSet.of(RMAppState.SUBMITTED,
RMAppState.ACCEPTED, RMAppState.FINISHED, RMAppState.FAILED,
RMAppState.KILLED, RMAppState.FINAL_SAVING),
RMAppEventType.RECOVER, new RMAppRecoveredTransition())
.addTransition(RMAppState.NEW, RMAppState.KILLED, RMAppEventType.KILL,
new AppKilledTransition())
.addTransition(RMAppState.NEW, RMAppState.FINAL_SAVING,
RMAppEventType.APP_REJECTED,
new FinalSavingTransition(new AppRejectedTransition(),
RMAppState.FAILED))
// Transitions from NEW_SAVING state
.addTransition(RMAppState.NEW_SAVING, RMAppState.NEW_SAVING,
RMAppEventType.NODE_UPDATE, new RMAppNodeUpdateTransition())
.addTransition(RMAppState.NEW_SAVING, RMAppState.SUBMITTED,
RMAppEventType.APP_NEW_SAVED, new AddApplicationToSchedulerTransition())
.addTransition(RMAppState.NEW_SAVING, RMAppState.FINAL_SAVING,
RMAppEventType.KILL,
new FinalSavingTransition(
new AppKilledTransition(), RMAppState.KILLED))
.addTransition(RMAppState.NEW_SAVING, RMAppState.FINAL_SAVING,
RMAppEventType.APP_REJECTED,
new FinalSavingTransition(new AppRejectedTransition(),
RMAppState.FAILED))
.addTransition(RMAppState.NEW_SAVING, RMAppState.FAILED,
RMAppEventType.APP_SAVE_FAILED, new AppRejectedTransition())
// Transitions from SUBMITTED state
.addTransition(RMAppState.SUBMITTED, RMAppState.SUBMITTED,
RMAppEventType.NODE_UPDATE, new RMAppNodeUpdateTransition())
.addTransition(RMAppState.SUBMITTED, RMAppState.FINAL_SAVING,
RMAppEventType.APP_REJECTED,
new FinalSavingTransition(
new AppRejectedTransition(), RMAppState.FAILED))
.addTransition(RMAppState.SUBMITTED, RMAppState.ACCEPTED,
RMAppEventType.APP_ACCEPTED, new StartAppAttemptTransition())
.addTransition(RMAppState.SUBMITTED, RMAppState.FINAL_SAVING,
RMAppEventType.KILL,
new FinalSavingTransition(
new AppKilledTransition(), RMAppState.KILLED))
// Transitions from ACCEPTED state
.addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED,
RMAppEventType.NODE_UPDATE, new RMAppNodeUpdateTransition())
.addTransition(RMAppState.ACCEPTED, RMAppState.RUNNING,
RMAppEventType.ATTEMPT_REGISTERED, new RMAppStateUpdateTransition(
YarnApplicationState.RUNNING))
.addTransition(RMAppState.ACCEPTED,
EnumSet.of(RMAppState.ACCEPTED, RMAppState.FINAL_SAVING),
// ACCEPTED state is possible to receive ATTEMPT_FAILED/ATTEMPT_FINISHED
// event because RMAppRecoveredTransition is returning ACCEPTED state
// directly and waiting for the previous AM to exit.
RMAppEventType.ATTEMPT_FAILED,
new AttemptFailedTransition(RMAppState.ACCEPTED))
.addTransition(RMAppState.ACCEPTED, RMAppState.FINAL_SAVING,
RMAppEventType.ATTEMPT_FINISHED,
new FinalSavingTransition(FINISHED_TRANSITION, RMAppState.FINISHED))
.addTransition(RMAppState.ACCEPTED, RMAppState.KILLING,
RMAppEventType.KILL, new KillAttemptTransition())
.addTransition(RMAppState.ACCEPTED, RMAppState.FINAL_SAVING,
RMAppEventType.ATTEMPT_KILLED,
new FinalSavingTransition(new AppKilledTransition(), RMAppState.KILLED))
.addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
// Handle AppAttemptLaunch to update the launchTime and publish to ATS
.addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED,
RMAppEventType.ATTEMPT_LAUNCHED,
new AttemptLaunchedTransition())
// Transitions from RUNNING state
.addTransition(RMAppState.RUNNING, RMAppState.RUNNING,
RMAppEventType.NODE_UPDATE, new RMAppNodeUpdateTransition())
.addTransition(RMAppState.RUNNING, RMAppState.FINAL_SAVING,
RMAppEventType.ATTEMPT_UNREGISTERED,
new FinalSavingTransition(
new AttemptUnregisteredTransition(),
RMAppState.FINISHING, RMAppState.FINISHED))
.addTransition(RMAppState.RUNNING, RMAppState.FINISHED,
// UnManagedAM directly jumps to finished
RMAppEventType.ATTEMPT_FINISHED, FINISHED_TRANSITION)
.addTransition(RMAppState.RUNNING, RMAppState.RUNNING,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
.addTransition(RMAppState.RUNNING,
EnumSet.of(RMAppState.ACCEPTED, RMAppState.FINAL_SAVING),
RMAppEventType.ATTEMPT_FAILED,
new AttemptFailedTransition(RMAppState.ACCEPTED))
.addTransition(RMAppState.RUNNING, RMAppState.KILLING,
RMAppEventType.KILL, new KillAttemptTransition())
// Transitions from FINAL_SAVING state
.addTransition(RMAppState.FINAL_SAVING,
EnumSet.of(RMAppState.FINISHING, RMAppState.FAILED,
RMAppState.KILLED, RMAppState.FINISHED), RMAppEventType.APP_UPDATE_SAVED,
new FinalStateSavedTransition())
.addTransition(RMAppState.FINAL_SAVING, RMAppState.FINAL_SAVING,
RMAppEventType.ATTEMPT_FINISHED,
new AttemptFinishedAtFinalSavingTransition())
.addTransition(RMAppState.FINAL_SAVING, RMAppState.FINAL_SAVING,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
// ignorable transitions
.addTransition(RMAppState.FINAL_SAVING, RMAppState.FINAL_SAVING,
EnumSet.of(RMAppEventType.NODE_UPDATE, RMAppEventType.KILL,
RMAppEventType.APP_NEW_SAVED))
// Transitions from FINISHING state
.addTransition(RMAppState.FINISHING, RMAppState.FINISHED,
RMAppEventType.ATTEMPT_FINISHED, FINISHED_TRANSITION)
.addTransition(RMAppState.FINISHING, RMAppState.FINISHING,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
// ignorable transitions
.addTransition(RMAppState.FINISHING, RMAppState.FINISHING,
EnumSet.of(RMAppEventType.NODE_UPDATE,
// ignore Kill/Move as we have already saved the final Finished state
// in state store.
RMAppEventType.KILL))
// Transitions from KILLING state
.addTransition(RMAppState.KILLING, RMAppState.KILLING,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
.addTransition(RMAppState.KILLING, RMAppState.FINAL_SAVING,
RMAppEventType.ATTEMPT_KILLED,
new FinalSavingTransition(
new AppKilledTransition(), RMAppState.KILLED))
.addTransition(RMAppState.KILLING, RMAppState.FINAL_SAVING,
RMAppEventType.ATTEMPT_UNREGISTERED,
new FinalSavingTransition(
new AttemptUnregisteredTransition(),
RMAppState.FINISHING, RMAppState.FINISHED))
.addTransition(RMAppState.KILLING, RMAppState.FINISHED,
// UnManagedAM directly jumps to finished
RMAppEventType.ATTEMPT_FINISHED, FINISHED_TRANSITION)
.addTransition(RMAppState.KILLING,
EnumSet.of(RMAppState.FINAL_SAVING),
RMAppEventType.ATTEMPT_FAILED,
new AttemptFailedTransition(RMAppState.KILLING))
.addTransition(RMAppState.KILLING, RMAppState.KILLING,
EnumSet.of(
RMAppEventType.NODE_UPDATE,
RMAppEventType.ATTEMPT_REGISTERED,
RMAppEventType.APP_UPDATE_SAVED,
RMAppEventType.KILL))
// Transitions from FINISHED state
// ignorable transitions
.addTransition(RMAppState.FINISHED, RMAppState.FINISHED,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
.addTransition(RMAppState.FINISHED, RMAppState.FINISHED,
EnumSet.of(
RMAppEventType.NODE_UPDATE,
RMAppEventType.ATTEMPT_UNREGISTERED,
RMAppEventType.ATTEMPT_FINISHED,
RMAppEventType.KILL))
// Transitions from FAILED state
// ignorable transitions
.addTransition(RMAppState.FAILED, RMAppState.FAILED,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
.addTransition(RMAppState.FAILED, RMAppState.FAILED,
EnumSet.of(RMAppEventType.KILL, RMAppEventType.NODE_UPDATE))
// Transitions from KILLED state
// ignorable transitions
.addTransition(RMAppState.KILLED, RMAppState.KILLED,
RMAppEventType.APP_RUNNING_ON_NODE,
new AppRunningOnNodeTransition())
.addTransition(
RMAppState.KILLED,
RMAppState.KILLED,
EnumSet.of(RMAppEventType.APP_ACCEPTED,
RMAppEventType.APP_REJECTED, RMAppEventType.KILL,
RMAppEventType.ATTEMPT_FINISHED, RMAppEventType.ATTEMPT_FAILED,
RMAppEventType.NODE_UPDATE, RMAppEventType.START))
.installTopology();
private final StateMachine<RMAppState, RMAppEventType, RMAppEvent>
stateMachine;
private static final int DUMMY_APPLICATION_ATTEMPT_NUMBER = -1;
private static final float MINIMUM_AM_BLACKLIST_THRESHOLD_VALUE = 0.0f;
private static final float MAXIMUM_AM_BLACKLIST_THRESHOLD_VALUE = 1.0f;
public RMAppImpl(ApplicationId applicationId, RMContext rmContext,
Configuration config, String name, String user, String queue,
ApplicationSubmissionContext submissionContext, YarnScheduler scheduler,
ApplicationMasterService masterService, long submitTime,
String applicationType, Set<String> applicationTags,
List<ResourceRequest> amReqs) {
this(applicationId, rmContext, config, name, user, queue, submissionContext,
scheduler, masterService, submitTime, applicationType, applicationTags,
amReqs, null, -1);
}
public RMAppImpl(ApplicationId applicationId, RMContext rmContext,
Configuration config, String name, String user, String queue,
ApplicationSubmissionContext submissionContext, YarnScheduler scheduler,
ApplicationMasterService masterService, long submitTime,
String applicationType, Set<String> applicationTags,
List<ResourceRequest> amReqs, ApplicationPlacementContext
placementContext, long startTime) {
this(applicationId, rmContext, config, name,
(user != null ? UserGroupInformation.createRemoteUser(user) : null),
queue, submissionContext, scheduler, masterService, submitTime,
applicationType, applicationTags, amReqs, placementContext, startTime);
}
public RMAppImpl(ApplicationId applicationId, RMContext rmContext,
Configuration config, String name, UserGroupInformation userUgi,
String queue, ApplicationSubmissionContext submissionContext,
YarnScheduler scheduler, ApplicationMasterService masterService,
long submitTime, String applicationType, Set<String> applicationTags,
List<ResourceRequest> amReqs, ApplicationPlacementContext
placementContext, long startTime) {
this.systemClock = SystemClock.getInstance();
this.applicationId = applicationId;
this.name = StringInterner.weakIntern(name);
this.rmContext = rmContext;
this.dispatcher = rmContext.getDispatcher();
this.handler = dispatcher.getEventHandler();
this.conf = config;
this.user = StringInterner.weakIntern(
(userUgi != null) ? userUgi.getShortUserName() : null);
this.userUgi = userUgi;
this.queue = queue;
this.submissionContext = submissionContext;
this.scheduler = scheduler;
this.masterService = masterService;
this.submitTime = submitTime;
if (startTime <= 0) {
this.startTime = this.systemClock.getTime();
} else {
this.startTime = startTime;
}
this.applicationType = StringInterner.weakIntern(applicationType);
this.applicationTags = applicationTags;
this.amReqs = amReqs;
if (submissionContext.getPriority() != null) {
this.applicationPriority = Priority
.newInstance(submissionContext.getPriority().getPriority());
} else {
// If incoming app does not have priority configured in submission
// context, system could be assume that its a 0 priority app and could be
// considered as normal.
this.applicationPriority = Priority.newInstance(0);
}
int globalMaxAppAttempts = conf.getInt(
YarnConfiguration.GLOBAL_RM_AM_MAX_ATTEMPTS,
conf.getInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS));
int rmMaxAppAttempts = conf.getInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
int individualMaxAppAttempts = submissionContext.getMaxAppAttempts();
if (individualMaxAppAttempts <= 0) {
this.maxAppAttempts = rmMaxAppAttempts;
LOG.warn("The specific max attempts: " + individualMaxAppAttempts
+ " for application: " + applicationId.getId()
+ " is invalid, because it is less than or equal to zero."
+ " Use the rm max attempts instead.");
} else if (individualMaxAppAttempts > globalMaxAppAttempts) {
this.maxAppAttempts = globalMaxAppAttempts;
LOG.warn("The specific max attempts: " + individualMaxAppAttempts
+ " for application: " + applicationId.getId()
+ " is invalid, because it is out of the range [1, "
+ globalMaxAppAttempts + "]. Use the global max attempts instead.");
} else {
this.maxAppAttempts = individualMaxAppAttempts;
}
this.attemptFailuresValidityInterval =
submissionContext.getAttemptFailuresValidityInterval();
if (this.attemptFailuresValidityInterval > 0) {
LOG.info("The attemptFailuresValidityInterval for the application: "
+ this.applicationId + " is " + this.attemptFailuresValidityInterval
+ ".");
}
ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
this.readLock = lock.readLock();
this.writeLock = lock.writeLock();
this.stateMachine = stateMachineFactory.make(this);
this.callerContext = CallerContext.getCurrent();
this.placementContext = placementContext;
// If applications are not explicitly specifying envs, try to pull from
// AM container environment lists.
if(submissionContext.getAMContainerSpec() != null) {
applicationSchedulingEnvs
.putAll(submissionContext.getAMContainerSpec().getEnvironment());
}
applicationSchedulingEnvs
.putAll(submissionContext.getApplicationSchedulingPropertiesMap());
this.logAggregation = new RMAppLogAggregation(conf, readLock, writeLock);
// amBlacklistingEnabled can be configured globally
// Just use the global values
amBlacklistingEnabled =
conf.getBoolean(
YarnConfiguration.AM_SCHEDULING_NODE_BLACKLISTING_ENABLED,
YarnConfiguration.DEFAULT_AM_SCHEDULING_NODE_BLACKLISTING_ENABLED);
if (amBlacklistingEnabled) {
blacklistDisableThreshold = conf.getFloat(
YarnConfiguration.AM_SCHEDULING_NODE_BLACKLISTING_DISABLE_THRESHOLD,
YarnConfiguration.
DEFAULT_AM_SCHEDULING_NODE_BLACKLISTING_DISABLE_THRESHOLD);
// Verify whether blacklistDisableThreshold is valid. And for invalid
// threshold, reset to global level blacklistDisableThreshold
// configured.
if (blacklistDisableThreshold < MINIMUM_AM_BLACKLIST_THRESHOLD_VALUE ||
blacklistDisableThreshold > MAXIMUM_AM_BLACKLIST_THRESHOLD_VALUE) {
blacklistDisableThreshold = YarnConfiguration.
DEFAULT_AM_SCHEDULING_NODE_BLACKLISTING_DISABLE_THRESHOLD;
}
}
}
/**
* Starts the application level timeline collector for this app. This should
* be used only if the timeline service v.2 is enabled.
*/
public void startTimelineCollector() {
AppLevelTimelineCollector collector =
new AppLevelTimelineCollector(applicationId, user);
rmContext.getRMTimelineCollectorManager().putIfAbsent(
applicationId, collector);
}
/**
* Stops the application level timeline collector for this app. This should be
* used only if the timeline service v.2 is enabled.
*/
public void stopTimelineCollector() {
rmContext.getRMTimelineCollectorManager().remove(applicationId);
}
@Override
public ApplicationId getApplicationId() {
return this.applicationId;
}
@Override
public ApplicationSubmissionContext getApplicationSubmissionContext() {
return this.submissionContext;
}
@Override
public FinalApplicationStatus getFinalApplicationStatus() {
// finish state is obtained based on the state machine's current state
// as a fall-back in case the application has not been unregistered
// ( or if the app never unregistered itself )
// when the report is requested
if (currentAttempt != null
&& currentAttempt.getFinalApplicationStatus() != null) {
return currentAttempt.getFinalApplicationStatus();
}
return createFinalApplicationStatus(this.stateMachine.getCurrentState());
}
@Override
public RMAppState getState() {
this.readLock.lock();
try {
return this.stateMachine.getCurrentState();
} finally {
this.readLock.unlock();
}
}
@Override
public String getUser() {
return this.user;
}
@Override
public float getProgress() {
RMAppAttempt attempt = this.currentAttempt;
if (attempt != null) {
return attempt.getProgress();
}
return 0;
}
@Override
public RMAppAttempt getRMAppAttempt(ApplicationAttemptId appAttemptId) {
this.readLock.lock();
try {
return this.attempts.get(appAttemptId);
} finally {
this.readLock.unlock();
}
}
@Override
public String getQueue() {
return this.queue;
}
@Override
public void setQueue(String queue) {
this.queue = queue;
}
@Override
public AppCollectorData getCollectorData() {
return this.collectorData;
}
public void setCollectorData(AppCollectorData incomingData) {
this.collectorData = incomingData;
this.collectorInfo = CollectorInfo.newInstance(
incomingData.getCollectorAddr(), incomingData.getCollectorToken());
}
public CollectorInfo getCollectorInfo() {
return this.collectorInfo;
}
public void removeCollectorData() {
this.collectorData = null;
}
@Override
public String getName() {
return this.name;
}
@Override
public RMAppAttempt getCurrentAppAttempt() {
return this.currentAttempt;
}
@Override
public Map<ApplicationAttemptId, RMAppAttempt> getAppAttempts() {
this.readLock.lock();
try {
return Collections.unmodifiableMap(this.attempts);
} finally {
this.readLock.unlock();
}
}
private FinalApplicationStatus createFinalApplicationStatus(RMAppState state) {
switch(state) {
case NEW:
case NEW_SAVING:
case SUBMITTED:
case ACCEPTED:
case RUNNING:
case FINAL_SAVING:
case KILLING:
return FinalApplicationStatus.UNDEFINED;
// finished without a proper final state is the same as failed
case FINISHING:
case FINISHED:
case FAILED:
return FinalApplicationStatus.FAILED;
case KILLED:
return FinalApplicationStatus.KILLED;
}
throw new YarnRuntimeException("Unknown state passed!");
}
@Override
public int pullRMNodeUpdates(Map<RMNode, NodeUpdateType> upNodes) {
this.writeLock.lock();
try {
int updatedNodeCount = this.updatedNodes.size();
upNodes.putAll(this.updatedNodes);
this.updatedNodes.clear();
return updatedNodeCount;
} finally {
this.writeLock.unlock();
}
}
@Override
public ApplicationReport createAndGetApplicationReport(String clientUserName,
boolean allowAccess) {
this.readLock.lock();
try {
ApplicationAttemptId currentApplicationAttemptId = null;
org.apache.hadoop.yarn.api.records.Token clientToAMToken = null;
String trackingUrl = UNAVAILABLE;
String host = UNAVAILABLE;
String origTrackingUrl = UNAVAILABLE;
LogAggregationStatus logAggregationStatus = null;
int rpcPort = -1;
ApplicationResourceUsageReport appUsageReport =
RMServerUtils.DUMMY_APPLICATION_RESOURCE_USAGE_REPORT;
FinalApplicationStatus finishState = getFinalApplicationStatus();
String diags = UNAVAILABLE;
float progress = 0.0f;
org.apache.hadoop.yarn.api.records.Token amrmToken = null;
if (allowAccess) {
trackingUrl = rmContext.getAppProxyUrl(conf, applicationId);
if (this.currentAttempt != null) {
currentApplicationAttemptId = this.currentAttempt.getAppAttemptId();
trackingUrl = this.currentAttempt.getTrackingUrl();
origTrackingUrl = this.currentAttempt.getOriginalTrackingUrl();
if (UserGroupInformation.isSecurityEnabled()) {
// get a token so the client can communicate with the app attempt
// NOTE: token may be unavailable if the attempt is not running
Token<ClientToAMTokenIdentifier> attemptClientToAMToken =
this.currentAttempt.createClientToken(clientUserName);
if (attemptClientToAMToken != null) {
clientToAMToken = BuilderUtils.newClientToAMToken(
attemptClientToAMToken.getIdentifier(),
attemptClientToAMToken.getKind().toString(),
attemptClientToAMToken.getPassword(),
attemptClientToAMToken.getService().toString());
}
}
host = this.currentAttempt.getHost();
rpcPort = this.currentAttempt.getRpcPort();
appUsageReport = currentAttempt.getApplicationResourceUsageReport();
progress = currentAttempt.getProgress();
logAggregationStatus = this.getLogAggregationStatusForAppReport();
}
//if the diagnostics is not already set get it from attempt
diags = getDiagnostics().toString();
if (currentAttempt != null &&
currentAttempt.getAppAttemptState() == RMAppAttemptState.LAUNCHED) {
if (getApplicationSubmissionContext().getUnmanagedAM() &&
clientUserName != null && getUser().equals(clientUserName)) {
Token<AMRMTokenIdentifier> token = currentAttempt.getAMRMToken();
if (token != null) {
amrmToken = BuilderUtils.newAMRMToken(token.getIdentifier(),
token.getKind().toString(), token.getPassword(),
token.getService().toString());
}
}
}
RMAppMetrics rmAppMetrics = getRMAppMetrics();
appUsageReport
.setResourceSecondsMap(rmAppMetrics.getResourceSecondsMap());
appUsageReport.setPreemptedResourceSecondsMap(
rmAppMetrics.getPreemptedResourceSecondsMap());
}
if (currentApplicationAttemptId == null) {
currentApplicationAttemptId =
BuilderUtils.newApplicationAttemptId(this.applicationId,
DUMMY_APPLICATION_ATTEMPT_NUMBER);
}
ApplicationReport report = BuilderUtils.newApplicationReport(
this.applicationId, currentApplicationAttemptId, this.user,
this.queue, this.name, host, rpcPort, clientToAMToken,
createApplicationState(), diags, trackingUrl, this.startTime,
this.launchTime, this.finishTime, finishState, appUsageReport,
origTrackingUrl, progress, this.applicationType, amrmToken,
applicationTags, this.getApplicationPriority());
report.setLogAggregationStatus(logAggregationStatus);
report.setUnmanagedApp(submissionContext.getUnmanagedAM());
report.setAppNodeLabelExpression(getAppNodeLabelExpression());
report.setAmNodeLabelExpression(getAmNodeLabelExpression());
if (HAUtil.isFederationEnabled(conf)) {
report.setRMClusterId(YarnConfiguration.getClusterId(conf));
}
ApplicationTimeout timeout = ApplicationTimeout
.newInstance(ApplicationTimeoutType.LIFETIME, UNLIMITED, UNKNOWN);
// Currently timeout type supported is LIFETIME. When more timeout types
// are supported in YARN-5692, the below logic need to be changed.
if (!this.applicationTimeouts.isEmpty()) {
long timeoutInMillis = applicationTimeouts
.get(ApplicationTimeoutType.LIFETIME).longValue();
timeout.setExpiryTime(Times.formatISO8601(timeoutInMillis));
if (isAppInCompletedStates()) {
// if application configured with timeout and finished before timeout
// happens then remaining time should not be calculated.
timeout.setRemainingTime(0);
} else {
timeout.setRemainingTime(
Math.max((timeoutInMillis - systemClock.getTime()) / 1000, 0));
}
}
report.setApplicationTimeouts(
Collections.singletonMap(timeout.getTimeoutType(), timeout));
return report;
} finally {
this.readLock.unlock();
}
}
@Override
public long getFinishTime() {
this.readLock.lock();
try {
return this.finishTime;
} finally {
this.readLock.unlock();
}
}
@Override
public long getStartTime() {
this.readLock.lock();
try {
return this.startTime;
} finally {
this.readLock.unlock();
}
}
@Override
public long getLaunchTime() {
this.readLock.lock();
try {
return this.launchTime;
} finally {
this.readLock.unlock();
}
}
@Override
public long getSubmitTime() {
return this.submitTime;
}
@Override
public String getTrackingUrl() {
RMAppAttempt attempt = this.currentAttempt;
if (attempt != null) {
return attempt.getTrackingUrl();
}
return null;
}
@Override
public String getOriginalTrackingUrl() {
RMAppAttempt attempt = this.currentAttempt;
if (attempt != null) {
return attempt.getOriginalTrackingUrl();
}
return null;
}
@Override
public StringBuilder getDiagnostics() {
this.readLock.lock();
try {
if (diagnostics.length() == 0 && getCurrentAppAttempt() != null) {
String appAttemptDiagnostics = getCurrentAppAttempt().getDiagnostics();
if (appAttemptDiagnostics != null) {
return new StringBuilder(appAttemptDiagnostics);
}
}
return this.diagnostics;
} finally {
this.readLock.unlock();
}
}
@Override
public int getMaxAppAttempts() {
return this.maxAppAttempts;
}
@Override
public void handle(RMAppEvent event) {
this.writeLock.lock();
try {
ApplicationId appID = event.getApplicationId();
LOG.debug("Processing event for {} of type {}",
appID, event.getType());
final RMAppState oldState = getState();
try {
/* keep the master in sync with the state machine */
this.stateMachine.doTransition(event.getType(), event);
} catch (InvalidStateTransitionException e) {
LOG.error("App: " + appID
+ " can't handle this event at current state", e);
onInvalidStateTransition(event.getType(), oldState);
}
// Log at INFO if we're not recovering or not in a terminal state.
// Log at DEBUG otherwise.
if ((oldState != getState()) &&
(((recoveredFinalState == null)) ||
(event.getType() != RMAppEventType.RECOVER))) {
LOG.info(String.format(STATE_CHANGE_MESSAGE, appID, oldState,
getState(), event.getType()));
} else if ((oldState != getState()) && LOG.isDebugEnabled()) {
LOG.debug(String.format(STATE_CHANGE_MESSAGE, appID, oldState,
getState(), event.getType()));
}
} finally {
this.writeLock.unlock();
}
}
@Override
public void recover(RMState state) {
ApplicationStateData appState =
state.getApplicationState().get(getApplicationId());
this.recoveredFinalState = appState.getState();
if (recoveredFinalState == null) {
LOG.info(String.format(RECOVERY_MESSAGE, getApplicationId(),
appState.getAttemptCount(), "NONE"));
} else if (LOG.isDebugEnabled()) {
LOG.debug(String.format(RECOVERY_MESSAGE, getApplicationId(),
appState.getAttemptCount(), recoveredFinalState));
}
this.diagnostics.append(null == appState.getDiagnostics() ? "" : appState
.getDiagnostics());
this.storedFinishTime = appState.getFinishTime();
this.startTime = appState.getStartTime();
this.launchTime = appState.getLaunchTime();
this.callerContext = appState.getCallerContext();
this.applicationTimeouts = appState.getApplicationTimeouts();
// If interval > 0, some attempts might have been deleted.
if (this.attemptFailuresValidityInterval > 0) {
this.firstAttemptIdInStateStore = appState.getFirstAttemptId();
this.nextAttemptId = firstAttemptIdInStateStore;
}
//TODO recover collector address.
//this.collectorAddr = appState.getCollectorAddr();
// send the ATS create Event during RM recovery.
// NOTE: it could be duplicated with events sent before RM get restarted.
sendATSCreateEvent();
RMAppAttemptImpl preAttempt = null;
for (ApplicationAttemptId attemptId :
new TreeSet<>(appState.attempts.keySet())) {
// create attempt
createNewAttempt(attemptId);
((RMAppAttemptImpl)this.currentAttempt).recover(state);
// If previous attempt is not in final state, it means we failed to store
// its final state. We set it to FAILED now because we could not make sure
// about its final state.
if (preAttempt != null && preAttempt.getRecoveredFinalState() == null) {
preAttempt.setRecoveredFinalState(RMAppAttemptState.FAILED);
}
preAttempt = (RMAppAttemptImpl)currentAttempt;
}
if (currentAttempt != null) {
nextAttemptId = currentAttempt.getAppAttemptId().getAttemptId() + 1;
}
}
private void createNewAttempt() {
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(applicationId, nextAttemptId++);
createNewAttempt(appAttemptId);
}
private void createNewAttempt(ApplicationAttemptId appAttemptId) {
BlacklistManager currentAMBlacklistManager;
if (currentAttempt != null) {
// Transfer over the blacklist from the previous app-attempt.
currentAMBlacklistManager = currentAttempt.getAMBlacklistManager();
} else {
if (amBlacklistingEnabled && !submissionContext.getUnmanagedAM()) {
currentAMBlacklistManager = new SimpleBlacklistManager(
RMServerUtils.getApplicableNodeCountForAM(rmContext, conf,
getAMResourceRequests()),
blacklistDisableThreshold);
} else {
currentAMBlacklistManager = new DisabledBlacklistManager();
}
}
RMAppAttempt attempt =
new RMAppAttemptImpl(appAttemptId, rmContext, scheduler, masterService,
submissionContext, conf, amReqs, this, currentAMBlacklistManager);
attempts.put(appAttemptId, attempt);
currentAttempt = attempt;
}
private void
createAndStartNewAttempt(boolean transferStateFromPreviousAttempt) {
createNewAttempt();
handler.handle(new RMAppStartAttemptEvent(currentAttempt.getAppAttemptId(),
transferStateFromPreviousAttempt));
}
private void processNodeUpdate(RMAppNodeUpdateType type, RMNode node) {
NodeState nodeState = node.getState();
updatedNodes.put(node, RMAppNodeUpdateType.convertToNodeUpdateType(type));
LOG.debug("Received node update event:{} for node:{} with state:",
type, node, nodeState);
}
private static class RMAppTransition implements
SingleArcTransition<RMAppImpl, RMAppEvent> {
public void transition(RMAppImpl app, RMAppEvent event) {
};
}
private static final class RMAppNodeUpdateTransition extends RMAppTransition {
public void transition(RMAppImpl app, RMAppEvent event) {
RMAppNodeUpdateEvent nodeUpdateEvent = (RMAppNodeUpdateEvent) event;
app.processNodeUpdate(nodeUpdateEvent.getUpdateType(),
nodeUpdateEvent.getNode());
};
}
private static final class RMAppStateUpdateTransition
extends RMAppTransition {
private YarnApplicationState stateToATS;
public RMAppStateUpdateTransition(YarnApplicationState state) {
stateToATS = state;
}
public void transition(RMAppImpl app, RMAppEvent event) {
app.rmContext.getSystemMetricsPublisher().appStateUpdated(
app, stateToATS, app.systemClock.getTime());
};
}
private static final class AttemptLaunchedTransition
extends RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
if(app.launchTime == 0) {
LOG.info("update the launch time for applicationId: "+
app.getApplicationId()+", attemptId: "+
app.getCurrentAppAttempt().getAppAttemptId()+
"launchTime: "+event.getTimestamp());
ApplicationStateData appState = ApplicationStateData.newInstance(
app.submitTime, app.startTime, app.submissionContext, app.user,
app.callerContext);
appState.setApplicationTimeouts(app.getApplicationTimeouts());
appState.setLaunchTime(event.getTimestamp());
app.rmContext.getStateStore().updateApplicationState(appState, false);
app.launchTime = event.getTimestamp();
app.rmContext.getSystemMetricsPublisher().appLaunched(
app, app.launchTime);
}
}
}
private static final class AppRunningOnNodeTransition extends RMAppTransition {
public void transition(RMAppImpl app, RMAppEvent event) {
RMAppRunningOnNodeEvent nodeAddedEvent = (RMAppRunningOnNodeEvent) event;
// if final state already stored, notify RMNode
if (isAppInFinalState(app)) {
app.handler.handle(
new RMNodeCleanAppEvent(nodeAddedEvent.getNodeId(), nodeAddedEvent
.getApplicationId()));
return;
}
// otherwise, add it to ranNodes for further process
app.ranNodes.add(nodeAddedEvent.getNodeId());
app.logAggregation.addReportIfNecessary(
nodeAddedEvent.getNodeId(), app.getApplicationId());
}
}
// synchronously recover attempt to ensure any incoming external events
// to be processed after the attempt processes the recover event.
private void recoverAppAttempts() {
for (RMAppAttempt attempt : getAppAttempts().values()) {
attempt.handle(new RMAppAttemptEvent(attempt.getAppAttemptId(),
RMAppAttemptEventType.RECOVER));
}
}
private static final class RMAppRecoveredTransition implements
MultipleArcTransition<RMAppImpl, RMAppEvent, RMAppState> {
@Override
public RMAppState transition(RMAppImpl app, RMAppEvent event) {
RMAppRecoverEvent recoverEvent = (RMAppRecoverEvent) event;
app.recover(recoverEvent.getRMState());
// The app has completed.
if (app.recoveredFinalState != null) {
app.recoverAppAttempts();
new FinalTransition(app.recoveredFinalState).transition(app, event);
return app.recoveredFinalState;
}
if (UserGroupInformation.isSecurityEnabled()) {
// asynchronously renew delegation token on recovery.
try {
app.rmContext.getDelegationTokenRenewer()
.addApplicationAsyncDuringRecovery(app.getApplicationId(),
BuilderUtils.parseCredentials(app.submissionContext),
app.submissionContext.getCancelTokensWhenComplete(),
app.getUser(),
BuilderUtils.parseTokensConf(app.submissionContext));
} catch (Exception e) {
String msg = "Failed to fetch user credentials from application:" + e
.getMessage();
app.diagnostics.append(msg);
LOG.error(msg, e);
}
}
for (Map.Entry<ApplicationTimeoutType, Long> timeout : app.applicationTimeouts
.entrySet()) {
app.rmContext.getRMAppLifetimeMonitor().registerApp(app.applicationId,
timeout.getKey(), timeout.getValue());
if (LOG.isDebugEnabled()) {
long remainingTime = timeout.getValue() - app.systemClock.getTime();
LOG.debug("Application " + app.applicationId
+ " is registered for timeout monitor, type=" + timeout.getKey()
+ " remaining timeout=" + (remainingTime > 0 ?
remainingTime / 1000 :
0) + " seconds");
}
}
// No existent attempts means the attempt associated with this app was not
// started or started but not yet saved.
if (app.attempts.isEmpty()) {
app.scheduler.handle(
new AppAddedSchedulerEvent(app.user, app.submissionContext, false,
app.applicationPriority, app.placementContext));
return RMAppState.SUBMITTED;
}
// Add application to scheduler synchronously to guarantee scheduler
// knows applications before AM or NM re-registers.
app.scheduler.handle(
new AppAddedSchedulerEvent(app.user, app.submissionContext, true,
app.applicationPriority, app.placementContext));
// recover attempts
app.recoverAppAttempts();
// YARN-1507 is saving the application state after the application is
// accepted. So after YARN-1507, an app is saved meaning it is accepted.
// Thus we return ACCECPTED state on recovery.
return RMAppState.ACCEPTED;
}
}
private static final class AddApplicationToSchedulerTransition extends
RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
app.handler.handle(
new AppAddedSchedulerEvent(app.user, app.submissionContext, false,
app.applicationPriority, app.placementContext));
// send the ATS create Event
app.sendATSCreateEvent();
}
}
private static final class StartAppAttemptTransition extends RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
app.createAndStartNewAttempt(false);
};
}
private static final class FinalStateSavedTransition implements
MultipleArcTransition<RMAppImpl, RMAppEvent, RMAppState> {
@Override
public RMAppState transition(RMAppImpl app, RMAppEvent event) {
Map<ApplicationTimeoutType, Long> timeouts =
app.submissionContext.getApplicationTimeouts();
if (timeouts != null && timeouts.size() > 0) {
app.rmContext.getRMAppLifetimeMonitor()
.unregisterApp(app.getApplicationId(), timeouts.keySet());
}
if (app.transitionTodo instanceof SingleArcTransition) {
((SingleArcTransition) app.transitionTodo).transition(app,
app.eventCausingFinalSaving);
} else if (app.transitionTodo instanceof MultipleArcTransition) {
((MultipleArcTransition) app.transitionTodo).transition(app,
app.eventCausingFinalSaving);
}
return app.targetedFinalState;
}
}
private static class AttemptFailedFinalStateSavedTransition extends
RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
String msg = null;
if (event instanceof RMAppFailedAttemptEvent) {
msg = app.getAppAttemptFailedDiagnostics(event);
}
LOG.info(msg);
app.diagnostics.append(msg);
// Inform the node for app-finish
new FinalTransition(RMAppState.FAILED).transition(app, event);
}
}
private String getAppAttemptFailedDiagnostics(RMAppEvent event) {
String msg = null;
RMAppFailedAttemptEvent failedEvent = (RMAppFailedAttemptEvent) event;
if (this.submissionContext.getUnmanagedAM()) {
// RM does not manage the AM. Do not retry
msg = "Unmanaged application " + this.getApplicationId()
+ " failed due to " + failedEvent.getDiagnosticMsg()
+ ". Failing the application.";
} else if (this.isNumAttemptsBeyondThreshold) {
int globalLimit = conf.getInt(YarnConfiguration.GLOBAL_RM_AM_MAX_ATTEMPTS,
conf.getInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS));
msg = String.format(
"Application %s failed %d times%s%s due to %s. Failing the application.",
getApplicationId(),
maxAppAttempts,
(attemptFailuresValidityInterval <= 0 ? ""
: (" in previous " + attemptFailuresValidityInterval
+ " milliseconds")),
(globalLimit == maxAppAttempts) ? ""
: (" (global limit =" + globalLimit
+ "; local limit is =" + maxAppAttempts + ")"),
failedEvent.getDiagnosticMsg());
}
return msg;
}
private static final class RMAppNewlySavingTransition extends RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
long applicationLifetime =
app.getApplicationLifetime(ApplicationTimeoutType.LIFETIME);
applicationLifetime = app.scheduler
.checkAndGetApplicationLifetime(app.queue, applicationLifetime);
if (applicationLifetime > 0) {
// calculate next timeout value
Long newTimeout =
Long.valueOf(app.submitTime + (applicationLifetime * 1000));
app.rmContext.getRMAppLifetimeMonitor().registerApp(app.applicationId,
ApplicationTimeoutType.LIFETIME, newTimeout);
// update applicationTimeouts with new absolute value.
app.applicationTimeouts.put(ApplicationTimeoutType.LIFETIME,
newTimeout);
LOG.info("Application " + app.applicationId
+ " is registered for timeout monitor, type="
+ ApplicationTimeoutType.LIFETIME + " value=" + applicationLifetime
+ " seconds");
}
// If recovery is enabled then store the application information in a
// non-blocking call so make sure that RM has stored the information
// needed to restart the AM after RM restart without further client
// communication
LOG.info("Storing application with id " + app.applicationId);
app.rmContext.getStateStore().storeNewApplication(app);
}
}
private void rememberTargetTransitions(RMAppEvent event,
Object transitionToDo, RMAppState targetFinalState) {
transitionTodo = transitionToDo;
targetedFinalState = targetFinalState;
eventCausingFinalSaving = event;
}
private void rememberTargetTransitionsAndStoreState(RMAppEvent event,
Object transitionToDo, RMAppState targetFinalState,
RMAppState stateToBeStored) {
rememberTargetTransitions(event, transitionToDo, targetFinalState);
this.stateBeforeFinalSaving = getState();
this.storedFinishTime = this.systemClock.getTime();
LOG.info("Updating application " + this.applicationId
+ " with final state: " + this.targetedFinalState);
// we lost attempt_finished diagnostics in app, because attempt_finished
// diagnostics is sent after app final state is saved. Later on, we will
// create GetApplicationAttemptReport specifically for getting per attempt
// info.
String diags = null;
switch (event.getType()) {
case APP_REJECTED:
case ATTEMPT_FINISHED:
case ATTEMPT_KILLED:
diags = event.getDiagnosticMsg();
break;
case ATTEMPT_FAILED:
RMAppFailedAttemptEvent failedEvent = (RMAppFailedAttemptEvent) event;
diags = getAppAttemptFailedDiagnostics(failedEvent);
break;
default:
break;
}
ApplicationStateData appState =
ApplicationStateData.newInstance(this.submitTime, this.startTime,
this.getUser(), this.getRealUser(), this.submissionContext,
stateToBeStored, diags, this.launchTime, this.storedFinishTime,
this.callerContext);
appState.setApplicationTimeouts(this.applicationTimeouts);
this.rmContext.getStateStore().updateApplicationState(appState);
}
private static final class FinalSavingTransition extends RMAppTransition {
Object transitionToDo;
RMAppState targetedFinalState;
RMAppState stateToBeStored;
public FinalSavingTransition(Object transitionToDo,
RMAppState targetedFinalState) {
this(transitionToDo, targetedFinalState, targetedFinalState);
}
public FinalSavingTransition(Object transitionToDo,
RMAppState targetedFinalState, RMAppState stateToBeStored) {
this.transitionToDo = transitionToDo;
this.targetedFinalState = targetedFinalState;
this.stateToBeStored = stateToBeStored;
}
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
app.rememberTargetTransitionsAndStoreState(event, transitionToDo,
targetedFinalState, stateToBeStored);
}
}
private static class AttemptUnregisteredTransition extends RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
app.finishTime = app.storedFinishTime;
}
}
private static class AppFinishedTransition extends FinalTransition {
public AppFinishedTransition() {
super(RMAppState.FINISHED);
}
public void transition(RMAppImpl app, RMAppEvent event) {
app.diagnostics.append(event.getDiagnosticMsg());
super.transition(app, event);
};
}
private static class AttemptFinishedAtFinalSavingTransition extends
RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
if (app.targetedFinalState.equals(RMAppState.FAILED)
|| app.targetedFinalState.equals(RMAppState.KILLED)) {
// Ignore Attempt_Finished event if we were supposed to reach FAILED
// FINISHED state
return;
}
// pass in the earlier attempt_unregistered event, as it is needed in
// AppFinishedFinalStateSavedTransition later on
app.rememberTargetTransitions(event,
new AppFinishedFinalStateSavedTransition(app.eventCausingFinalSaving),
RMAppState.FINISHED);
};
}
private static class AppFinishedFinalStateSavedTransition extends
RMAppTransition {
RMAppEvent attemptUnregistered;
public AppFinishedFinalStateSavedTransition(RMAppEvent attemptUnregistered) {
this.attemptUnregistered = attemptUnregistered;
}
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
new AttemptUnregisteredTransition().transition(app, attemptUnregistered);
FINISHED_TRANSITION.transition(app, event);
};
}
/**
* Log the audit event for kill by client.
*
* @param event
* The {@link RMAppEvent} to be logged
*/
static void auditLogKillEvent(RMAppEvent event) {
if (event instanceof RMAppKillByClientEvent) {
RMAppKillByClientEvent killEvent = (RMAppKillByClientEvent) event;
UserGroupInformation callerUGI = killEvent.getCallerUGI();
String userName = null;
if (callerUGI != null) {
userName = callerUGI.getShortUserName();
}
InetAddress remoteIP = killEvent.getIp();
RMAuditLogger.logSuccess(userName, AuditConstants.KILL_APP_REQUEST,
"RMAppImpl", event.getApplicationId(), remoteIP);
}
}
private static class AppKilledTransition extends FinalTransition {
public AppKilledTransition() {
super(RMAppState.KILLED);
}
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
app.diagnostics.append(event.getDiagnosticMsg());
super.transition(app, event);
RMAppImpl.auditLogKillEvent(event);
};
}
private static class KillAttemptTransition extends RMAppTransition {
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
app.stateBeforeKilling = app.getState();
// Forward app kill diagnostics in the event to kill app attempt.
// These diagnostics will be returned back in ATTEMPT_KILLED event sent by
// RMAppAttemptImpl.
app.handler.handle(
new RMAppAttemptEvent(app.currentAttempt.getAppAttemptId(),
RMAppAttemptEventType.KILL, event.getDiagnosticMsg()));
RMAppImpl.auditLogKillEvent(event);
}
}
private static final class AppRejectedTransition extends FinalTransition {
public AppRejectedTransition() {
super(RMAppState.FAILED);
}
public void transition(RMAppImpl app, RMAppEvent event) {
app.diagnostics.append(event.getDiagnosticMsg());
super.transition(app, event);
};
}
/**
* Attempt to perform a type-specific cleanup after application has completed.
*
* @param app application to clean up
*/
static void appAdminClientCleanUp(RMAppImpl app) {
try {
AppAdminClient client = AppAdminClient.createAppAdminClient(app
.applicationType, app.conf);
int result = client.actionCleanUp(app.name, app.user);
if (result == 0) {
LOG.info("Type-specific cleanup of application " + app.applicationId
+ " of type " + app.applicationType + " succeeded");
} else {
LOG.warn("Type-specific cleanup of application " + app.applicationId
+ " of type " + app.applicationType + " did not succeed with exit"
+ " code " + result);
}
} catch (IllegalArgumentException e) {
// no AppAdminClient class has been specified for the application type,
// so this does not need to be logged
} catch (Exception e) {
LOG.warn("Could not run type-specific cleanup on application " +
app.applicationId + " of type " + app.applicationType, e);
}
}
private static class FinalTransition extends RMAppTransition {
private final RMAppState finalState;
FinalTransition(RMAppState finalState) {
this.finalState = finalState;
}
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
completeAndCleanupApp(app);
handleAppFinished(app);
app.clearUnusedFields();
appAdminClientCleanUp(app);
}
private void completeAndCleanupApp(RMAppImpl app) {
//cleanup app in RM Nodes
for (NodeId nodeId : app.getRanNodes()) {
app.handler.handle(
new RMNodeCleanAppEvent(nodeId, app.applicationId));
}
app.ranNodes.clear();
// Recovered apps that are completed were not added to scheduler, so no
// need to remove them from scheduler.
if (app.recoveredFinalState == null) {
app.handler.handle(new AppRemovedSchedulerEvent(app.applicationId,
finalState));
}
app.handler.handle(new RMAppManagerEvent(app.applicationId,
RMAppManagerEventType.APP_COMPLETED));
}
private void handleAppFinished(RMAppImpl app) {
app.logAggregation
.recordLogAggregationStartTime(app.systemClock.getTime());
// record finish time
app.finishTime = app.storedFinishTime;
if (app.finishTime == 0) {
app.finishTime = app.systemClock.getTime();
}
//record finish in history and metrics
app.rmContext.getRMApplicationHistoryWriter()
.applicationFinished(app, finalState);
app.rmContext.getSystemMetricsPublisher()
.appFinished(app, finalState, app.finishTime);
}
}
public int getNumFailedAppAttempts() {
int completedAttempts = 0;
// Do not count AM preemption, hardware failures or NM resync
// as attempt failure.
for (RMAppAttempt attempt : attempts.values()) {
if (attempt.shouldCountTowardsMaxAttemptRetry()) {
completedAttempts++;
}
}
return completedAttempts;
}
private static final class AttemptFailedTransition implements
MultipleArcTransition<RMAppImpl, RMAppEvent, RMAppState> {
private final RMAppState initialState;
public AttemptFailedTransition(RMAppState initialState) {
this.initialState = initialState;
}
@Override
public RMAppState transition(RMAppImpl app, RMAppEvent event) {
int numberOfFailure = app.getNumFailedAppAttempts();
if (app.maxAppAttempts == 1) {
// If the user explicitly set the attempts to 1 then there are likely
// correctness issues if the AM restarts for any reason.
LOG.info("Max app attempts is 1 for " + app.applicationId
+ ", preventing further attempts.");
numberOfFailure = app.maxAppAttempts;
} else {
LOG.info("The number of failed attempts"
+ (app.attemptFailuresValidityInterval > 0 ? " in previous "
+ app.attemptFailuresValidityInterval + " milliseconds " : " ")
+ "is " + numberOfFailure + ". The max attempts is "
+ app.maxAppAttempts);
if (app.attemptFailuresValidityInterval > 0) {
removeExcessAttempts(app);
}
}
if (!app.submissionContext.getUnmanagedAM()
&& numberOfFailure < app.maxAppAttempts) {
if (initialState.equals(RMAppState.KILLING)) {
// If this is not last attempt, app should be killed instead of
// launching a new attempt
app.rememberTargetTransitionsAndStoreState(event,
new AppKilledTransition(), RMAppState.KILLED, RMAppState.KILLED);
return RMAppState.FINAL_SAVING;
}
boolean transferStateFromPreviousAttempt;
RMAppFailedAttemptEvent failedEvent = (RMAppFailedAttemptEvent) event;
transferStateFromPreviousAttempt =
failedEvent.getTransferStateFromPreviousAttempt();
RMAppAttempt oldAttempt = app.currentAttempt;
app.createAndStartNewAttempt(transferStateFromPreviousAttempt);
// Transfer the state from the previous attempt to the current attempt.
// Note that the previous failed attempt may still be collecting the
// container events from the scheduler and update its data structures
// before the new attempt is created. We always transferState for
// finished containers so that they can be acked to NM,
// but when pulling finished container we will check this flag again.
((RMAppAttemptImpl) app.currentAttempt)
.transferStateFromAttempt(oldAttempt);
return initialState;
} else {
if (numberOfFailure >= app.maxAppAttempts) {
app.isNumAttemptsBeyondThreshold = true;
}
app.rememberTargetTransitionsAndStoreState(event,
new AttemptFailedFinalStateSavedTransition(), RMAppState.FAILED,
RMAppState.FAILED);
return RMAppState.FINAL_SAVING;
}
}
private void removeExcessAttempts(RMAppImpl app) {
while (app.nextAttemptId
- app.firstAttemptIdInStateStore > app.maxAppAttempts) {
// attempts' first element is oldest attempt because it is a
// LinkedHashMap
ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(
app.getApplicationId(), app.firstAttemptIdInStateStore);
RMAppAttempt rmAppAttempt = app.getRMAppAttempt(attemptId);
long endTime = app.systemClock.getTime();
if (rmAppAttempt.getFinishTime() < (endTime
- app.attemptFailuresValidityInterval)) {
app.firstAttemptIdInStateStore++;
LOG.info("Remove attempt from state store : " + attemptId);
app.rmContext.getStateStore().removeApplicationAttempt(attemptId);
} else {
break;
}
}
}
}
@Override
public String getApplicationType() {
return this.applicationType;
}
@Override
public Set<String> getApplicationTags() {
return this.applicationTags;
}
@Override
public boolean isAppFinalStateStored() {
RMAppState state = getState();
return state.equals(RMAppState.FINISHING)
|| state.equals(RMAppState.FINISHED) || state.equals(RMAppState.FAILED)
|| state.equals(RMAppState.KILLED);
}
@Override
public YarnApplicationState createApplicationState() {
RMAppState rmAppState = getState();
// If App is in FINAL_SAVING state, return its previous state.
if (rmAppState.equals(RMAppState.FINAL_SAVING)) {
rmAppState = stateBeforeFinalSaving;
}
if (rmAppState.equals(RMAppState.KILLING)) {
rmAppState = stateBeforeKilling;
}
return RMServerUtils.createApplicationState(rmAppState);
}
public static boolean isAppInFinalState(RMApp rmApp) {
RMAppState appState = ((RMAppImpl) rmApp).getRecoveredFinalState();
if (appState == null) {
appState = rmApp.getState();
}
return appState == RMAppState.FAILED || appState == RMAppState.FINISHED
|| appState == RMAppState.KILLED;
}
@Override
public boolean isAppInCompletedStates() {
RMAppState appState = getState();
return appState == RMAppState.FINISHED || appState == RMAppState.FINISHING
|| appState == RMAppState.FAILED || appState == RMAppState.KILLED
|| appState == RMAppState.FINAL_SAVING
|| appState == RMAppState.KILLING;
}
@Override
public ApplicationPlacementContext getApplicationPlacementContext() {
return placementContext;
}
public RMAppState getRecoveredFinalState() {
return this.recoveredFinalState;
}
@Override
public Set<NodeId> getRanNodes() {
return ranNodes;
}
@Override
public RMAppMetrics getRMAppMetrics() {
Resource resourcePreempted = Resource.newInstance(0, 0);
int numAMContainerPreempted = 0;
int numNonAMContainerPreempted = 0;
Map<String, Long> resourceSecondsMap = new HashMap<>();
Map<String, Long> preemptedSecondsMap = new HashMap<>();
int totalAllocatedContainers = 0;
this.readLock.lock();
try {
for (RMAppAttempt attempt : attempts.values()) {
if (null != attempt) {
RMAppAttemptMetrics attemptMetrics =
attempt.getRMAppAttemptMetrics();
Resources.addTo(resourcePreempted,
attemptMetrics.getResourcePreempted());
numAMContainerPreempted += attemptMetrics.getIsPreempted() ? 1 : 0;
numNonAMContainerPreempted +=
attemptMetrics.getNumNonAMContainersPreempted();
// getAggregateAppResourceUsage() will calculate resource usage stats
// for both running and finished containers.
AggregateAppResourceUsage resUsage =
attempt.getRMAppAttemptMetrics().getAggregateAppResourceUsage();
for (Map.Entry<String, Long> entry : resUsage
.getResourceUsageSecondsMap().entrySet()) {
long value = RMServerUtils
.getOrDefault(resourceSecondsMap, entry.getKey(), 0L);
value += entry.getValue();
resourceSecondsMap.put(entry.getKey(), value);
}
for (Map.Entry<String, Long> entry : attemptMetrics
.getPreemptedResourceSecondsMap().entrySet()) {
long value = RMServerUtils
.getOrDefault(preemptedSecondsMap, entry.getKey(), 0L);
value += entry.getValue();
preemptedSecondsMap.put(entry.getKey(), value);
}
totalAllocatedContainers +=
attemptMetrics.getTotalAllocatedContainers();
}
}
} finally {
this.readLock.unlock();
}
return new RMAppMetrics(resourcePreempted, numNonAMContainerPreempted,
numAMContainerPreempted, resourceSecondsMap, preemptedSecondsMap,
totalAllocatedContainers);
}
@Private
@VisibleForTesting
public void setSystemClock(Clock clock) {
this.systemClock = clock;
}
@Override
public ReservationId getReservationId() {
return submissionContext.getReservationID();
}
@Override
public List<ResourceRequest> getAMResourceRequests() {
return this.amReqs;
}
@Override
public Map<NodeId, LogAggregationReport> getLogAggregationReportsForApp() {
return logAggregation.getLogAggregationReportsForApp(this);
}
public void aggregateLogReport(NodeId nodeId, LogAggregationReport report) {
logAggregation.aggregateLogReport(nodeId, report, this);
}
public String getLogAggregationFailureMessagesForNM(NodeId nodeId) {
return logAggregation.getLogAggregationFailureMessagesForNM(nodeId);
}
@Override
public LogAggregationStatus getLogAggregationStatusForAppReport() {
return logAggregation
.getLogAggregationStatusForAppReport(this);
}
@Override
public String getAppNodeLabelExpression() {
String appNodeLabelExpression =
getApplicationSubmissionContext().getNodeLabelExpression();
appNodeLabelExpression = (appNodeLabelExpression == null)
? NodeLabel.NODE_LABEL_EXPRESSION_NOT_SET : appNodeLabelExpression;
appNodeLabelExpression = (appNodeLabelExpression.trim().isEmpty())
? NodeLabel.DEFAULT_NODE_LABEL_PARTITION : appNodeLabelExpression;
return appNodeLabelExpression;
}
@Override
public String getAmNodeLabelExpression() {
String amNodeLabelExpression = null;
if (!getApplicationSubmissionContext().getUnmanagedAM()) {
amNodeLabelExpression =
getAMResourceRequests() != null && !getAMResourceRequests().isEmpty()
? getAMResourceRequests().get(0).getNodeLabelExpression() : null;
amNodeLabelExpression = (amNodeLabelExpression == null)
? NodeLabel.NODE_LABEL_EXPRESSION_NOT_SET : amNodeLabelExpression;
amNodeLabelExpression = (amNodeLabelExpression.trim().isEmpty())
? NodeLabel.DEFAULT_NODE_LABEL_PARTITION : amNodeLabelExpression;
}
return amNodeLabelExpression;
}
@Override
public CallerContext getCallerContext() {
return callerContext;
}
private void sendATSCreateEvent() {
rmContext.getRMApplicationHistoryWriter().applicationStarted(this);
rmContext.getSystemMetricsPublisher().appCreated(this, this.startTime);
String appViewACLs = submissionContext.getAMContainerSpec()
.getApplicationACLs().get(ApplicationAccessType.VIEW_APP);
rmContext.getSystemMetricsPublisher().appACLsUpdated(
this, appViewACLs, systemClock.getTime());
}
@Private
@VisibleForTesting
public int getNextAttemptId() {
return nextAttemptId;
}
private long getApplicationLifetime(ApplicationTimeoutType type) {
Map<ApplicationTimeoutType, Long> timeouts =
this.submissionContext.getApplicationTimeouts();
long applicationLifetime = -1;
if (timeouts != null && timeouts.containsKey(type)) {
applicationLifetime = timeouts.get(type);
}
return applicationLifetime;
}
@Override
public Map<ApplicationTimeoutType, Long> getApplicationTimeouts() {
this.readLock.lock();
try {
return new HashMap(this.applicationTimeouts);
} finally {
this.readLock.unlock();
}
}
public void updateApplicationTimeout(
Map<ApplicationTimeoutType, Long> updateTimeout) {
this.writeLock.lock();
try {
if (COMPLETED_APP_STATES.contains(getState())) {
return;
}
// update monitoring service
this.rmContext.getRMAppLifetimeMonitor()
.updateApplicationTimeouts(getApplicationId(), updateTimeout);
this.applicationTimeouts.putAll(updateTimeout);
} finally {
this.writeLock.unlock();
}
}
@Override
public Priority getApplicationPriority() {
return applicationPriority;
}
public void setApplicationPriority(Priority applicationPriority) {
this.applicationPriority = applicationPriority;
}
/**
* Clear Unused fields to free memory.
*/
private void clearUnusedFields() {
this.submissionContext.setAMContainerSpec(null);
this.submissionContext.setLogAggregationContext(null);
}
@Override
public Map<String, String> getApplicationSchedulingEnvs() {
return this.applicationSchedulingEnvs;
}
/**
* catch the InvalidStateTransition.
* @param state
* @param rmAppEventType
*/
protected void onInvalidStateTransition(RMAppEventType rmAppEventType,
RMAppState state){
/* TODO fail the application on the failed transition */
}
@VisibleForTesting
long getLogAggregationStartTime() {
return logAggregation.getLogAggregationStartTime();
}
Clock getSystemClock() {
return systemClock;
}
@Override
public String getRealUser() {
UserGroupInformation realUserUgi = this.userUgi.getRealUser();
return (realUserUgi != null) ? realUserUgi.getShortUserName() : null;
}
}
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