Package org.apache.hadoop.yarn.server.nodemanager.recovery

Class NMStateStoreService

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service

Direct Known Subclasses:

NMLeveldbStateStoreService, NMNullStateStoreService

@Private
@Unstable
public abstract class NMStateStoreService
extends org.apache.hadoop.service.AbstractService

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NMStateStoreService.LocalResourceTrackerState
static class	NMStateStoreService.RecoveredAMRMProxyState	Recovered states for AMRMProxy.
static class	NMStateStoreService.RecoveredApplicationsState
static class	NMStateStoreService.RecoveredContainerState
static class	NMStateStoreService.RecoveredContainerStatus
static class	NMStateStoreService.RecoveredContainerTokensState
static class	NMStateStoreService.RecoveredContainerType	Type of post recovery action.
static class	NMStateStoreService.RecoveredDeletionServiceState
static class	NMStateStoreService.RecoveredLocalizationState
static class	NMStateStoreService.RecoveredLogDeleterState
static class	NMStateStoreService.RecoveredNMTokensState
static class	NMStateStoreService.RecoveredUserResources

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Constructor Summary

Constructors

Constructor	Description
NMStateStoreService(java.lang.String name)

Method Summary

Modifier and Type	Method	Description
boolean	canRecover()
protected abstract void	closeStorage()
abstract void	finishResourceLocalization(java.lang.String user, org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.LocalizedResourceProto proto)	Record the completion of a resource localization
abstract RecoveryIterator<NMStateStoreService.RecoveredContainerState>	getContainerStateIterator()	get the Recovered Container State Iterator
protected NodeStatusUpdater	getNodeStatusUpdater()
protected abstract void	initStorage(org.apache.hadoop.conf.Configuration conf)
boolean	isNewlyCreated()
abstract NMStateStoreService.RecoveredAMRMProxyState	loadAMRMProxyState()	Load the state of AMRMProxy.
abstract NMStateStoreService.RecoveredApplicationsState	loadApplicationsState()	Load the state of applications.
abstract NMStateStoreService.RecoveredContainerTokensState	loadContainerTokensState()	Load the state of container tokens
abstract NMStateStoreService.RecoveredDeletionServiceState	loadDeletionServiceState()	Load the state of the deletion service
abstract NMStateStoreService.RecoveredLocalizationState	loadLocalizationState()	Load the state of localized resources
abstract NMStateStoreService.RecoveredLogDeleterState	loadLogDeleterState()	Load the state of log deleters
abstract NMStateStoreService.RecoveredNMTokensState	loadNMTokensState()	Load the state of NM tokens
void	releaseAssignedResources(org.apache.hadoop.yarn.api.records.ContainerId containerId, java.lang.String resourceType)	Delete the assigned resources of a container of specific resourceType.
abstract void	removeAMRMProxyAppContext(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt)	Remove the entire context map for an application attempt in AMRMProxyService.
abstract void	removeAMRMProxyAppContextEntry(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt, java.lang.String key)	Remove a context entry for an application attempt in AMRMProxyService.
abstract void	removeApplication(org.apache.hadoop.yarn.api.records.ApplicationId appId)	Remove records corresponding to an application
abstract void	removeContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Remove records corresponding to a container
abstract void	removeContainerPaused(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Record that a container has been resumed at the NM by removing the fact that it has be paused.
abstract void	removeContainerToken(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Remove records for a container token
abstract void	removeDeletionTask(int taskId)	Remove records corresponding to a deletion task
abstract void	removeLocalizedResource(java.lang.String user, org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.fs.Path localPath)	Remove records related to a resource localization
abstract void	removeLogDeleter(org.apache.hadoop.yarn.api.records.ApplicationId appId)	Remove the state of a log deleter
abstract void	removeNMTokenApplicationMasterKey(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt)	Remove a master key corresponding to an application
void	serviceInit(org.apache.hadoop.conf.Configuration conf)	Initialize the state storage
void	serviceStart()	Start the state storage for use
void	serviceStop()	Shutdown the state storage.
void	setNodeStatusUpdater(NodeStatusUpdater nodeStatusUpdater)
abstract void	startResourceLocalization(java.lang.String user, org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceProto proto, org.apache.hadoop.fs.Path localPath)	Record the start of localization for a resource
protected abstract void	startStorage()
abstract void	storeAMRMProxyAppContextEntry(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt, java.lang.String key, byte[] data)	Add a context entry for an application attempt in AMRMProxyService.
abstract void	storeAMRMProxyCurrentMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)	Record the current AMRMProxyTokenSecretManager master key.
abstract void	storeAMRMProxyNextMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)	Record the next AMRMProxyTokenSecretManager master key.
abstract void	storeApplication(org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto p)	Record the start of an application
abstract void	storeAssignedResources(Container container, java.lang.String resourceType, java.util.List<java.io.Serializable> assignedResources)	Store the assigned resources to a container.
abstract void	storeContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId, int containerVersion, long startTime, org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest startRequest)	Record a container start request
abstract void	storeContainerCompleted(org.apache.hadoop.yarn.api.records.ContainerId containerId, int exitCode)	Record that a container has completed
abstract void	storeContainerDiagnostics(org.apache.hadoop.yarn.api.records.ContainerId containerId, java.lang.StringBuilder diagnostics)	Record diagnostics for a container
abstract void	storeContainerKilled(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Record a request to kill a container
abstract void	storeContainerLaunched(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Record that a container has been launched
abstract void	storeContainerLogDir(org.apache.hadoop.yarn.api.records.ContainerId containerId, java.lang.String logDir)	Record log directory for a container.
abstract void	storeContainerPaused(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Record that a container has been paused at the NM.
abstract void	storeContainerQueued(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Record that a container has been queued at the NM
abstract void	storeContainerRemainingRetryAttempts(org.apache.hadoop.yarn.api.records.ContainerId containerId, int remainingRetryAttempts)	Record remaining retry attempts for a container.
abstract void	storeContainerRestartTimes(org.apache.hadoop.yarn.api.records.ContainerId containerId, java.util.List<java.lang.Long> restartTimes)	Record restart times for a container.
abstract void	storeContainerToken(org.apache.hadoop.yarn.api.records.ContainerId containerId, java.lang.Long expirationTime)	Record the expiration time for a container token
abstract void	storeContainerTokenCurrentMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)	Record the current container token master key
abstract void	storeContainerTokenPreviousMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)	Record the previous container token master key
abstract void	storeContainerUpdateToken(org.apache.hadoop.yarn.api.records.ContainerId containerId, org.apache.hadoop.yarn.security.ContainerTokenIdentifier containerTokenIdentifier)	Record that a container has been updated
abstract void	storeContainerWorkDir(org.apache.hadoop.yarn.api.records.ContainerId containerId, java.lang.String workDir)	Record working directory for a container.
abstract void	storeDeletionTask(int taskId, org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.DeletionServiceDeleteTaskProto taskProto)	Record a deletion task
abstract void	storeLogDeleter(org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.LogDeleterProto proto)	Store the state of a log deleter
abstract void	storeNMTokenApplicationMasterKey(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt, org.apache.hadoop.yarn.server.api.records.MasterKey key)	Record a master key corresponding to an application
abstract void	storeNMTokenCurrentMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)	Record the current NM token master key
abstract void	storeNMTokenPreviousMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)	Record the previous NM token master key
protected void	updateContainerResourceMapping(Container container, java.lang.String resourceType, java.util.List<java.io.Serializable> assignedResources)

Methods inherited from class org.apache.hadoop.service.AbstractService

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NMStateStoreService

public NMStateStoreService(java.lang.String name)

Method Detail

getNodeStatusUpdater

protected NodeStatusUpdater getNodeStatusUpdater()

setNodeStatusUpdater

public void setNodeStatusUpdater(NodeStatusUpdater nodeStatusUpdater)

serviceInit

public void serviceInit(org.apache.hadoop.conf.Configuration conf)
                 throws java.io.IOException

Initialize the state storage

Overrides:

serviceInit in class org.apache.hadoop.service.AbstractService

Throws:

java.io.IOException

serviceStart

public void serviceStart()
                  throws java.io.IOException

Start the state storage for use

Overrides:

serviceStart in class org.apache.hadoop.service.AbstractService

Throws:

java.io.IOException

serviceStop

public void serviceStop()
                 throws java.io.IOException

Shutdown the state storage.

Overrides:

serviceStop in class org.apache.hadoop.service.AbstractService

Throws:

java.io.IOException

canRecover

public boolean canRecover()

isNewlyCreated

public boolean isNewlyCreated()

loadApplicationsState

public abstract NMStateStoreService.RecoveredApplicationsState loadApplicationsState()
                                                                              throws java.io.IOException

Load the state of applications.

Returns:

recovered state for applications.

Throws:

java.io.IOException - IO Exception.

storeApplication

public abstract void storeApplication(org.apache.hadoop.yarn.api.records.ApplicationId appId,
                                      org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto p)
                               throws java.io.IOException

Record the start of an application

Parameters:

appId - the application ID

p - state to store for the application

Throws:

java.io.IOException

removeApplication

public abstract void removeApplication(org.apache.hadoop.yarn.api.records.ApplicationId appId)
                                throws java.io.IOException

Remove records corresponding to an application

Parameters:

appId - the application ID

Throws:

java.io.IOException

getContainerStateIterator

public abstract RecoveryIterator<NMStateStoreService.RecoveredContainerState> getContainerStateIterator()
                                                                                                 throws java.io.IOException

get the Recovered Container State Iterator

Returns:

recovery iterator

Throws:

java.io.IOException

storeContainer

public abstract void storeContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                    int containerVersion,
                                    long startTime,
                                    org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest startRequest)
                             throws java.io.IOException

Record a container start request

Parameters:

containerId - the container ID

containerVersion - the container Version

startTime - container start time

startRequest - the container start request

Throws:

java.io.IOException

storeContainerQueued

public abstract void storeContainerQueued(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                                   throws java.io.IOException

Record that a container has been queued at the NM

Parameters:

containerId - the container ID

Throws:

java.io.IOException

storeContainerPaused

public abstract void storeContainerPaused(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                                   throws java.io.IOException

Record that a container has been paused at the NM.

Parameters:

containerId - the container ID.

Throws:

java.io.IOException - IO Exception.

removeContainerPaused

public abstract void removeContainerPaused(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                                    throws java.io.IOException

Record that a container has been resumed at the NM by removing the fact that it has be paused.

Parameters:

containerId - the container ID.

Throws:

java.io.IOException - IO Exception.

storeContainerLaunched

public abstract void storeContainerLaunched(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                                     throws java.io.IOException

Record that a container has been launched

Parameters:

containerId - the container ID

Throws:

java.io.IOException

storeContainerUpdateToken

public abstract void storeContainerUpdateToken(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                               org.apache.hadoop.yarn.security.ContainerTokenIdentifier containerTokenIdentifier)
                                        throws java.io.IOException

Record that a container has been updated

Parameters:

containerId - the container ID

containerTokenIdentifier - container token identifier

Throws:

java.io.IOException

storeContainerCompleted

public abstract void storeContainerCompleted(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                             int exitCode)
                                      throws java.io.IOException

Record that a container has completed

Parameters:

containerId - the container ID

exitCode - the exit code from the container

Throws:

java.io.IOException

storeContainerKilled

public abstract void storeContainerKilled(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                                   throws java.io.IOException

Record a request to kill a container

Parameters:

containerId - the container ID

Throws:

java.io.IOException

storeContainerDiagnostics

public abstract void storeContainerDiagnostics(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                               java.lang.StringBuilder diagnostics)
                                        throws java.io.IOException

Record diagnostics for a container

Parameters:

containerId - the container ID

diagnostics - the container diagnostics

Throws:

java.io.IOException

storeContainerRemainingRetryAttempts

public abstract void storeContainerRemainingRetryAttempts(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                                          int remainingRetryAttempts)
                                                   throws java.io.IOException

Record remaining retry attempts for a container.

Parameters:

containerId - the container ID

remainingRetryAttempts - the remain retry times when container fails to run

Throws:

java.io.IOException

storeContainerRestartTimes

public abstract void storeContainerRestartTimes(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                                java.util.List<java.lang.Long> restartTimes)
                                         throws java.io.IOException

Record restart times for a container.

Parameters:

containerId -

restartTimes -

Throws:

java.io.IOException

storeContainerWorkDir

public abstract void storeContainerWorkDir(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                           java.lang.String workDir)
                                    throws java.io.IOException

Record working directory for a container.

Parameters:

containerId - the container ID

workDir - the working directory

Throws:

java.io.IOException

storeContainerLogDir

public abstract void storeContainerLogDir(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                          java.lang.String logDir)
                                   throws java.io.IOException

Record log directory for a container.

Parameters:

containerId - the container ID

logDir - the log directory

Throws:

java.io.IOException

removeContainer

public abstract void removeContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                              throws java.io.IOException

Remove records corresponding to a container

Parameters:

containerId - the container ID

Throws:

java.io.IOException

loadLocalizationState

public abstract NMStateStoreService.RecoveredLocalizationState loadLocalizationState()
                                                                              throws java.io.IOException

Load the state of localized resources

Returns:

recovered localized resource state

Throws:

java.io.IOException

startResourceLocalization

public abstract void startResourceLocalization(java.lang.String user,
                                               org.apache.hadoop.yarn.api.records.ApplicationId appId,
                                               org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceProto proto,
                                               org.apache.hadoop.fs.Path localPath)
                                        throws java.io.IOException

Record the start of localization for a resource

Parameters:

user - the username or null if the resource is public

appId - the application ID if the resource is app-specific or null

proto - the resource request

localPath - local filesystem path where the resource will be stored

Throws:

java.io.IOException

finishResourceLocalization

public abstract void finishResourceLocalization(java.lang.String user,
                                                org.apache.hadoop.yarn.api.records.ApplicationId appId,
                                                org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.LocalizedResourceProto proto)
                                         throws java.io.IOException

Record the completion of a resource localization

Parameters:

user - the username or null if the resource is public

appId - the application ID if the resource is app-specific or null

proto - the serialized localized resource

Throws:

java.io.IOException

removeLocalizedResource

public abstract void removeLocalizedResource(java.lang.String user,
                                             org.apache.hadoop.yarn.api.records.ApplicationId appId,
                                             org.apache.hadoop.fs.Path localPath)
                                      throws java.io.IOException

Remove records related to a resource localization

Parameters:

user - the username or null if the resource is public

appId - the application ID if the resource is app-specific or null

localPath - local filesystem path where the resource will be stored

Throws:

java.io.IOException

loadDeletionServiceState

public abstract NMStateStoreService.RecoveredDeletionServiceState loadDeletionServiceState()
                                                                                    throws java.io.IOException

Load the state of the deletion service

Returns:

recovered deletion service state

Throws:

java.io.IOException

storeDeletionTask

public abstract void storeDeletionTask(int taskId,
                                       org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.DeletionServiceDeleteTaskProto taskProto)
                                throws java.io.IOException

Record a deletion task

Parameters:

taskId - the deletion task ID

taskProto - the deletion task protobuf

Throws:

java.io.IOException

removeDeletionTask

public abstract void removeDeletionTask(int taskId)
                                 throws java.io.IOException

Remove records corresponding to a deletion task

Parameters:

taskId - the deletion task ID

Throws:

java.io.IOException

loadNMTokensState

public abstract NMStateStoreService.RecoveredNMTokensState loadNMTokensState()
                                                                      throws java.io.IOException

Load the state of NM tokens

Returns:

recovered state of NM tokens

Throws:

java.io.IOException

storeNMTokenCurrentMasterKey

public abstract void storeNMTokenCurrentMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)
                                           throws java.io.IOException

Record the current NM token master key

Parameters:

key - the master key

Throws:

java.io.IOException

storeNMTokenPreviousMasterKey

public abstract void storeNMTokenPreviousMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)
                                            throws java.io.IOException

Record the previous NM token master key

Parameters:

key - the previous master key

Throws:

java.io.IOException

storeNMTokenApplicationMasterKey

public abstract void storeNMTokenApplicationMasterKey(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt,
                                                      org.apache.hadoop.yarn.server.api.records.MasterKey key)
                                               throws java.io.IOException

Record a master key corresponding to an application

Parameters:

attempt - the application attempt ID

key - the master key

Throws:

java.io.IOException

removeNMTokenApplicationMasterKey

public abstract void removeNMTokenApplicationMasterKey(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt)
                                                throws java.io.IOException

Remove a master key corresponding to an application

Parameters:

attempt - the application attempt ID

Throws:

java.io.IOException

loadContainerTokensState

public abstract NMStateStoreService.RecoveredContainerTokensState loadContainerTokensState()
                                                                                    throws java.io.IOException

Load the state of container tokens

Returns:

recovered state of container tokens

Throws:

java.io.IOException

storeContainerTokenCurrentMasterKey

public abstract void storeContainerTokenCurrentMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)
                                                  throws java.io.IOException

Record the current container token master key

Parameters:

key - the master key

Throws:

java.io.IOException

storeContainerTokenPreviousMasterKey

public abstract void storeContainerTokenPreviousMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)
                                                   throws java.io.IOException

Record the previous container token master key

Parameters:

key - the previous master key

Throws:

java.io.IOException

storeContainerToken

public abstract void storeContainerToken(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                         java.lang.Long expirationTime)
                                  throws java.io.IOException

Record the expiration time for a container token

Parameters:

containerId - the container ID

expirationTime - the container token expiration time

Throws:

java.io.IOException

removeContainerToken

public abstract void removeContainerToken(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                                   throws java.io.IOException

Remove records for a container token

Parameters:

containerId - the container ID

Throws:

java.io.IOException

loadLogDeleterState

public abstract NMStateStoreService.RecoveredLogDeleterState loadLogDeleterState()
                                                                          throws java.io.IOException

Load the state of log deleters

Returns:

recovered log deleter state

Throws:

java.io.IOException

storeLogDeleter

public abstract void storeLogDeleter(org.apache.hadoop.yarn.api.records.ApplicationId appId,
                                     org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.LogDeleterProto proto)
                              throws java.io.IOException

Store the state of a log deleter

Parameters:

appId - the application ID for the log deleter

proto - the serialized state of the log deleter

Throws:

java.io.IOException

removeLogDeleter

public abstract void removeLogDeleter(org.apache.hadoop.yarn.api.records.ApplicationId appId)
                               throws java.io.IOException

Remove the state of a log deleter

Parameters:

appId - the application ID for the log deleter

Throws:

java.io.IOException

loadAMRMProxyState

public abstract NMStateStoreService.RecoveredAMRMProxyState loadAMRMProxyState()
                                                                        throws java.io.IOException

Load the state of AMRMProxy.

Returns:

recovered state of AMRMProxy

Throws:

java.io.IOException - if fails

storeAMRMProxyCurrentMasterKey

public abstract void storeAMRMProxyCurrentMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)
                                             throws java.io.IOException

Record the current AMRMProxyTokenSecretManager master key.

Parameters:

key - the current master key

Throws:

java.io.IOException - if fails

storeAMRMProxyNextMasterKey

public abstract void storeAMRMProxyNextMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey key)
                                          throws java.io.IOException

Record the next AMRMProxyTokenSecretManager master key.

Parameters:

key - the next master key

Throws:

java.io.IOException - if fails

storeAMRMProxyAppContextEntry

public abstract void storeAMRMProxyAppContextEntry(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt,
                                                   java.lang.String key,
                                                   byte[] data)
                                            throws java.io.IOException

Add a context entry for an application attempt in AMRMProxyService.

Parameters:

attempt - app attempt ID

key - key string

data - state data to store

Throws:

java.io.IOException - if fails

removeAMRMProxyAppContextEntry

public abstract void removeAMRMProxyAppContextEntry(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt,
                                                    java.lang.String key)
                                             throws java.io.IOException

Remove a context entry for an application attempt in AMRMProxyService.

Parameters:

attempt - attempt ID

key - key string

Throws:

java.io.IOException - if fails

removeAMRMProxyAppContext

public abstract void removeAMRMProxyAppContext(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attempt)
                                        throws java.io.IOException

Remove the entire context map for an application attempt in AMRMProxyService.

Parameters:

attempt - attempt ID

Throws:

java.io.IOException - if fails

storeAssignedResources

public abstract void storeAssignedResources(Container container,
                                            java.lang.String resourceType,
                                            java.util.List<java.io.Serializable> assignedResources)
                                     throws java.io.IOException

Store the assigned resources to a container.

Parameters:

container - NMContainer

resourceType - Resource Type

assignedResources - Assigned resources

Throws:

java.io.IOException - if fails

releaseAssignedResources

public void releaseAssignedResources(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                                     java.lang.String resourceType)
                              throws java.io.IOException

Delete the assigned resources of a container of specific resourceType.

Parameters:

containerId - Container Id

resourceType - resource Type

Throws:

java.io.IOException - while releasing resources

initStorage

protected abstract void initStorage(org.apache.hadoop.conf.Configuration conf)
                             throws java.io.IOException

Throws:

java.io.IOException

startStorage

protected abstract void startStorage()
                              throws java.io.IOException

Throws:

java.io.IOException

closeStorage

protected abstract void closeStorage()
                              throws java.io.IOException

Throws:

java.io.IOException

updateContainerResourceMapping

protected void updateContainerResourceMapping(Container container,
                                              java.lang.String resourceType,
                                              java.util.List<java.io.Serializable> assignedResources)