Package org.apache.flink.runtime.state

Class TaskExecutorLocalStateStoresManager

java.lang.Object

org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager

public class TaskExecutorLocalStateStoresManager
extends Object

This class holds the all TaskLocalStateStoreImpl objects for a task executor (manager).

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ALLOCATION_DIR_PREFIX

Constructor Summary

Constructors

Constructor	Description
TaskExecutorLocalStateStoresManager(boolean localRecoveryEnabled, boolean localBackupEnabled, org.apache.flink.util.Reference<File[]> localStateRootDirectories, Executor discardExecutor)

Method Summary

Modifier and Type	Method	Description
TaskLocalStateStore	localStateStoreForSubtask(org.apache.flink.api.common.JobID jobId, AllocationID allocationID, JobVertexID jobVertexID, int subtaskIndex, org.apache.flink.configuration.Configuration clusterConfiguration, org.apache.flink.configuration.Configuration jobConfiguration)
void	releaseLocalStateForAllocationId(AllocationID allocationID)
void	retainLocalStateForAllocations(Set<AllocationID> allocationsToRetain)	Retains the given set of allocations.
void	shutdown()

Methods inherited from class java.lang.Object

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

Field Details

ALLOCATION_DIR_PREFIX

public static final String ALLOCATION_DIR_PREFIX

See Also:

• Constant Field Values

Constructor Details

TaskExecutorLocalStateStoresManager

public TaskExecutorLocalStateStoresManager(boolean localRecoveryEnabled,
 boolean localBackupEnabled,
 @Nonnull
 org.apache.flink.util.Reference<File[]> localStateRootDirectories,
 @Nonnull
 Executor discardExecutor)
                                    throws IOException

Throws:

IOException

Method Details

localStateStoreForSubtask

@Nonnull
public TaskLocalStateStore localStateStoreForSubtask(@Nonnull
 org.apache.flink.api.common.JobID jobId,
 @Nonnull
 AllocationID allocationID,
 @Nonnull
 JobVertexID jobVertexID,
 @Nonnegative
 int subtaskIndex,
 org.apache.flink.configuration.Configuration clusterConfiguration,
 org.apache.flink.configuration.Configuration jobConfiguration)

releaseLocalStateForAllocationId

public void releaseLocalStateForAllocationId(@Nonnull
 AllocationID allocationID)

retainLocalStateForAllocations

public void retainLocalStateForAllocations(Set<AllocationID> allocationsToRetain)

Retains the given set of allocations. All other allocations will be released.

Parameters:

allocationsToRetain -

shutdown

public void shutdown()