org.apache.flink.runtime.dispatcher

Class FileArchivedExecutionGraphStore

java.lang.Object

org.apache.flink.runtime.dispatcher.FileArchivedExecutionGraphStore

All Implemented Interfaces:

Closeable, AutoCloseable, ArchivedExecutionGraphStore

public class FileArchivedExecutionGraphStore
extends Object
implements ArchivedExecutionGraphStore

Store for ArchivedExecutionGraph. The store writes the archived execution graph to disk and keeps the most recently used execution graphs in a memory cache for faster serving. Moreover, the stored execution graphs are periodically cleaned up.

Constructor Summary

Constructors

Constructor and Description
FileArchivedExecutionGraphStore(File rootDir, org.apache.flink.api.common.time.Time expirationTime, int maximumCapacity, long maximumCacheSizeBytes, ScheduledExecutor scheduledExecutor, org.apache.flink.shaded.guava18.com.google.common.base.Ticker ticker)

Method Summary

Modifier and Type	Method and Description
void	close()
ArchivedExecutionGraph	get(org.apache.flink.api.common.JobID jobId) Get the ArchivedExecutionGraph for the given job id.
Collection<JobDetails>	getAvailableJobDetails() Return the collection of JobDetails of all currently stored jobs.
JobDetails	getAvailableJobDetails(org.apache.flink.api.common.JobID jobId) Return the JobDetails} for the given job.
JobsOverview	getStoredJobsOverview() Return the JobsOverview for all stored/past jobs.
void	put(ArchivedExecutionGraph archivedExecutionGraph) Store the given ArchivedExecutionGraph in the store.
int	size() Returns the current number of stored ArchivedExecutionGraph.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileArchivedExecutionGraphStore

public FileArchivedExecutionGraphStore(File rootDir,
                                       org.apache.flink.api.common.time.Time expirationTime,
                                       int maximumCapacity,
                                       long maximumCacheSizeBytes,
                                       ScheduledExecutor scheduledExecutor,
                                       org.apache.flink.shaded.guava18.com.google.common.base.Ticker ticker)
                                throws IOException

Throws:

IOException

Method Detail

size

public int size()

Description copied from interface: ArchivedExecutionGraphStore

Returns the current number of stored ArchivedExecutionGraph.

Specified by:

size in interface ArchivedExecutionGraphStore

Returns:

Current number of stored ArchivedExecutionGraph

get

@Nullable
public ArchivedExecutionGraph get(org.apache.flink.api.common.JobID jobId)

Description copied from interface: ArchivedExecutionGraphStore

Get the ArchivedExecutionGraph for the given job id. Null if it isn't stored.

Specified by:

get in interface ArchivedExecutionGraphStore

Parameters:

jobId - identifying the serializable execution graph to retrieve

Returns:

The stored serializable execution graph or null

put

public void put(ArchivedExecutionGraph archivedExecutionGraph)
         throws IOException

Description copied from interface: ArchivedExecutionGraphStore

Store the given ArchivedExecutionGraph in the store.

Specified by:

put in interface ArchivedExecutionGraphStore

Parameters:

archivedExecutionGraph - to store

Throws:

IOException - if the serializable execution graph could not be stored in the store

getStoredJobsOverview

public JobsOverview getStoredJobsOverview()

Description copied from interface: ArchivedExecutionGraphStore

Return the JobsOverview for all stored/past jobs.

Specified by:

getStoredJobsOverview in interface ArchivedExecutionGraphStore

Returns:

Jobs overview for all stored/past jobs

getAvailableJobDetails

public Collection<JobDetails> getAvailableJobDetails()

Description copied from interface: ArchivedExecutionGraphStore

Return the collection of JobDetails of all currently stored jobs.

Specified by:

getAvailableJobDetails in interface ArchivedExecutionGraphStore

Returns:

Collection of job details of all currently stored jobs

getAvailableJobDetails

@Nullable
public JobDetails getAvailableJobDetails(org.apache.flink.api.common.JobID jobId)

Description copied from interface: ArchivedExecutionGraphStore

Return the JobDetails} for the given job.

Specified by:

getAvailableJobDetails in interface ArchivedExecutionGraphStore

Parameters:

jobId - identifying the job for which to retrieve the JobDetails

Returns:

JobDetails of the requested job or null if the job is not available

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException