Package org.apache.hadoop.yarn.server.applicationhistoryservice

Interface ApplicationHistoryWriter

All Known Subinterfaces:

ApplicationHistoryStore

All Known Implementing Classes:

FileSystemApplicationHistoryStore, MemoryApplicationHistoryStore, NullApplicationHistoryStore

@Private
@Unstable
public interface ApplicationHistoryWriter

It is the interface of writing the application history, exposing the methods of writing ApplicationStartData, ApplicationFinishData ApplicationAttemptStartData, ApplicationAttemptFinishData, ContainerStartData and ContainerFinishData.

Method Summary

Modifier and Type	Method	Description
void	applicationAttemptFinished(ApplicationAttemptFinishData appAttemptFinish)	This method writes the information of RMAppAttempt that is available when it finishes.
void	applicationAttemptStarted(ApplicationAttemptStartData appAttemptStart)	This method writes the information of RMAppAttempt that is available when it starts.
void	applicationFinished(ApplicationFinishData appFinish)	This method writes the information of RMApp that is available when it finishes.
void	applicationStarted(ApplicationStartData appStart)	This method writes the information of RMApp that is available when it starts.
void	containerFinished(ContainerFinishData containerFinish)	This method writes the information of RMContainer that is available when it finishes.
void	containerStarted(ContainerStartData containerStart)	This method writes the information of RMContainer that is available when it starts.

Method Details

applicationStarted

void applicationStarted(ApplicationStartData appStart)
                 throws IOException

This method writes the information of RMApp that is available when it starts.

Parameters:

appStart - the record of the information of RMApp that is available when it starts

Throws:

IOException

applicationFinished

void applicationFinished(ApplicationFinishData appFinish)
                  throws IOException

This method writes the information of RMApp that is available when it finishes.

Parameters:

appFinish - the record of the information of RMApp that is available when it finishes

Throws:

IOException

applicationAttemptStarted

void applicationAttemptStarted(ApplicationAttemptStartData appAttemptStart)
                        throws IOException

This method writes the information of RMAppAttempt that is available when it starts.

Parameters:

appAttemptStart - the record of the information of RMAppAttempt that is available when it starts

Throws:

IOException

applicationAttemptFinished

void applicationAttemptFinished(ApplicationAttemptFinishData appAttemptFinish)
                         throws IOException

This method writes the information of RMAppAttempt that is available when it finishes.

Parameters:

appAttemptFinish - the record of the information of RMAppAttempt that is available when it finishes

Throws:

IOException

containerStarted

void containerStarted(ContainerStartData containerStart)
               throws IOException

This method writes the information of RMContainer that is available when it starts.

Parameters:

containerStart - the record of the information of RMContainer that is available when it starts

Throws:

IOException

containerFinished

void containerFinished(ContainerFinishData containerFinish)
                throws IOException

This method writes the information of RMContainer that is available when it finishes.

Parameters:

containerFinish - the record of the information of RMContainer that is available when it finishes

Throws:

IOException