alluxio.client.metrics

Class ClientMasterSync

java.lang.Object

alluxio.client.metrics.ClientMasterSync

All Implemented Interfaces:

HeartbeatExecutor, Closeable, AutoCloseable

@ThreadSafe
public final class ClientMasterSync
extends Object
implements HeartbeatExecutor

Task that carries the client metrics information to master through heartheat. This class manages its own MetricsMasterClient. If the task fails to heartbeat to the master, it will destroy its old master client and recreate it before retrying.

Constructor Summary

Constructors

Constructor and Description
ClientMasterSync(MetricsMasterClient masterClient, FileSystemContext context) Constructs a new ClientMasterSync.

Method Summary

Modifier and Type	Method and Description
void	close() Cleans up any resources used by the heartbeat executor.
void	heartbeat() Implements the heartbeat logic.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientMasterSync

public ClientMasterSync(MetricsMasterClient masterClient,
                        FileSystemContext context)

Constructs a new ClientMasterSync.

Parameters:

masterClient - the master client

context - the filesystem context

Method Detail

heartbeat

public void heartbeat()
               throws InterruptedException

Description copied from interface: HeartbeatExecutor

Implements the heartbeat logic.

Specified by:

heartbeat in interface HeartbeatExecutor

Throws:

InterruptedException - if the thread is interrupted

close

public void close()

Description copied from interface: HeartbeatExecutor

Cleans up any resources used by the heartbeat executor.

Specified by:

close in interface HeartbeatExecutor

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable