alluxio.client.metrics

Class ClientMasterSync

java.lang.Object

alluxio.client.metrics.ClientMasterSync

@ThreadSafe
public final class ClientMasterSync
extends Object

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(String appId, ClientContext ctx, MasterInquireClient inquireClient) Constructs a new ClientMasterSync.

Method Summary

Modifier and Type	Method and Description
void	close() Close the metrics master client.
void	heartbeat() Sends metrics to the master keyed with appId and client hostname.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientMasterSync

public ClientMasterSync(String appId,
                        ClientContext ctx,
                        MasterInquireClient inquireClient)

Constructs a new ClientMasterSync.

Parameters:

appId - the application id to send with metrics

ctx - client context

inquireClient - the master inquire client

Method Detail

heartbeat

public void heartbeat()

Sends metrics to the master keyed with appId and client hostname.

close

public void close()

Close the metrics master client.