alluxio.master

Class AlluxioSecondaryMaster

java.lang.Object

alluxio.master.AlluxioSecondaryMaster

All Implemented Interfaces:

Process

@NotThreadSafe
public final class AlluxioSecondaryMaster
extends Object
implements Process

The secondary Alluxio master that replays journal logs and writes checkpoints.

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args) Starts the secondary Alluxio master.
void	start() Starts the Alluxio process.
void	stop() Stops the Alluxio process, blocking until the action is completed.
String	toString()
boolean	waitForReady(int timeoutMs) Waits until the process is ready to serve requests.

Methods inherited from class java.lang.Object

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

Method Detail

start

public void start()
           throws Exception

Description copied from interface: Process

Starts the Alluxio process. This call blocks until the process is stopped via Process.stop(). The Process.waitForReady(int) method can be used to make sure that the process is ready to serve requests.

Specified by:

start in interface Process

Throws:

Exception

stop

public void stop()
          throws Exception

Description copied from interface: Process

Stops the Alluxio process, blocking until the action is completed.

Specified by:

stop in interface Process

Throws:

Exception

waitForReady

public boolean waitForReady(int timeoutMs)

Description copied from interface: Process

Waits until the process is ready to serve requests.

Specified by:

waitForReady in interface Process

Parameters:

timeoutMs - how long to wait in milliseconds

Returns:

whether the process became ready before the specified timeout

toString

public String toString()

Overrides:

toString in class Object

main

public static void main(String[] args)

Starts the secondary Alluxio master.

Parameters:

args - command line arguments, should be empty