io.ray.streaming.runtime.master.scheduler.controller

Class WorkerLifecycleController

java.lang.Object

io.ray.streaming.runtime.master.scheduler.controller.WorkerLifecycleController

public class WorkerLifecycleController
extends Object

Worker lifecycle controller is used to control JobWorker's creation, initiation and so on.

Constructor Summary

Constructors

Constructor and Description
WorkerLifecycleController()

Method Summary

Modifier and Type	Method and Description
boolean	createWorkers(List<ExecutionVertex> executionVertices)
boolean	destroyWorkers(List<ExecutionVertex> executionVertices) Stop and destroy JobWorkers' actor.
boolean	initWorkers(Map<ExecutionVertex,JobWorkerContext> vertexToContextMap, int timeout) Using context to init JobWorker.
boolean	startWorkers(ExecutionGraph executionGraph, long lastCheckpointId, int timeout) Start JobWorkers to run task.

Methods inherited from class java.lang.Object

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

Constructor Detail

WorkerLifecycleController

public WorkerLifecycleController()

Method Detail

createWorkers

public boolean createWorkers(List<ExecutionVertex> executionVertices)

initWorkers

public boolean initWorkers(Map<ExecutionVertex,JobWorkerContext> vertexToContextMap,
                           int timeout)

Using context to init JobWorker.

Parameters:

vertexToContextMap - target JobWorker actor

timeout - timeout for waiting, unit: ms

Returns:

initiation result

startWorkers

public boolean startWorkers(ExecutionGraph executionGraph,
                            long lastCheckpointId,
                            int timeout)

Start JobWorkers to run task.

Parameters:

executionGraph - physical plan

timeout - timeout for waiting, unit: ms

Returns:

starting result

destroyWorkers

public boolean destroyWorkers(List<ExecutionVertex> executionVertices)

Stop and destroy JobWorkers' actor.

Parameters:

executionVertices - target vertices

Returns:

destroy result