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

类 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.

构造器概要

构造器

构造器和说明
WorkerLifecycleController()

方法概要

限定符和类型	方法和说明
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.

从类继承的方法 java.lang.Object

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

构造器详细资料

WorkerLifecycleController

public WorkerLifecycleController()

方法详细资料

createWorkers

public boolean createWorkers(List<ExecutionVertex> executionVertices)

initWorkers

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

Using context to init JobWorker.

参数:

vertexToContextMap - target JobWorker actor

timeout - timeout for waiting, unit: ms

返回:

initiation result

startWorkers

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

Start JobWorkers to run task.

参数:

executionGraph - physical plan

timeout - timeout for waiting, unit: ms

返回:

starting result

destroyWorkers

public boolean destroyWorkers(List<ExecutionVertex> executionVertices)

Stop and destroy JobWorkers' actor.

参数:

executionVertices - target vertices

返回:

destroy result