io.ray.streaming.runtime.master

Class JobMaster

java.lang.Object

io.ray.streaming.runtime.master.JobMaster

public class JobMaster
extends Object

JobMaster is the core controller in streaming job as a ray actor. It is responsible for all the controls facing the JobWorker.

Constructor Summary

Constructors

Constructor and Description
JobMaster(Map<String,String> confMap)

Method Summary

Modifier and Type	Method and Description
StreamingMasterConfig	getConf()
GraphManager	getGraphManager()
io.ray.api.ActorHandle<JobMaster>	getJobMasterActor()
ResourceManager	getResourceManager()
JobRuntimeContext	getRuntimeContext()
Boolean	init() Init JobMaster.
boolean	submitJob(io.ray.api.ActorHandle<JobMaster> jobMasterActor, io.ray.streaming.jobgraph.JobGraph jobGraph) Submit job to run: Using GraphManager to build physical plan according to the logical plan. Using ResourceManager to manage and allocate the resources. Using JobScheduler to schedule the job to run.

Methods inherited from class java.lang.Object

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

Constructor Detail

JobMaster

public JobMaster(Map<String,String> confMap)

Method Detail

init

public Boolean init()

Init JobMaster. To initiate or recover other components(like metrics and extra coordinators).

Returns:

init result

submitJob

public boolean submitJob(io.ray.api.ActorHandle<JobMaster> jobMasterActor,
                         io.ray.streaming.jobgraph.JobGraph jobGraph)

Submit job to run:

1. Using GraphManager to build physical plan according to the logical plan.
2. Using ResourceManager to manage and allocate the resources.
3. Using JobScheduler to schedule the job to run.

Parameters:

jobMasterActor - JobMaster actor

jobGraph - logical plan

Returns:

submit result

getJobMasterActor

public io.ray.api.ActorHandle<JobMaster> getJobMasterActor()

getRuntimeContext

public JobRuntimeContext getRuntimeContext()

getResourceManager

public ResourceManager getResourceManager()

getGraphManager

public GraphManager getGraphManager()

getConf

public StreamingMasterConfig getConf()