Example usage for org.apache.hadoop.yarn.api ApplicationMasterProtocol finishApplicationMaster

Introduction

In this page you can find the example usage for org.apache.hadoop.yarn.api ApplicationMasterProtocol finishApplicationMaster.

Prototype

@Public
@Stable
@AtMostOnce
public FinishApplicationMasterResponse finishApplicationMaster(FinishApplicationMasterRequest request)
        throws YarnException, IOException;

Source Link

Document

The interface used by an ApplicationMaster to notify the ResourceManager about its completion (success or failed).

The ApplicationMaster has to provide details such as final state, diagnostics (in case of failures) etc.

Usage

From source file:com.datatorrent.stram.StramMiniClusterTest.java

License:Apache License

@Ignore
@Test//from  w  w  w. j  a  v a2s  .  c o m
public void testUnmanagedAM() throws Exception {

    new InlineAM(conf) {
        @Override
        @SuppressWarnings("SleepWhileInLoop")
        public void runAM(ApplicationAttemptId attemptId) throws Exception {
            LOG.debug("AM running {}", attemptId);

            //AMRMClient amRmClient = new AMRMClientImpl(attemptId);
            //amRmClient.init(conf);
            //amRmClient.start();

            YarnClientHelper yarnClient = new YarnClientHelper(conf);
            ApplicationMasterProtocol resourceManager = yarnClient.connectToRM();

            // register with the RM (LAUNCHED -> RUNNING)
            RegisterApplicationMasterRequest appMasterRequest = Records
                    .newRecord(RegisterApplicationMasterRequest.class);
            resourceManager.registerApplicationMaster(appMasterRequest);

            // AM specific logic

            /*
            int containerCount = 1;
            Resource capability = Records.newRecord(Resource.class);
            capability.setMemory(1500);
                    
            Priority priority = Records.newRecord(Priority.class);
            priority.setPriority(10);
                    
            String[] hosts = {"vm1"};
            String[] racks = {"somerack"};
                    
            AMRMClient.ContainerRequest req = new AMRMClient.ContainerRequest(capability, hosts, racks, priority, containerCount);
            amRmClient.addContainerRequest(req);
                    
            for (int i=0; i<100; i++) {
              AllocateResponse ar = amRmClient.allocate(0);
              Thread.sleep(1000);
              LOG.debug("allocateResponse: {}" , ar);
            }
            */

            int responseId = 0;
            AllocateRequest req = Records.newRecord(AllocateRequest.class);
            req.setResponseId(responseId++);

            List<ResourceRequest> lr = Lists.newArrayList();
            lr.add(setupContainerAskForRM("hdev-vm", 1, 128, 10));
            lr.add(setupContainerAskForRM("/default-rack", 1, 128, 10));
            lr.add(setupContainerAskForRM("*", 1, 128, 10));

            req.setAskList(lr);

            LOG.info("Requesting: " + req.getAskList());
            resourceManager.allocate(req);

            for (int i = 0; i < 100; i++) {
                req = Records.newRecord(AllocateRequest.class);
                req.setResponseId(responseId++);

                AllocateResponse ar = resourceManager.allocate(req);
                sleep(1000);
                LOG.debug("allocateResponse: {}", ar);
            }

            // unregister from RM
            FinishApplicationMasterRequest finishReq = Records.newRecord(FinishApplicationMasterRequest.class);
            finishReq.setFinalApplicationStatus(FinalApplicationStatus.SUCCEEDED);
            finishReq.setDiagnostics("testUnmanagedAM finished");
            resourceManager.finishApplicationMaster(finishReq);

        }

        private ResourceRequest setupContainerAskForRM(String resourceName, int numContainers,
                int containerMemory, int priority) {
            ResourceRequest request = Records.newRecord(ResourceRequest.class);

            // setup requirements for hosts
            // whether a particular rack/host is needed
            // Refer to apis under org.apache.hadoop.net for more
            // details on how to get figure out rack/host mapping.
            // using * as any host will do for the distributed shell app
            request.setResourceName(resourceName);

            // set no. of containers needed
            request.setNumContainers(numContainers);

            // set the priority for the request
            Priority pri = Records.newRecord(Priority.class);
            pri.setPriority(priority);
            request.setPriority(pri);

            // Set up resource type requirements
            // For now, only memory is supported so we set memory requirements
            Resource capability = Records.newRecord(Resource.class);
            capability.setMemory(containerMemory);
            request.setCapability(capability);

            return request;
        }

    }.run();

}

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From source file:org.springframework.yarn.am.AppmasterRmTemplate.java

License:Apache License

@Override
public FinishApplicationMasterResponse finish(final FinishApplicationMasterRequest request) {
    return execute(new YarnRpcCallback<FinishApplicationMasterResponse, ApplicationMasterProtocol>() {
        @Override/*from   w w  w .  j  a  v  a 2s . com*/
        public FinishApplicationMasterResponse doInYarn(ApplicationMasterProtocol proxy)
                throws YarnException, IOException {
            return proxy.finishApplicationMaster(request);
        }
    });
}

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