Examples with AMPreemptionPolicy org.apache.hadoop.mapreduce.v2.app.rm.preemption.AMPreemptionPolicy used on opensource projects

Example 1 with AMPreemptionPolicy

use of org.apache.hadoop.mapreduce.v2.app.rm.preemption.AMPreemptionPolicy in project hadoop by apache.

the class MRAppBenchmark method benchmark1.

@Test
public void benchmark1() throws Exception {
    // Adjust for benchmarking. Start with thousands.
    int maps = 100;
    int reduces = 0;
    System.out.println("Running benchmark with maps:" + maps + " reduces:" + reduces);
    run(new MRApp(maps, reduces, true, this.getClass().getName(), true) {

        @Override
        protected ContainerAllocator createContainerAllocator(ClientService clientService, AppContext context) {
            AMPreemptionPolicy policy = new NoopAMPreemptionPolicy();
            return new RMContainerAllocator(clientService, context, policy) {

                @Override
                protected ApplicationMasterProtocol createSchedulerProxy() {
                    return new ApplicationMasterProtocol() {

                        @Override
                        public RegisterApplicationMasterResponse registerApplicationMaster(RegisterApplicationMasterRequest request) throws IOException {
                            RegisterApplicationMasterResponse response = Records.newRecord(RegisterApplicationMasterResponse.class);
                            response.setMaximumResourceCapability(Resource.newInstance(10240, 1));
                            return response;
                        }

                        @Override
                        public FinishApplicationMasterResponse finishApplicationMaster(FinishApplicationMasterRequest request) throws IOException {
                            FinishApplicationMasterResponse response = Records.newRecord(FinishApplicationMasterResponse.class);
                            return response;
                        }

                        @Override
                        public AllocateResponse allocate(AllocateRequest request) throws IOException {
                            AllocateResponse response = Records.newRecord(AllocateResponse.class);
                            List<ResourceRequest> askList = request.getAskList();
                            List<Container> containers = new ArrayList<Container>();
                            for (ResourceRequest req : askList) {
                                if (!ResourceRequest.isAnyLocation(req.getResourceName())) {
                                    continue;
                                }
                                int numContainers = req.getNumContainers();
                                for (int i = 0; i < numContainers; i++) {
                                    ContainerId containerId = ContainerId.newContainerId(getContext().getApplicationAttemptId(), request.getResponseId() + i);
                                    containers.add(Container.newInstance(containerId, NodeId.newInstance("host" + containerId.getContainerId(), 2345), "host" + containerId.getContainerId() + ":5678", req.getCapability(), req.getPriority(), null));
                                }
                            }
                            response.setAllocatedContainers(containers);
                            response.setResponseId(request.getResponseId() + 1);
                            response.setNumClusterNodes(350);
                            return response;
                        }
                    };
                }
            };
        }
    });
}