Examples with MRJobInfo co.cask.cdap.proto.MRJobInfo used on opensource projects

Example 1 with MRJobInfo

use of co.cask.cdap.proto.MRJobInfo in project cdap by caskdata.

the class MRJobClient method getMRJobInfo.

/**
   * @param runId for which information will be returned.
   * @return a {@link MRJobInfo} containing information about a particular MapReduce program run.
   * @throws IOException if there is failure to communicate through the JobClient.
   * @throws NotFoundException if a Job with the given runId is not found.
   */
public MRJobInfo getMRJobInfo(Id.Run runId) throws IOException, NotFoundException {
    Preconditions.checkArgument(ProgramType.MAPREDUCE.equals(runId.getProgram().getType()));
    JobClient jobClient = new JobClient(hConf);
    JobStatus[] jobs = jobClient.getAllJobs();
    JobStatus thisJob = findJobForRunId(jobs, runId.toEntityId());
    RunningJob runningJob = jobClient.getJob(thisJob.getJobID());
    if (runningJob == null) {
        throw new IllegalStateException(String.format("JobClient returned null for RunId: '%s', JobId: '%s'", runId, thisJob.getJobID()));
    }
    Counters counters = runningJob.getCounters();
    TaskReport[] mapTaskReports = jobClient.getMapTaskReports(thisJob.getJobID());
    TaskReport[] reduceTaskReports = jobClient.getReduceTaskReports(thisJob.getJobID());
    return new MRJobInfo(runningJob.mapProgress(), runningJob.reduceProgress(), groupToMap(counters.getGroup(TaskCounter.class.getName())), toMRTaskInfos(mapTaskReports), toMRTaskInfos(reduceTaskReports), true);
}

Example 2 with MRJobInfo

use of co.cask.cdap.proto.MRJobInfo in project cdap by caskdata.

the class ProgramLifecycleHttpHandler method getMapReduceInfo.

/**
   * Relays job-level and task-level information about a particular MapReduce program run.
   */
@GET
@Path("/apps/{app-id}/mapreduce/{mapreduce-id}/runs/{run-id}/info")
public void getMapReduceInfo(HttpRequest request, HttpResponder responder, @PathParam("namespace-id") String namespaceId, @PathParam("app-id") String appId, @PathParam("mapreduce-id") String mapreduceId, @PathParam("run-id") String runId) throws IOException, NotFoundException {
    ProgramId programId = new ProgramId(namespaceId, appId, ProgramType.MAPREDUCE, mapreduceId);
    ProgramRunId run = programId.run(runId);
    ApplicationSpecification appSpec = store.getApplication(programId.getParent());
    if (appSpec == null) {
        throw new NotFoundException(programId.getApplication());
    }
    if (!appSpec.getMapReduce().containsKey(mapreduceId)) {
        throw new NotFoundException(programId);
    }
    RunRecordMeta runRecordMeta = store.getRun(programId, runId);
    if (runRecordMeta == null) {
        throw new NotFoundException(run);
    }
    MRJobInfo mrJobInfo = mrJobInfoFetcher.getMRJobInfo(run.toId());
    mrJobInfo.setState(runRecordMeta.getStatus().name());
    // Multiple startTs / endTs by 1000, to be consistent with Task-level start/stop times returned by JobClient
    // in milliseconds. RunRecord returns seconds value.
    mrJobInfo.setStartTime(TimeUnit.SECONDS.toMillis(runRecordMeta.getStartTs()));
    Long stopTs = runRecordMeta.getStopTs();
    if (stopTs != null) {
        mrJobInfo.setStopTime(TimeUnit.SECONDS.toMillis(stopTs));
    }
    // JobClient (in DistributedMRJobInfoFetcher) can return NaN as some of the values, and GSON otherwise fails
    Gson gson = new GsonBuilder().serializeSpecialFloatingPointValues().create();
    responder.sendJson(HttpResponseStatus.OK, mrJobInfo, mrJobInfo.getClass(), gson);
}

Example 3 with MRJobInfo

use of co.cask.cdap.proto.MRJobInfo in project cdap by caskdata.

the class LocalMRJobInfoFetcherTest method testGetMRJobInfo.

@Test
public void testGetMRJobInfo() throws Exception {
    Id.Program programId = Id.Program.from("fooNamespace", "testApp", ProgramType.MAPREDUCE, "fooMapReduce");
    Id.Run runId = new Id.Run(programId, "run10878");
    Map<String, String> runContext = ImmutableMap.of(Constants.Metrics.Tag.NAMESPACE, programId.getNamespaceId(), Constants.Metrics.Tag.APP, programId.getApplicationId(), Constants.Metrics.Tag.MAPREDUCE, programId.getId(), Constants.Metrics.Tag.RUN_ID, runId.getId());
    Map<String, String> mapTypeContext = addToContext(runContext, Constants.Metrics.Tag.MR_TASK_TYPE, MapReduceMetrics.TaskType.Mapper.getId());
    Map<String, String> reduceTypeContext = addToContext(runContext, Constants.Metrics.Tag.MR_TASK_TYPE, MapReduceMetrics.TaskType.Reducer.getId());
    String mapTask1Name = "task_m_01";
    Map<String, String> mapTask1Context = addToContext(mapTypeContext, Constants.Metrics.Tag.INSTANCE_ID, mapTask1Name);
    String mapTask2Name = "task_m_02";
    Map<String, String> mapTask2Context = addToContext(mapTypeContext, Constants.Metrics.Tag.INSTANCE_ID, mapTask2Name);
    String reduceTaskName = "task_r_01";
    Map<String, String> reduceTaskContext = addToContext(reduceTypeContext, Constants.Metrics.Tag.INSTANCE_ID, reduceTaskName);
    // Imitate a MapReduce Job running (gauge mapper and reducer metrics)
    long measureTime = System.currentTimeMillis() / 1000;
    gauge(mapTypeContext, MapReduceMetrics.METRIC_COMPLETION, measureTime, 76L);
    gauge(reduceTypeContext, MapReduceMetrics.METRIC_COMPLETION, measureTime, 52L);
    gauge(mapTask1Context, MapReduceMetrics.METRIC_TASK_COMPLETION, measureTime, 100L);
    gauge(mapTask1Context, MapReduceMetrics.METRIC_TASK_INPUT_RECORDS, measureTime, 32L);
    gauge(mapTask1Context, MapReduceMetrics.METRIC_TASK_OUTPUT_RECORDS, measureTime, 320L);
    gauge(mapTask2Context, MapReduceMetrics.METRIC_TASK_COMPLETION, measureTime, 12L);
    gauge(mapTask2Context, MapReduceMetrics.METRIC_TASK_INPUT_RECORDS, measureTime, 6L);
    gauge(mapTask2Context, MapReduceMetrics.METRIC_TASK_OUTPUT_RECORDS, measureTime, 60L);
    // gauge job-level counters for mappers
    gauge(mapTypeContext, MapReduceMetrics.METRIC_INPUT_RECORDS, measureTime, 38L);
    gauge(mapTypeContext, MapReduceMetrics.METRIC_OUTPUT_RECORDS, measureTime, 380L);
    gauge(reduceTaskContext, MapReduceMetrics.METRIC_TASK_COMPLETION, measureTime, 76L);
    gauge(reduceTaskContext, MapReduceMetrics.METRIC_TASK_INPUT_RECORDS, measureTime, 320L);
    gauge(reduceTaskContext, MapReduceMetrics.METRIC_TASK_OUTPUT_RECORDS, measureTime, 1L);
    // gauge job-level counters for reducers
    gauge(reduceTypeContext, MapReduceMetrics.METRIC_INPUT_RECORDS, measureTime, 320L);
    gauge(reduceTypeContext, MapReduceMetrics.METRIC_OUTPUT_RECORDS, measureTime, 1L);
    LocalMRJobInfoFetcher localMRJobInfoFetcher = injector.getInstance(LocalMRJobInfoFetcher.class);
    MRJobInfo mrJobInfo = localMRJobInfoFetcher.getMRJobInfo(runId);
    // Incomplete because MapReduceMetricsInfo does not provide task-level state and start/end times.
    Assert.assertFalse(mrJobInfo.isComplete());
    // Check job-level counters
    Map<String, Long> jobCounters = mrJobInfo.getCounters();
    Assert.assertEquals((Long) 38L, jobCounters.get(TaskCounter.MAP_INPUT_RECORDS.name()));
    Assert.assertEquals((Long) 380L, jobCounters.get(TaskCounter.MAP_OUTPUT_RECORDS.name()));
    Assert.assertEquals((Long) 320L, jobCounters.get(TaskCounter.REDUCE_INPUT_RECORDS.name()));
    Assert.assertEquals((Long) 1L, jobCounters.get(TaskCounter.REDUCE_OUTPUT_RECORDS.name()));
    // Ensure all tasks show up
    List<MRTaskInfo> mapTasks = mrJobInfo.getMapTasks();
    List<MRTaskInfo> reduceTasks = mrJobInfo.getReduceTasks();
    Assert.assertEquals(2, mapTasks.size());
    Assert.assertEquals(1, reduceTasks.size());
    MRTaskInfo mapTask1 = findByTaskId(mapTasks, mapTask1Name);
    MRTaskInfo mapTask2 = findByTaskId(mapTasks, mapTask2Name);
    MRTaskInfo reduceTask = findByTaskId(reduceTasks, reduceTaskName);
    // Check task-level counters
    Map<String, Long> mapTask1Counters = mapTask1.getCounters();
    Assert.assertEquals((Long) 32L, mapTask1Counters.get(TaskCounter.MAP_INPUT_RECORDS.name()));
    Assert.assertEquals((Long) 320L, mapTask1Counters.get(TaskCounter.MAP_OUTPUT_RECORDS.name()));
    Map<String, Long> mapTask2Counters = mapTask2.getCounters();
    Assert.assertEquals((Long) 6L, mapTask2Counters.get(TaskCounter.MAP_INPUT_RECORDS.name()));
    Assert.assertEquals((Long) 60L, mapTask2Counters.get(TaskCounter.MAP_OUTPUT_RECORDS.name()));
    Map<String, Long> reduceTaskCounters = reduceTask.getCounters();
    Assert.assertEquals((Long) 320L, reduceTaskCounters.get(TaskCounter.REDUCE_INPUT_RECORDS.name()));
    Assert.assertEquals((Long) 1L, reduceTaskCounters.get(TaskCounter.REDUCE_OUTPUT_RECORDS.name()));
    // Checking progress
    float permittedProgressDelta = 0.01F;
    Assert.assertEquals(0.76F, mrJobInfo.getMapProgress(), permittedProgressDelta);
    Assert.assertEquals(0.52F, mrJobInfo.getReduceProgress(), permittedProgressDelta);
    Assert.assertEquals(1.0F, mapTask1.getProgress(), permittedProgressDelta);
    Assert.assertEquals(0.12F, mapTask2.getProgress(), permittedProgressDelta);
    Assert.assertEquals(0.76F, reduceTask.getProgress(), permittedProgressDelta);
}