Examples with JobContext org.apache.hadoop.mapreduce.JobContext used on opensource projects

Example 46 with JobContext

use of org.apache.hadoop.mapreduce.JobContext in project hadoop by apache.

the class MRAppMaster method isRecoverySupported.

private boolean isRecoverySupported() throws IOException {
    boolean isSupported = false;
    Configuration conf = getConfig();
    if (committer != null) {
        final JobContext _jobContext = getJobContextFromConf(conf);
        isSupported = callWithJobClassLoader(conf, new ExceptionAction<Boolean>() {

            public Boolean call(Configuration conf) throws IOException {
                return committer.isRecoverySupported(_jobContext);
            }
        });
    }
    return isSupported;
}

Example 47 with JobContext

use of org.apache.hadoop.mapreduce.JobContext in project hadoop by apache.

the class MRAppMaster method isCommitJobRepeatable.

private boolean isCommitJobRepeatable() throws IOException {
    boolean isRepeatable = false;
    Configuration conf = getConfig();
    if (committer != null) {
        final JobContext jobContext = getJobContextFromConf(conf);
        isRepeatable = callWithJobClassLoader(conf, new ExceptionAction<Boolean>() {

            public Boolean call(Configuration conf) throws IOException {
                return committer.isCommitJobRepeatable(jobContext);
            }
        });
    }
    return isRepeatable;
}

Example 48 with JobContext

use of org.apache.hadoop.mapreduce.JobContext in project hadoop by apache.

the class TestCommitterEventHandler method testFailure.

@Test
public void testFailure() throws Exception {
    AppContext mockContext = mock(AppContext.class);
    OutputCommitter mockCommitter = mock(OutputCommitter.class);
    Clock mockClock = mock(Clock.class);
    CommitterEventHandler handler = new CommitterEventHandler(mockContext, mockCommitter, new TestingRMHeartbeatHandler());
    YarnConfiguration conf = new YarnConfiguration();
    conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
    JobContext mockJobContext = mock(JobContext.class);
    ApplicationAttemptId attemptid = ApplicationAttemptId.fromString("appattempt_1234567890000_0001_0");
    JobId jobId = TypeConverter.toYarn(TypeConverter.fromYarn(attemptid.getApplicationId()));
    WaitForItHandler waitForItHandler = new WaitForItHandler();
    when(mockContext.getApplicationID()).thenReturn(attemptid.getApplicationId());
    when(mockContext.getApplicationAttemptId()).thenReturn(attemptid);
    when(mockContext.getEventHandler()).thenReturn(waitForItHandler);
    when(mockContext.getClock()).thenReturn(mockClock);
    doThrow(new YarnRuntimeException("Intentional Failure")).when(mockCommitter).commitJob(any(JobContext.class));
    handler.init(conf);
    handler.start();
    try {
        handler.handle(new CommitterJobCommitEvent(jobId, mockJobContext));
        String user = UserGroupInformation.getCurrentUser().getShortUserName();
        Path startCommitFile = MRApps.getStartJobCommitFile(conf, user, jobId);
        Path endCommitSuccessFile = MRApps.getEndJobCommitSuccessFile(conf, user, jobId);
        Path endCommitFailureFile = MRApps.getEndJobCommitFailureFile(conf, user, jobId);
        Event e = waitForItHandler.getAndClearEvent();
        assertNotNull(e);
        assertTrue(e instanceof JobCommitFailedEvent);
        FileSystem fs = FileSystem.get(conf);
        assertTrue(fs.exists(startCommitFile));
        assertFalse(fs.exists(endCommitSuccessFile));
        assertTrue(fs.exists(endCommitFailureFile));
        verify(mockCommitter).commitJob(any(JobContext.class));
    } finally {
        handler.stop();
    }
}

Example 49 with JobContext

use of org.apache.hadoop.mapreduce.JobContext in project hadoop by apache.

the class TestJobImpl method testKilledDuringSetup.

@Test(timeout = 20000)
public void testKilledDuringSetup() throws Exception {
    Configuration conf = new Configuration();
    conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
    AsyncDispatcher dispatcher = new AsyncDispatcher();
    dispatcher.init(conf);
    dispatcher.start();
    OutputCommitter committer = new StubbedOutputCommitter() {

        @Override
        public synchronized void setupJob(JobContext jobContext) throws IOException {
            while (!Thread.interrupted()) {
                try {
                    wait();
                } catch (InterruptedException e) {
                }
            }
        }
    };
    CommitterEventHandler commitHandler = createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();
    JobImpl job = createStubbedJob(conf, dispatcher, 2, null);
    JobId jobId = job.getID();
    job.handle(new JobEvent(jobId, JobEventType.JOB_INIT));
    assertJobState(job, JobStateInternal.INITED);
    job.handle(new JobStartEvent(jobId));
    assertJobState(job, JobStateInternal.SETUP);
    job.handle(new JobEvent(job.getID(), JobEventType.JOB_KILL));
    assertJobState(job, JobStateInternal.KILLED);
    dispatcher.stop();
    commitHandler.stop();
}

Example 50 with JobContext

use of org.apache.hadoop.mapreduce.JobContext in project hadoop by apache.

the class TestJobImpl method testKilledDuringFailAbort.

@Test(timeout = 20000)
public void testKilledDuringFailAbort() throws Exception {
    Configuration conf = new Configuration();
    conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
    AsyncDispatcher dispatcher = new AsyncDispatcher();
    dispatcher.init(conf);
    dispatcher.start();
    OutputCommitter committer = new StubbedOutputCommitter() {

        @Override
        public void setupJob(JobContext jobContext) throws IOException {
            throw new IOException("forced failure");
        }

        @Override
        public synchronized void abortJob(JobContext jobContext, State state) throws IOException {
            while (!Thread.interrupted()) {
                try {
                    wait();
                } catch (InterruptedException e) {
                }
            }
        }
    };
    CommitterEventHandler commitHandler = createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();
    JobImpl job = createStubbedJob(conf, dispatcher, 2, null);
    JobId jobId = job.getID();
    job.handle(new JobEvent(jobId, JobEventType.JOB_INIT));
    assertJobState(job, JobStateInternal.INITED);
    job.handle(new JobStartEvent(jobId));
    assertJobState(job, JobStateInternal.FAIL_ABORT);
    job.handle(new JobEvent(jobId, JobEventType.JOB_KILL));
    assertJobState(job, JobStateInternal.KILLED);
    dispatcher.stop();
    commitHandler.stop();
}