Examples with DataInputBuffer org.apache.hadoop.io.DataInputBuffer used on opensource projects

Example 81 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hadoop by apache.

the class NativeRuntime method reportStatus.

/**
   * Get the status report from native space
   */
public static void reportStatus(TaskReporter reporter) throws IOException {
    assertNativeLibraryLoaded();
    synchronized (reporter) {
        final byte[] statusBytes = JNIUpdateStatus();
        final DataInputBuffer ib = new DataInputBuffer();
        ib.reset(statusBytes, statusBytes.length);
        final FloatWritable progress = new FloatWritable();
        progress.readFields(ib);
        reporter.setProgress(progress.get());
        final Text status = new Text();
        status.readFields(ib);
        if (status.getLength() > 0) {
            reporter.setStatus(status.toString());
        }
        final IntWritable numCounters = new IntWritable();
        numCounters.readFields(ib);
        if (numCounters.get() == 0) {
            return;
        }
        final Text group = new Text();
        final Text name = new Text();
        final LongWritable amount = new LongWritable();
        for (int i = 0; i < numCounters.get(); i++) {
            group.readFields(ib);
            name.readFields(ib);
            amount.readFields(ib);
            reporter.incrCounter(group.toString(), name.toString(), amount.get());
        }
    }
}

Example 82 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hadoop by apache.

the class TestCopyListingFileStatus method testCopyListingFileStatusSerialization.

@Test
public void testCopyListingFileStatusSerialization() throws Exception {
    CopyListingFileStatus src = new CopyListingFileStatus(4344L, false, 2, 512 << 20, 1234L, 5678L, new FsPermission((short) 0512), "dingo", "yaks", new Path("hdfs://localhost:4344"));
    DataOutputBuffer dob = new DataOutputBuffer();
    src.write(dob);
    DataInputBuffer dib = new DataInputBuffer();
    dib.reset(dob.getData(), 0, dob.getLength());
    CopyListingFileStatus dst = new CopyListingFileStatus();
    dst.readFields(dib);
    assertEquals(src, dst);
}

Example 83 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hadoop by apache.

the class TestGridmixRecord method checkSpec.

static void checkSpec(GridmixKey a, GridmixKey b) throws Exception {
    final Random r = new Random();
    final long s = r.nextLong();
    r.setSeed(s);
    LOG.info("spec: " + s);
    final DataInputBuffer in = new DataInputBuffer();
    final DataOutputBuffer out = new DataOutputBuffer();
    a.setType(GridmixKey.REDUCE_SPEC);
    b.setType(GridmixKey.REDUCE_SPEC);
    for (int i = 0; i < 100; ++i) {
        final int in_rec = r.nextInt(Integer.MAX_VALUE);
        a.setReduceInputRecords(in_rec);
        final int out_rec = r.nextInt(Integer.MAX_VALUE);
        a.setReduceOutputRecords(out_rec);
        final int out_bytes = r.nextInt(Integer.MAX_VALUE);
        a.setReduceOutputBytes(out_bytes);
        final int min = WritableUtils.getVIntSize(in_rec) + WritableUtils.getVIntSize(out_rec) + WritableUtils.getVIntSize(out_bytes) + WritableUtils.getVIntSize(0);
        // meta + vint min
        assertEquals(min + 2, a.fixedBytes());
        final int size = r.nextInt(1024) + a.fixedBytes() + 1;
        setSerialize(a, r.nextLong(), size, out);
        assertEquals(size, out.getLength());
        assertTrue(a.equals(a));
        assertEquals(0, a.compareTo(a));
        in.reset(out.getData(), 0, out.getLength());
        b.readFields(in);
        assertEquals(size, b.getSize());
        assertEquals(in_rec, b.getReduceInputRecords());
        assertEquals(out_rec, b.getReduceOutputRecords());
        assertEquals(out_bytes, b.getReduceOutputBytes());
        assertTrue(a.equals(b));
        assertEquals(0, a.compareTo(b));
        assertEquals(a.hashCode(), b.hashCode());
    }
}

Example 84 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hadoop by apache.

the class TestGridmixRecord method randomReplayTest.

static void randomReplayTest(GridmixRecord x, GridmixRecord y, int min, int max) throws Exception {
    final Random r = new Random();
    final long seed = r.nextLong();
    r.setSeed(seed);
    LOG.info("randReplay: " + seed);
    final DataOutputBuffer out1 = new DataOutputBuffer();
    for (int i = min; i < max; ++i) {
        final int s = out1.getLength();
        x.setSeed(r.nextLong());
        x.setSize(i);
        x.write(out1);
        assertEquals(i, out1.getLength() - s);
    }
    final DataInputBuffer in = new DataInputBuffer();
    in.reset(out1.getData(), 0, out1.getLength());
    final DataOutputBuffer out2 = new DataOutputBuffer();
    // deserialize written records, write to separate buffer
    for (int i = min; i < max; ++i) {
        final int s = in.getPosition();
        y.readFields(in);
        assertEquals(i, in.getPosition() - s);
        y.write(out2);
    }
    // verify written contents match
    assertEquals(out1.getLength(), out2.getLength());
    // assumes that writes will grow buffer deterministically
    assertEquals("Bad test", out1.getData().length, out2.getData().length);
    assertArrayEquals(out1.getData(), out2.getData());
}

Example 85 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hive by apache.

the class ContainerRunnerImpl method submitWork.

@Override
public SubmitWorkResponseProto submitWork(SubmitWorkRequestProto request) throws IOException {
    LlapTokenInfo tokenInfo = null;
    try {
        tokenInfo = LlapTokenChecker.getTokenInfo(clusterId);
    } catch (SecurityException ex) {
        logSecurityErrorRarely(null);
        throw ex;
    }
    SignableVertexSpec vertex = extractVertexSpec(request, tokenInfo);
    TezEvent initialEvent = extractInitialEvent(request, tokenInfo);
    TezTaskAttemptID attemptId = Converters.createTaskAttemptId(vertex.getQueryIdentifier(), vertex.getVertexIndex(), request.getFragmentNumber(), request.getAttemptNumber());
    String fragmentIdString = attemptId.toString();
    if (LOG.isInfoEnabled()) {
        LOG.info("Queueing container for execution: fragemendId={}, {}", fragmentIdString, stringifySubmitRequest(request, vertex));
    }
    QueryIdentifierProto qIdProto = vertex.getQueryIdentifier();
    HistoryLogger.logFragmentStart(qIdProto.getApplicationIdString(), request.getContainerIdString(), localAddress.get().getHostName(), constructUniqueQueryId(vertex.getHiveQueryId(), qIdProto.getDagIndex()), qIdProto.getDagIndex(), vertex.getVertexName(), request.getFragmentNumber(), request.getAttemptNumber());
    // This is the start of container-annotated logging.
    final String dagId = attemptId.getTaskID().getVertexID().getDAGId().toString();
    final String queryId = vertex.getHiveQueryId();
    final String fragmentId = LlapTezUtils.stripAttemptPrefix(fragmentIdString);
    MDC.put("dagId", dagId);
    MDC.put("queryId", queryId);
    MDC.put("fragmentId", fragmentId);
    // TODO: Ideally we want tez to use CallableWithMdc that retains the MDC for threads created in
    // thread pool. For now, we will push both dagId and queryId into NDC and the custom thread
    // pool that we use for task execution and llap io (StatsRecordingThreadPool) will pop them
    // using reflection and update the MDC.
    NDC.push(dagId);
    NDC.push(queryId);
    NDC.push(fragmentId);
    Scheduler.SubmissionState submissionState;
    SubmitWorkResponseProto.Builder responseBuilder = SubmitWorkResponseProto.newBuilder();
    try {
        Map<String, String> env = new HashMap<>();
        // TODO What else is required in this environment map.
        env.putAll(localEnv);
        env.put(ApplicationConstants.Environment.USER.name(), vertex.getUser());
        TezTaskAttemptID taskAttemptId = TezTaskAttemptID.fromString(fragmentIdString);
        int dagIdentifier = taskAttemptId.getTaskID().getVertexID().getDAGId().getId();
        QueryIdentifier queryIdentifier = new QueryIdentifier(qIdProto.getApplicationIdString(), dagIdentifier);
        Credentials credentials = new Credentials();
        DataInputBuffer dib = new DataInputBuffer();
        byte[] tokenBytes = request.getCredentialsBinary().toByteArray();
        dib.reset(tokenBytes, tokenBytes.length);
        credentials.readTokenStorageStream(dib);
        Token<JobTokenIdentifier> jobToken = TokenCache.getSessionToken(credentials);
        LlapNodeId amNodeId = LlapNodeId.getInstance(request.getAmHost(), request.getAmPort());
        QueryFragmentInfo fragmentInfo = queryTracker.registerFragment(queryIdentifier, qIdProto.getApplicationIdString(), dagId, vertex.getDagName(), vertex.getHiveQueryId(), dagIdentifier, vertex.getVertexName(), request.getFragmentNumber(), request.getAttemptNumber(), vertex.getUser(), vertex, jobToken, fragmentIdString, tokenInfo, amNodeId);
        String[] localDirs = fragmentInfo.getLocalDirs();
        Preconditions.checkNotNull(localDirs);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Dirs are: " + Arrays.toString(localDirs));
        }
        // May need to setup localDir for re-localization, which is usually setup as Environment.PWD.
        // Used for re-localization, to add the user specified configuration (conf_pb_binary_stream)
        Configuration callableConf = new Configuration(getConfig());
        UserGroupInformation fsTaskUgi = fsUgiFactory == null ? null : fsUgiFactory.createUgi();
        boolean isGuaranteed = request.hasIsGuaranteed() && request.getIsGuaranteed();
        WmFragmentCounters wmCounters = new WmFragmentCounters(FragmentCountersMap.getCountersForFragment(fragmentId));
        TaskRunnerCallable callable = new TaskRunnerCallable(request, fragmentInfo, callableConf, new ExecutionContextImpl(localAddress.get().getHostName()), env, credentials, memoryPerExecutor, amReporter, confParams, metrics, killedTaskHandler, this, tezHadoopShim, attemptId, vertex, initialEvent, fsTaskUgi, completionListener, socketFactory, isGuaranteed, wmCounters);
        submissionState = executorService.schedule(callable);
        if (LOG.isInfoEnabled()) {
            LOG.info("SubmissionState for {} : {} ", fragmentIdString, submissionState);
        }
        if (submissionState.equals(Scheduler.SubmissionState.REJECTED)) {
            // Stop tracking the fragment and re-throw the error.
            fragmentComplete(fragmentInfo);
            return responseBuilder.setSubmissionState(SubmissionStateProto.valueOf(submissionState.name())).build();
        }
        if (metrics != null) {
            metrics.incrExecutorTotalRequestsHandled();
        }
    } finally {
        MDC.clear();
        NDC.clear();
    }
    return responseBuilder.setUniqueNodeId(daemonId.getUniqueNodeIdInCluster()).setSubmissionState(SubmissionStateProto.valueOf(submissionState.name())).build();
}