Examples with ExecutionContextImpl org.apache.tez.runtime.api.impl.ExecutionContextImpl used on opensource projects

Example 1 with ExecutionContextImpl

use of org.apache.tez.runtime.api.impl.ExecutionContextImpl 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 fragId = LlapTezUtils.stripAttemptPrefix(fragmentIdString);
    MDC.put("dagId", dagId);
    MDC.put("queryId", queryId);
    MDC.put("fragmentId", fragId);
    // 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(fragId);
    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();
        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);
        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();
}