Examples with IPartitionCollector org.apache.hyracks.api.comm.IPartitionCollector used on opensource projects

Example 6 with IPartitionCollector

use of org.apache.hyracks.api.comm.IPartitionCollector in project asterixdb by apache.

the class StartTasksWork method run.

@Override
public void run() {
    Task task = null;
    try {
        NCServiceContext serviceCtx = ncs.getContext();
        Joblet joblet = getOrCreateLocalJoblet(deploymentId, jobId, serviceCtx, acgBytes);
        final ActivityClusterGraph acg = joblet.getActivityClusterGraph();
        IRecordDescriptorProvider rdp = new IRecordDescriptorProvider() {

            @Override
            public RecordDescriptor getOutputRecordDescriptor(ActivityId aid, int outputIndex) {
                ActivityCluster ac = acg.getActivityMap().get(aid);
                IConnectorDescriptor conn = ac.getActivityOutputMap().get(aid).get(outputIndex);
                return ac.getConnectorRecordDescriptorMap().get(conn.getConnectorId());
            }

            @Override
            public RecordDescriptor getInputRecordDescriptor(ActivityId aid, int inputIndex) {
                ActivityCluster ac = acg.getActivityMap().get(aid);
                IConnectorDescriptor conn = ac.getActivityInputMap().get(aid).get(inputIndex);
                return ac.getConnectorRecordDescriptorMap().get(conn.getConnectorId());
            }
        };
        for (TaskAttemptDescriptor td : taskDescriptors) {
            TaskAttemptId taId = td.getTaskAttemptId();
            TaskId tid = taId.getTaskId();
            ActivityId aid = tid.getActivityId();
            ActivityCluster ac = acg.getActivityMap().get(aid);
            IActivity han = ac.getActivityMap().get(aid);
            if (LOGGER.isLoggable(Level.INFO)) {
                LOGGER.info("Initializing " + taId + " -> " + han);
            }
            final int partition = tid.getPartition();
            List<IConnectorDescriptor> inputs = ac.getActivityInputMap().get(aid);
            task = new Task(joblet, taId, han.getClass().getName(), ncs.getExecutor(), ncs, createInputChannels(td, inputs));
            IOperatorNodePushable operator = han.createPushRuntime(task, rdp, partition, td.getPartitionCount());
            List<IPartitionCollector> collectors = new ArrayList<>();
            if (inputs != null) {
                for (int i = 0; i < inputs.size(); ++i) {
                    IConnectorDescriptor conn = inputs.get(i);
                    IConnectorPolicy cPolicy = connectorPoliciesMap.get(conn.getConnectorId());
                    if (LOGGER.isLoggable(Level.INFO)) {
                        LOGGER.info("input: " + i + ": " + conn.getConnectorId());
                    }
                    RecordDescriptor recordDesc = ac.getConnectorRecordDescriptorMap().get(conn.getConnectorId());
                    IPartitionCollector collector = createPartitionCollector(td, partition, task, i, conn, recordDesc, cPolicy);
                    collectors.add(collector);
                }
            }
            List<IConnectorDescriptor> outputs = ac.getActivityOutputMap().get(aid);
            if (outputs != null) {
                for (int i = 0; i < outputs.size(); ++i) {
                    final IConnectorDescriptor conn = outputs.get(i);
                    RecordDescriptor recordDesc = ac.getConnectorRecordDescriptorMap().get(conn.getConnectorId());
                    IConnectorPolicy cPolicy = connectorPoliciesMap.get(conn.getConnectorId());
                    IPartitionWriterFactory pwFactory = createPartitionWriterFactory(task, cPolicy, jobId, conn, partition, taId, flags);
                    if (LOGGER.isLoggable(Level.INFO)) {
                        LOGGER.info("output: " + i + ": " + conn.getConnectorId());
                    }
                    IFrameWriter writer = conn.createPartitioner(task, recordDesc, pwFactory, partition, td.getPartitionCount(), td.getOutputPartitionCounts()[i]);
                    operator.setOutputFrameWriter(i, writer, recordDesc);
                }
            }
            task.setTaskRuntime(collectors.toArray(new IPartitionCollector[collectors.size()]), operator);
            joblet.addTask(task);
            task.start();
        }
    } catch (Exception e) {
        LOGGER.log(Level.WARNING, "Failure starting a task", e);
        // notify cc of start task failure
        List<Exception> exceptions = new ArrayList<>();
        ExceptionUtils.setNodeIds(exceptions, ncs.getId());
        ncs.getWorkQueue().schedule(new NotifyTaskFailureWork(ncs, task, exceptions));
    }
}

Example 7 with IPartitionCollector

use of org.apache.hyracks.api.comm.IPartitionCollector in project asterixdb by apache.

the class Task method run.

@Override
public void run() {
    Thread ct = Thread.currentThread();
    String threadName = ct.getName();
    // the thread is not escaped from interruption.
    if (!addPendingThread(ct)) {
        exceptions.add(new InterruptedException("Task " + getTaskAttemptId() + " was aborted!"));
        ExceptionUtils.setNodeIds(exceptions, ncs.getId());
        ncs.getWorkQueue().schedule(new NotifyTaskFailureWork(ncs, this, exceptions));
        return;
    }
    ct.setName(displayName + ":" + taskAttemptId + ":" + 0);
    try {
        try {
            operator.initialize();
            if (collectors.length > 0) {
                final Semaphore sem = new Semaphore(collectors.length - 1);
                for (int i = 1; i < collectors.length; ++i) {
                    final IPartitionCollector collector = collectors[i];
                    final IFrameWriter writer = operator.getInputFrameWriter(i);
                    sem.acquire();
                    final int cIdx = i;
                    executorService.execute(new Runnable() {

                        @Override
                        public void run() {
                            Thread thread = Thread.currentThread();
                            // the thread is not escaped from interruption.
                            if (!addPendingThread(thread)) {
                                return;
                            }
                            String oldName = thread.getName();
                            thread.setName(displayName + ":" + taskAttemptId + ":" + cIdx);
                            thread.setPriority(Thread.MIN_PRIORITY);
                            try {
                                pushFrames(collector, inputChannelsFromConnectors.get(cIdx), writer);
                            } catch (HyracksDataException e) {
                                synchronized (Task.this) {
                                    exceptions.add(e);
                                }
                            } finally {
                                thread.setName(oldName);
                                sem.release();
                                removePendingThread(thread);
                            }
                        }
                    });
                }
                try {
                    pushFrames(collectors[0], inputChannelsFromConnectors.get(0), operator.getInputFrameWriter(0));
                } finally {
                    sem.acquire(collectors.length - 1);
                }
            }
        } finally {
            operator.deinitialize();
        }
        NodeControllerService ncs = joblet.getNodeController();
        ncs.getWorkQueue().schedule(new NotifyTaskCompleteWork(ncs, this));
    } catch (Exception e) {
        exceptions.add(e);
    } finally {
        ct.setName(threadName);
        close();
        removePendingThread(ct);
    }
    if (!exceptions.isEmpty()) {
        for (Exception e : exceptions) {
            e.printStackTrace();
        }
        NodeControllerService ncs = joblet.getNodeController();
        ExceptionUtils.setNodeIds(exceptions, ncs.getId());
        ncs.getWorkQueue().schedule(new NotifyTaskFailureWork(ncs, this, exceptions));
    }
}