Examples with OutboundCollector com.hazelcast.jet.impl.execution.OutboundCollector used on opensource projects

Example 1 with OutboundCollector

use of com.hazelcast.jet.impl.execution.OutboundCollector in project hazelcast-jet by hazelcast.

the class ExecutionPlan method createIfAbsentReceiverTasklet.

private void createIfAbsentReceiverTasklet(EdgeDef edge, int[][] ptionsPerProcessor, int totalPtionCount) {
    final ConcurrentConveyor<Object>[] localConveyors = localConveyorMap.get(edge.edgeId());
    receiverMap.computeIfAbsent(edge.destVertex().vertexId(), x -> new HashMap<>()).computeIfAbsent(edge.destOrdinal(), x -> {
        Map<Address, ReceiverTasklet> addrToTasklet = new HashMap<>();
        // create a receiver per address
        int offset = 0;
        for (Address addr : ptionArrgmt.remotePartitionAssignment.get().keySet()) {
            final OutboundCollector[] collectors = new OutboundCollector[ptionsPerProcessor.length];
            // assign the queues starting from end
            final int queueOffset = --offset;
            Arrays.setAll(collectors, n -> new ConveyorCollector(localConveyors[n], localConveyors[n].queueCount() + queueOffset, ptionsPerProcessor[n]));
            final OutboundCollector collector = compositeCollector(collectors, edge, totalPtionCount);
            ReceiverTasklet receiverTasklet = new ReceiverTasklet(collector, edge.getConfig().getReceiveWindowMultiplier(), getConfig().getInstanceConfig().getFlowControlPeriodMs());
            addrToTasklet.put(addr, receiverTasklet);
        }
        return addrToTasklet;
    });
}

Example 2 with OutboundCollector

use of com.hazelcast.jet.impl.execution.OutboundCollector in project hazelcast-jet by hazelcast.

the class ExecutionPlan method createOutboundCollectors.

private OutboundCollector[] createOutboundCollectors(EdgeDef edge, int processorIndex, Map<Address, ConcurrentConveyor<Object>> senderConveyorMap) {
    final int upstreamParallelism = edge.sourceVertex().localParallelism();
    final int downstreamParallelism = edge.destVertex().localParallelism();
    final int numRemoteMembers = ptionArrgmt.remotePartitionAssignment.get().size();
    final int queueSize = edge.getConfig().getQueueSize();
    final int[][] ptionsPerProcessor = ptionArrgmt.assignPartitionsToProcessors(downstreamParallelism, edge.isDistributed());
    if (edge.routingPolicy() == RoutingPolicy.ISOLATED) {
        if (downstreamParallelism < upstreamParallelism) {
            throw new IllegalArgumentException(String.format("The edge %s specifies the %s routing policy, but the downstream vertex" + " parallelism (%d) is less than the upstream vertex parallelism (%d)", edge, RoutingPolicy.ISOLATED.name(), downstreamParallelism, upstreamParallelism));
        }
        if (edge.isDistributed()) {
            throw new IllegalArgumentException("Isolated edges must be local: " + edge);
        }
        // there is only one producer per consumer for a one to many edge, so queueCount is always 1
        ConcurrentConveyor<Object>[] localConveyors = localConveyorMap.computeIfAbsent(edge.edgeId(), e -> createConveyorArray(downstreamParallelism, 1, queueSize));
        return IntStream.range(0, downstreamParallelism).filter(i -> i % upstreamParallelism == processorIndex).mapToObj(i -> new ConveyorCollector(localConveyors[i], 0, ptionsPerProcessor[i])).toArray(OutboundCollector[]::new);
    }
    /*
         * Each edge is represented by an array of conveyors between the producers and consumers
         * There are as many conveyors as there are consumers.
         * Each conveyor has one queue per producer.
         *
         * For a distributed edge, there is one additional producer per member represented
         * by the ReceiverTasklet.
         */
    final ConcurrentConveyor<Object>[] localConveyors = localConveyorMap.computeIfAbsent(edge.edgeId(), e -> {
        int queueCount = upstreamParallelism + (edge.isDistributed() ? numRemoteMembers : 0);
        return createConveyorArray(downstreamParallelism, queueCount, queueSize);
    });
    final OutboundCollector[] localCollectors = new OutboundCollector[downstreamParallelism];
    Arrays.setAll(localCollectors, n -> new ConveyorCollector(localConveyors[n], processorIndex, ptionsPerProcessor[n]));
    // in a local edge, we only have the local collectors.
    if (!edge.isDistributed()) {
        return localCollectors;
    }
    // in a distributed edge, allCollectors[0] is the composite of local collectors, and
    // allCollectors[n] where n > 0 is a collector pointing to a remote member _n_.
    final int totalPtionCount = nodeEngine.getPartitionService().getPartitionCount();
    final OutboundCollector[] allCollectors;
    createIfAbsentReceiverTasklet(edge, ptionsPerProcessor, totalPtionCount);
    // assign remote partitions to outbound data collectors
    final Map<Address, int[]> memberToPartitions = ptionArrgmt.remotePartitionAssignment.get();
    allCollectors = new OutboundCollector[memberToPartitions.size() + 1];
    allCollectors[0] = compositeCollector(localCollectors, edge, totalPtionCount);
    int index = 1;
    for (Map.Entry<Address, int[]> entry : memberToPartitions.entrySet()) {
        allCollectors[index++] = new ConveyorCollectorWithPartition(senderConveyorMap.get(entry.getKey()), processorIndex, entry.getValue());
    }
    return allCollectors;
}

Example 3 with OutboundCollector

use of com.hazelcast.jet.impl.execution.OutboundCollector in project hazelcast-jet by hazelcast.

the class ExecutionPlan method createOutboundEdgeStream.

private OutboundEdgeStream createOutboundEdgeStream(EdgeDef edge, int processorIndex, Map<Address, ConcurrentConveyor<Object>> senderConveyorMap) {
    final int totalPtionCount = nodeEngine.getPartitionService().getPartitionCount();
    OutboundCollector[] outboundCollectors = createOutboundCollectors(edge, processorIndex, senderConveyorMap);
    OutboundCollector compositeCollector = compositeCollector(outboundCollectors, edge, totalPtionCount);
    return new OutboundEdgeStream(edge.sourceOrdinal(), compositeCollector);
}

Example 4 with OutboundCollector

use of com.hazelcast.jet.impl.execution.OutboundCollector in project hazelcast by hazelcast.

the class ExecutionPlan method initialize.

/**
 * A method called on the members as part of the InitExecutionOperation.
 * Creates tasklets, inboxes/outboxes and connects these to make them ready
 * for a later StartExecutionOperation.
 */
public void initialize(NodeEngineImpl nodeEngine, long jobId, long executionId, @Nonnull SnapshotContext snapshotContext, ConcurrentHashMap<String, File> tempDirectories, InternalSerializationService jobSerializationService) {
    this.nodeEngine = nodeEngine;
    this.jobClassLoaderService = ((JetServiceBackend) nodeEngine.getService(JetServiceBackend.SERVICE_NAME)).getJobClassLoaderService();
    this.executionId = executionId;
    initProcSuppliers(jobId, tempDirectories, jobSerializationService);
    initDag(jobSerializationService);
    this.ptionArrgmt = new PartitionArrangement(partitionAssignment, nodeEngine.getThisAddress());
    Set<Integer> higherPriorityVertices = VertexDef.getHigherPriorityVertices(vertices);
    for (Address destAddr : remoteMembers.get()) {
        Connection conn = getMemberConnection(nodeEngine, destAddr);
        if (conn == null) {
            throw new TopologyChangedException("no connection to job participant: " + destAddr);
        }
        memberConnections.put(destAddr, conn);
    }
    for (VertexDef vertex : vertices) {
        ClassLoader processorClassLoader = isLightJob ? null : jobClassLoaderService.getProcessorClassLoader(jobId, vertex.name());
        Collection<? extends Processor> processors = doWithClassLoader(processorClassLoader, () -> createProcessors(vertex, vertex.localParallelism()));
        String jobPrefix = prefix(jobConfig.getName(), jobId, vertex.name());
        // create StoreSnapshotTasklet and the queues to it
        ConcurrentConveyor<Object> ssConveyor = null;
        if (!isLightJob) {
            // Note that we create the snapshot queues for all non-light jobs, even if they don't have
            // processing guarantee enabled, because in EE one can request a snapshot also for
            // non-snapshotted jobs.
            @SuppressWarnings("unchecked") QueuedPipe<Object>[] snapshotQueues = new QueuedPipe[vertex.localParallelism()];
            Arrays.setAll(snapshotQueues, i -> new OneToOneConcurrentArrayQueue<>(SNAPSHOT_QUEUE_SIZE));
            ssConveyor = ConcurrentConveyor.concurrentConveyor(null, snapshotQueues);
            ILogger storeSnapshotLogger = prefixedLogger(nodeEngine.getLogger(StoreSnapshotTasklet.class), jobPrefix);
            StoreSnapshotTasklet ssTasklet = new StoreSnapshotTasklet(snapshotContext, ConcurrentInboundEdgeStream.create(ssConveyor, 0, 0, true, jobPrefix + "/ssFrom", null), new AsyncSnapshotWriterImpl(nodeEngine, snapshotContext, vertex.name(), memberIndex, memberCount, jobSerializationService), storeSnapshotLogger, vertex.name(), higherPriorityVertices.contains(vertex.vertexId()));
            tasklets.add(ssTasklet);
        }
        int localProcessorIdx = 0;
        for (Processor processor : processors) {
            int globalProcessorIndex = memberIndex * vertex.localParallelism() + localProcessorIdx;
            String processorPrefix = prefix(jobConfig.getName(), jobId, vertex.name(), globalProcessorIndex);
            ILogger logger = prefixedLogger(nodeEngine.getLogger(processor.getClass()), processorPrefix);
            ProcCtx context = new ProcCtx(nodeEngine, jobId, executionId, getJobConfig(), logger, vertex.name(), localProcessorIdx, globalProcessorIndex, isLightJob, partitionAssignment, vertex.localParallelism(), memberIndex, memberCount, tempDirectories, jobSerializationService, subject, processorClassLoader);
            // createOutboundEdgeStreams() populates localConveyorMap and edgeSenderConveyorMap.
            // Also populates instance fields: senderMap, receiverMap, tasklets.
            List<OutboundEdgeStream> outboundStreams = createOutboundEdgeStreams(vertex, localProcessorIdx, jobPrefix, jobSerializationService);
            List<InboundEdgeStream> inboundStreams = createInboundEdgeStreams(vertex, localProcessorIdx, jobPrefix, globalProcessorIndex);
            OutboundCollector snapshotCollector = ssConveyor == null ? null : new ConveyorCollector(ssConveyor, localProcessorIdx, null);
            // vertices which are only used for snapshot restore will not be marked as "source=true" in metrics
            // also do not consider snapshot restore edges for determining source tag
            boolean isSource = vertex.inboundEdges().stream().allMatch(EdgeDef::isSnapshotRestoreEdge) && !vertex.isSnapshotVertex();
            ProcessorTasklet processorTasklet = new ProcessorTasklet(context, nodeEngine.getExecutionService().getExecutor(TASKLET_INIT_CLOSE_EXECUTOR_NAME), jobSerializationService, processor, inboundStreams, outboundStreams, snapshotContext, snapshotCollector, isSource);
            tasklets.add(processorTasklet);
            this.processors.add(processor);
            localProcessorIdx++;
        }
    }
    List<ReceiverTasklet> allReceivers = receiverMap.values().stream().flatMap(o -> o.values().stream()).flatMap(a -> a.values().stream()).collect(toList());
    tasklets.addAll(allReceivers);
}

Example 5 with OutboundCollector

use of com.hazelcast.jet.impl.execution.OutboundCollector in project hazelcast by hazelcast.

the class ExecutionPlan method createRemoteOutboundCollectors.

private OutboundCollector[] createRemoteOutboundCollectors(EdgeDef edge, String jobPrefix, int processorIndex, int totalPartitionCount, int[][] partitionsPerProcessor, InternalSerializationService jobSerializationService) {
    // the distributed-to-one edge must be partitioned and the target member must be present
    if (!edge.getDistributedTo().equals(DISTRIBUTE_TO_ALL)) {
        if (edge.routingPolicy() != RoutingPolicy.PARTITIONED) {
            throw new JetException("An edge distributing to a specific member must be partitioned: " + edge);
        }
        if (!ptionArrgmt.getRemotePartitionAssignment().containsKey(edge.getDistributedTo()) && !edge.getDistributedTo().equals(nodeEngine.getThisAddress())) {
            throw new JetException("The target member of an edge is not present in the cluster or is a lite member: " + edge);
        }
    }
    Map<Address, ConcurrentConveyor<Object>> senderConveyorMap = memberToSenderConveyorMap(edgeSenderConveyorMap, edge, jobPrefix, jobSerializationService);
    createIfAbsentReceiverTasklet(edge, jobPrefix, partitionsPerProcessor, totalPartitionCount, jobSerializationService);
    // assign remote partitions to outbound data collectors
    Address distributeTo = edge.getDistributedTo();
    Map<Address, int[]> memberToPartitions = distributeTo.equals(DISTRIBUTE_TO_ALL) ? ptionArrgmt.getRemotePartitionAssignment() : ptionArrgmt.remotePartitionAssignmentToOne(distributeTo);
    OutboundCollector[] remoteCollectors = new OutboundCollector[memberToPartitions.size()];
    int index = 0;
    for (Map.Entry<Address, int[]> entry : memberToPartitions.entrySet()) {
        Address memberAddress = entry.getKey();
        int[] memberPartitions = entry.getValue();
        ConcurrentConveyor<Object> conveyor = senderConveyorMap.get(memberAddress);
        remoteCollectors[index++] = new ConveyorCollectorWithPartition(conveyor, processorIndex, memberPartitions);
    }
    return remoteCollectors;
}