Examples with Context io.mantisrx.runtime.Context used on opensource projects

Example 11 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class LocalJobExecutorNetworked method execute.

@SuppressWarnings({ "rawtypes", "unchecked" })
public static void execute(Job job, SchedulingInfo schedulingInfo, Parameter... parameters) throws IllegalMantisJobException {
    // validate job
    try {
        new ValidateJob(job).execute();
    } catch (CommandException e) {
        throw new IllegalMantisJobException(e);
    }
    // execute job
    List<StageConfig> stages = job.getStages();
    final SourceHolder source = job.getSource();
    final SinkHolder sink = job.getSink();
    final PortSelector portSelector = new PortSelectorInRange(8000, 9000);
    // register netty metrics
    RxNetty.useMetricListenersFactory(new MantisNettyEventsListenerFactory());
    // start our metrics server
    MetricsServer metricsServer = new MetricsServer(portSelector.acquirePort(), 1, Collections.EMPTY_MAP);
    metricsServer.start();
    Lifecycle lifecycle = job.getLifecycle();
    lifecycle.startup();
    // create job context
    Map parameterDefinitions = job.getParameterDefinitions();
    final String user = Optional.ofNullable(System.getenv("USER")).orElse("userUnknown");
    String jobId = String.format("localJob-%s-%d", user, (int) (Math.random() * 10000));
    logger.info("jobID {}", jobId);
    final ServiceLocator serviceLocator = lifecycle.getServiceLocator();
    int numInstances = schedulingInfo.forStage(1).getNumberOfInstances();
    BehaviorSubject<Integer> workersInStageOneObservable = BehaviorSubject.create(numInstances);
    BehaviorSubject<WorkerMap> workerMapObservable = BehaviorSubject.create();
    if (stages.size() == 1) {
        // single stage job
        final StageConfig stage = stages.get(0);
        // use latch to wait for all instances to complete
        final CountDownLatch waitUntilAllCompleted = new CountDownLatch(numInstances);
        Action0 countDownLatchOnComplete = new Action0() {

            @Override
            public void call() {
                waitUntilAllCompleted.countDown();
            }
        };
        Action0 nullOnCompleted = new Action0() {

            @Override
            public void call() {
            }
        };
        Action1<Throwable> nullOnError = new Action1<Throwable>() {

            @Override
            public void call(Throwable t) {
            }
        };
        Map<Integer, List<WorkerInfo>> workerInfoMap = new HashMap<>();
        List<WorkerInfo> workerInfoList = new ArrayList<>();
        // run for num of instances
        for (int i = 0; i < numInstances; i++) {
            WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
            WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, 1, i, i + 1, MantisJobDurationType.Perpetual, "localhost", workerPorts);
            workerInfoList.add(workerInfo);
            Context context = new Context(ParameterUtils.createContextParameters(parameterDefinitions, parameters), lifecycle.getServiceLocator(), // new WorkerInfo(jobId, jobId, 1, i, i, MantisJobDurationType.Perpetual, "localhost", new ArrayList<>(),-1,-1),
            workerInfo, MetricsRegistry.getInstance(), () -> {
                System.exit(0);
            }, workerMapObservable);
            // workers for stage 1
            workerInfoMap.put(1, workerInfoList);
            workerMapObservable.onNext(new WorkerMap(workerInfoMap));
            StageExecutors.executeSingleStageJob(source, stage, sink, () -> workerInfo.getWorkerPorts().getSinkPort(), new RxMetrics(), context, countDownLatchOnComplete, i, workersInStageOneObservable, null, null, nullOnCompleted, nullOnError);
        }
        // wait for all instances to complete
        try {
            waitUntilAllCompleted.await();
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    } else {
        // multi-stage job
        int workerNumber = 0;
        // start source stages
        StageConfig currentStage = stages.get(0);
        StageConfig previousStage = null;
        StageSchedulingInfo currentStageScalingInfo = schedulingInfo.forStage(1);
        StageSchedulingInfo nextStageScalingInfo = schedulingInfo.forStage(2);
        // num ports
        int[] previousPorts = new int[currentStageScalingInfo.getNumberOfInstances()];
        Map<Integer, List<WorkerInfo>> workerInfoMap = new HashMap<>();
        List<WorkerInfo> workerInfoList = new ArrayList<>();
        for (int i = 0; i < currentStageScalingInfo.getNumberOfInstances(); i++) {
            WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
            WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, 1, i, i + 1, MantisJobDurationType.Perpetual, "localhost", workerPorts);
            workerInfoList.add(workerInfo);
            // int sourcePort = portSelector.acquirePort();
            int sourcePort = workerInfo.getWorkerPorts().getSinkPort();
            previousPorts[i] = sourcePort;
            Context context = new Context(ParameterUtils.createContextParameters(parameterDefinitions, parameters), serviceLocator, workerInfo, MetricsRegistry.getInstance(), nullAction, workerMapObservable);
            startSource(i, sourcePort, nextStageScalingInfo.getNumberOfInstances(), job.getSource(), currentStage, context, workersInStageOneObservable);
        }
        // workers for stage 1
        workerInfoMap.put(1, workerInfoList);
        workerMapObservable.onNext(new WorkerMap(workerInfoMap));
        // start intermediate stages, all but last stage
        for (int i = 1; i < stages.size() - 1; i++) {
            previousStage = currentStage;
            StageSchedulingInfo previousStageScalingInfo = schedulingInfo.forStage(i);
            // stages indexed starting at 1
            currentStageScalingInfo = schedulingInfo.forStage(i + 1);
            currentStage = stages.get(i);
            // stages indexed starting at 1
            nextStageScalingInfo = schedulingInfo.forStage(i + 2);
            int[] currentPorts = new int[currentStageScalingInfo.getNumberOfInstances()];
            workerInfoList = new ArrayList<>();
            for (int j = 0; j < currentStageScalingInfo.getNumberOfInstances(); j++) {
                WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
                WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, i + 1, j, workerNumber++, MantisJobDurationType.Perpetual, "localhost", workerPorts);
                workerInfoList.add(workerInfo);
                // int port = portSelector.acquirePort();
                int port = workerInfo.getWorkerPorts().getSinkPort();
                currentPorts[j] = port;
                Context context = new Context(ParameterUtils.createContextParameters(parameterDefinitions, parameters), serviceLocator, workerInfo, MetricsRegistry.getInstance(), nullAction, workerMapObservable);
                startIntermediate(previousPorts, port, currentStage, context, j, nextStageScalingInfo.getNumberOfInstances(), i, previousStageScalingInfo.getNumberOfInstances());
            }
            // workers for current stage
            workerInfoMap.put(i + 1, workerInfoList);
            workerMapObservable.onNext(new WorkerMap(workerInfoMap));
            previousPorts = currentPorts;
        }
        // start sink stage
        StageSchedulingInfo previousStageScalingInfo = schedulingInfo.forStage(stages.size() - 1);
        previousStage = stages.get(stages.size() - 2);
        currentStage = stages.get(stages.size() - 1);
        currentStageScalingInfo = schedulingInfo.forStage(stages.size());
        numInstances = currentStageScalingInfo.getNumberOfInstances();
        // use latch to wait for all instances to complete
        final CountDownLatch waitUntilAllCompleted = new CountDownLatch(numInstances);
        Action0 countDownLatchOnTerminated = new Action0() {

            @Override
            public void call() {
                waitUntilAllCompleted.countDown();
            }
        };
        Action0 nullOnCompleted = new Action0() {

            @Override
            public void call() {
            }
        };
        Action1<Throwable> nullOnError = new Action1<Throwable>() {

            @Override
            public void call(Throwable t) {
            }
        };
        workerInfoList = new ArrayList<>();
        for (int i = 0; i < numInstances; i++) {
            WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
            WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, stages.size(), i, workerNumber++, MantisJobDurationType.Perpetual, "localhost", workerPorts);
            workerInfoList.add(workerInfo);
            Context context = new Context(ParameterUtils.createContextParameters(parameterDefinitions, parameters), serviceLocator, workerInfo, MetricsRegistry.getInstance(), nullAction, workerMapObservable);
            startSink(previousStage, previousPorts, currentStage, () -> workerInfo.getWorkerPorts().getSinkPort(), sink, context, countDownLatchOnTerminated, nullOnCompleted, nullOnError, stages.size(), i, previousStageScalingInfo.getNumberOfInstances());
        }
        workerInfoMap.put(stages.size(), workerInfoList);
        workerMapObservable.onNext(new WorkerMap(workerInfoMap));
        // wait for all instances to complete
        try {
            waitUntilAllCompleted.await();
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }
    lifecycle.shutdown();
    metricsServer.shutdown();
}

Example 12 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class StageExecutors method executeMantisGroups.

@SuppressWarnings("unchecked")
private static <K, T, R> Observable<Observable<R>> executeMantisGroups(Observable<Observable<MantisGroup<K, T>>> go, final Computation computation, final Context context, final long groupTakeUntil) {
    logger.info("initializing {}", computation.getClass().getCanonicalName());
    computation.init(context);
    // from groups to observable
    final Func2<Context, Observable<MantisGroup<K, T>>, Observable<R>> c = (Func2<Context, Observable<MantisGroup<K, T>>, Observable<R>>) computation;
    return go.lift(new MonitorOperator<>("worker_stage_outer")).map((Func1<Observable<MantisGroup<K, T>>, Observable<R>>) group -> c.call(context, group.lift(new MonitorOperator<>("worker_stage_inner_input"))).lift(new MonitorOperator("worker_stage_inner_output")));
}

Example 13 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class StageExecutors method executeMantisGroupsInParallel.

/**
 * @param go
 * @param computation
 *
 * @return untyped to support multiple callers return types
 */
@SuppressWarnings("unchecked")
private static <K, T, R> Observable<Observable<R>> executeMantisGroupsInParallel(Observable<Observable<MantisGroup<K, T>>> go, Computation computation, final Context context, final boolean applyTimeoutToInners, final long timeout, final int concurrency) {
    logger.info("initializing {}", computation.getClass().getCanonicalName());
    computation.init(context);
    // from groups to observable
    final Func2<Context, Observable<MantisGroup<K, T>>, Observable<R>> c = (Func2<Context, Observable<MantisGroup<K, T>>, Observable<R>>) computation;
    if (concurrency == StageConfig.DEFAULT_STAGE_CONCURRENCY) {
        return go.lift(new MonitorOperator<>("worker_stage_outer")).map(observable -> c.call(context, observable.observeOn(Schedulers.computation()).lift(new MonitorOperator<>("worker_stage_inner_input"))).lift(new MonitorOperator<>("worker_stage_inner_output")));
    } else {
        final MantisRxSingleThreadScheduler[] mantisRxSingleThreadSchedulers = new MantisRxSingleThreadScheduler[concurrency];
        RxThreadFactory rxThreadFactory = new RxThreadFactory("MantisRxSingleThreadScheduler-");
        logger.info("creating {} Mantis threads", concurrency);
        for (int i = 0; i < concurrency; i++) {
            mantisRxSingleThreadSchedulers[i] = new MantisRxSingleThreadScheduler(rxThreadFactory);
        }
        return go.lift(new MonitorOperator<>("worker_stage_outer")).map(observable -> observable.groupBy(e -> Math.abs(e.getKeyValue().hashCode()) % concurrency).flatMap(gbo -> c.call(context, gbo.observeOn(mantisRxSingleThreadSchedulers[gbo.getKey().intValue()]).lift(new MonitorOperator<MantisGroup<K, T>>("worker_stage_inner_input"))).lift(new MonitorOperator<R>("worker_stage_inner_output"))));
    }
}

Example 14 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class StageExecutors method executeGroupsInParallel.

@SuppressWarnings("unchecked")
private static <K, T, R> Observable<Observable<R>> executeGroupsInParallel(Observable<GroupedObservable<K, T>> go, final Computation computation, final Context context, final long groupTakeUntil) {
    logger.info("initializing {}", computation.getClass().getCanonicalName());
    computation.init(context);
    // from groups to observable
    final Func2<Context, GroupedObservable<K, T>, Observable<R>> c = (Func2<Context, GroupedObservable<K, T>, Observable<R>>) computation;
    return go.lift(new MonitorOperator<>("worker_stage_outer")).map((Func1<GroupedObservable<K, T>, Observable<R>>) group -> c.call(context, GroupedObservableUtils.createGroupedObservable(group.getKey(), group.doOnUnsubscribe(() -> {
        if (groupsExpiredCounter != null)
            groupsExpiredCounter.increment();
    }).timeout(groupTakeUntil, TimeUnit.SECONDS, (Observable<? extends T>) Observable.empty()).subscribeOn(Schedulers.computation()).lift(new MonitorOperator<T>("worker_stage_inner_input")))).lift(new MonitorOperator("worker_stage_inner_output")));
}

Example 15 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class StageExecutors method executeInnersInParallel.

/**
 * @param oo
 * @param computation
 *
 * @return untyped to support multiple callers return types
 */
@SuppressWarnings("unchecked")
private static <T, R> Observable<Observable<R>> executeInnersInParallel(Observable<Observable<T>> oo, Computation computation, final Context context, final boolean applyTimeoutToInners, final long timeout, final int concurrency) {
    logger.info("initializing {}", computation.getClass().getCanonicalName());
    computation.init(context);
    // from groups to observable
    final Func2<Context, Observable<T>, Observable<R>> c = (Func2<Context, Observable<T>, Observable<R>>) computation;
    if (concurrency == StageConfig.DEFAULT_STAGE_CONCURRENCY) {
        return oo.lift(new MonitorOperator<>("worker_stage_outer")).map(observable -> c.call(context, observable.observeOn(Schedulers.computation()).lift(new MonitorOperator<T>("worker_stage_inner_input"))).lift(new MonitorOperator<R>("worker_stage_inner_output")));
    } else {
        final MantisRxSingleThreadScheduler[] mantisRxSingleThreadSchedulers = new MantisRxSingleThreadScheduler[concurrency];
        RxThreadFactory rxThreadFactory = new RxThreadFactory("MantisRxSingleThreadScheduler-");
        logger.info("creating {} Mantis threads", concurrency);
        for (int i = 0; i < concurrency; i++) {
            mantisRxSingleThreadSchedulers[i] = new MantisRxSingleThreadScheduler(rxThreadFactory);
        }
        return oo.lift(new MonitorOperator<>("worker_stage_outer")).map(observable -> observable.groupBy(e -> System.nanoTime() % concurrency).flatMap(go -> c.call(context, go.observeOn(mantisRxSingleThreadSchedulers[go.getKey().intValue()]).lift(new MonitorOperator<>("worker_stage_inner_input"))).lift(new MonitorOperator<>("worker_stage_inner_output"))));
    }
}