Examples with Context com.codahale.metrics.Timer.Context used on opensource projects

Example 26 with Context

use of com.codahale.metrics.Timer.Context in project torodb by torodb.

the class SimpleAnalyzedOplogBatchExecutorTest method testVisit_SingleOp_Success.

@Test
public void testVisit_SingleOp_Success() throws Exception {
    //GIVEN
    OplogOperation operation = mock(OplogOperation.class);
    SingleOpAnalyzedOplogBatch batch = new SingleOpAnalyzedOplogBatch(operation);
    ApplierContext applierContext = new ApplierContext.Builder().setReapplying(true).setUpdatesAsUpserts(true).build();
    Timer timer = mock(Timer.class);
    Context context = mock(Context.class);
    given(metrics.getSingleOpTimer(operation)).willReturn(timer);
    given(timer.time()).willReturn(context);
    doNothing().when(executor).execute(any(OplogOperation.class), any());
    //WHEN
    OplogOperation result = executor.visit(batch, applierContext);
    //THEN
    then(metrics).should().getSingleOpTimer(operation);
    then(timer).should().time();
    then(context).should().close();
    then(executor).should(times(1)).execute(operation, applierContext);
    assertEquals(operation, result);
}

Example 27 with Context

use of com.codahale.metrics.Timer.Context in project torodb by torodb.

the class SimpleAnalyzedOplogBatchExecutorTest method testVisit_SingleOp_UserEx.

@Test
public void testVisit_SingleOp_UserEx() throws Exception {
    //GIVEN
    OplogOperation operation = mock(OplogOperation.class);
    SingleOpAnalyzedOplogBatch batch = new SingleOpAnalyzedOplogBatch(operation);
    ApplierContext applierContext = new ApplierContext.Builder().setReapplying(true).setUpdatesAsUpserts(true).build();
    Timer timer = mock(Timer.class);
    Context context = mock(Context.class);
    given(metrics.getSingleOpTimer(operation)).willReturn(timer);
    given(timer.time()).willReturn(context);
    doThrow(new DatabaseNotFoundException("test")).when(executor).execute(operation, applierContext);
    //WHEN
    try {
        executor.visit(batch, applierContext);
        fail("An exception was expected");
    } catch (RetrierGiveUpException | RetrierAbortException ignore) {
    }
    //THEN
    then(metrics).should().getSingleOpTimer(operation);
    then(timer).should().time();
    then(executor).should(times(1)).execute(operation, applierContext);
}

Example 28 with Context

use of com.codahale.metrics.Timer.Context in project torodb by torodb.

the class SimpleAnalyzedOplogBatchExecutor method visit.

@Override
public OplogOperation visit(CudAnalyzedOplogBatch batch, ApplierContext arg) throws RetrierGiveUpException {
    metrics.getCudBatchSize().update(batch.getOriginalBatch().size());
    try (Context context = metrics.getCudBatchTimer().time()) {
        try {
            execute(batch, arg);
        } catch (UserException | NamespaceJobExecutionException ex) {
            throw new RetrierGiveUpException("Unexpected exception while replying", ex);
        } catch (RollbackException ex) {
            ApplierContext retryingReplingContext = new ApplierContext.Builder().setReapplying(true).setUpdatesAsUpserts(true).build();
            retrier.retry(() -> {
                try {
                    execute(batch, retryingReplingContext);
                    return Empty.getInstance();
                } catch (UserException | NamespaceJobExecutionException ex2) {
                    throw new RetrierAbortException("Unexpected user exception while applying " + "the batch " + batch, ex2);
                }
            }, Hint.CRITICAL, Hint.TIME_SENSIBLE);
        }
    }
    List<OplogOperation> originalBatch = batch.getOriginalBatch();
    return originalBatch.get(originalBatch.size() - 1);
}

Example 29 with Context

use of com.codahale.metrics.Timer.Context in project opennms by OpenNMS.

the class HibernateEventWriter method process.

@Override
public void process(Log eventLog) throws EventProcessorException {
    if (eventLog != null && eventLog.getEvents() != null) {
        final List<Event> eventsInLog = eventLog.getEvents().getEventCollection();
        // This shouldn't happen, but just to be safe...
        if (eventsInLog == null) {
            return;
        }
        // Find the events in the log that need to be persisted
        final List<Event> eventsToPersist = eventsInLog.stream().filter(e -> checkEventSanityAndDoWeProcess(e, "HibernateEventWriter")).collect(Collectors.toList());
        // If there are no events to persist, avoid creating a database transaction
        if (eventsToPersist.size() < 1) {
            return;
        }
        // Time the transaction and insertions
        try (Context context = writeTimer.time()) {
            final AtomicReference<EventProcessorException> exception = new AtomicReference<>();
            m_transactionManager.execute(new TransactionCallbackWithoutResult() {

                @Override
                protected void doInTransactionWithoutResult(TransactionStatus status) {
                    for (Event eachEvent : eventsToPersist) {
                        try {
                            process(eventLog.getHeader(), eachEvent);
                        } catch (EventProcessorException e) {
                            exception.set(e);
                            return;
                        }
                    }
                }
            });
            if (exception.get() != null) {
                throw exception.get();
            }
        }
    }
}

Example 30 with Context

use of com.codahale.metrics.Timer.Context in project opennms by OpenNMS.

the class StressCommand method execute.

@Override
public Void execute() throws Exception {
    // Apply sane lower bounds to all of the configurable options
    intervalInSeconds = Math.max(1, intervalInSeconds);
    numberOfNodes = Math.max(1, numberOfNodes);
    numberOfInterfacesPerNode = Math.max(1, numberOfInterfacesPerNode);
    numberOfGroupsPerInterface = Math.max(1, numberOfGroupsPerInterface);
    numberOfNumericAttributesPerGroup = Math.max(0, numberOfNumericAttributesPerGroup);
    numberOfStringAttributesPerGroup = Math.max(0, numberOfStringAttributesPerGroup);
    reportIntervalInSeconds = Math.max(1, reportIntervalInSeconds);
    numberOfGeneratorThreads = Math.max(1, numberOfGeneratorThreads);
    stringVariationFactor = Math.max(0, stringVariationFactor);
    if (stringVariationFactor > 0) {
        stringAttributesVaried = metrics.meter("string-attributes-varied");
    }
    // Display the effective settings and rates
    double attributesPerSecond = (1 / (double) intervalInSeconds) * numberOfGroupsPerInterface * numberOfInterfacesPerNode * numberOfNodes;
    System.out.printf("Generating collection sets every %d seconds\n", intervalInSeconds);
    System.out.printf("\t for %d nodes\n", numberOfNodes);
    System.out.printf("\t with %d interfaces\n", numberOfInterfacesPerNode);
    System.out.printf("\t with %d attribute groups\n", numberOfGroupsPerInterface);
    System.out.printf("\t with %d numeric attributes\n", numberOfNumericAttributesPerGroup);
    System.out.printf("\t with %d string attributes\n", numberOfStringAttributesPerGroup);
    System.out.printf("Across %d threads\n", numberOfGeneratorThreads);
    if (stringVariationFactor > 0) {
        System.out.printf("With string variation factor %d\n", stringVariationFactor);
    }
    System.out.printf("Which will yield an effective\n");
    System.out.printf("\t %.2f numeric attributes per second\n", numberOfNumericAttributesPerGroup * attributesPerSecond);
    System.out.printf("\t %.2f string attributes per second\n", numberOfStringAttributesPerGroup * attributesPerSecond);
    ConsoleReporter reporter = ConsoleReporter.forRegistry(metrics).convertRatesTo(TimeUnit.SECONDS).convertDurationsTo(TimeUnit.MILLISECONDS).build();
    // Setup the executor
    ThreadFactory threadFactoy = new ThreadFactoryBuilder().setNameFormat("Metrics Stress Tool Generator #%d").build();
    ExecutorService executor = Executors.newFixedThreadPool(numberOfGeneratorThreads, threadFactoy);
    // Setup auxiliary objects needed by the persister
    ServiceParameters params = new ServiceParameters(Collections.emptyMap());
    RrdRepository repository = new RrdRepository();
    repository.setStep(Math.max(intervalInSeconds, 1));
    repository.setHeartBeat(repository.getStep() * 2);
    if (rras != null && rras.size() > 0) {
        repository.setRraList(rras);
    } else {
        repository.setRraList(Lists.newArrayList(// Use the default list of RRAs we provide in our stock configuration files
        "RRA:AVERAGE:0.5:1:2016", "RRA:AVERAGE:0.5:12:1488", "RRA:AVERAGE:0.5:288:366", "RRA:MAX:0.5:288:366", "RRA:MIN:0.5:288:366"));
    }
    repository.setRrdBaseDir(Paths.get(System.getProperty("opennms.home"), "share", "rrd", "snmp").toFile());
    // Calculate how we fast we should insert the collection sets
    int sleepTimeInMillisBetweenNodes = 0;
    int sleepTimeInSecondsBetweenIterations = 0;
    System.out.printf("Sleeping for\n");
    if (burst) {
        sleepTimeInSecondsBetweenIterations = intervalInSeconds;
        System.out.printf("\t %d seconds between batches\n", sleepTimeInSecondsBetweenIterations);
    } else {
        // We want to "stream" the collection sets
        sleepTimeInMillisBetweenNodes = Math.round((((float) intervalInSeconds * 1000) / numberOfNodes) * numberOfGeneratorThreads);
        System.out.printf("\t %d milliseconds between nodes\n", sleepTimeInMillisBetweenNodes);
    }
    // Start generating, and keep generating until we're interrupted
    try {
        reporter.start(reportIntervalInSeconds, TimeUnit.SECONDS);
        while (true) {
            final Context context = batchTimer.time();
            try {
                // Split the tasks up among the threads
                List<Future<Void>> futures = new ArrayList<>();
                for (int generatorThreadId = 0; generatorThreadId < numberOfGeneratorThreads; generatorThreadId++) {
                    futures.add(executor.submit(generateAndPersistCollectionSets(params, repository, generatorThreadId, sleepTimeInMillisBetweenNodes)));
                }
                // Wait for all the tasks to complete before starting others
                for (Future<Void> future : futures) {
                    future.get();
                }
            } catch (InterruptedException | ExecutionException e) {
                break;
            } finally {
                context.stop();
            }
            try {
                Thread.sleep(sleepTimeInSecondsBetweenIterations * 1000L);
            } catch (InterruptedException e) {
                break;
            }
        }
    } finally {
        reporter.stop();
        abort.set(true);
        executor.shutdownNow();
    }
    return null;
}