Examples with ReportableEntityHandler com.wavefront.agent.handlers.ReportableEntityHandler used on opensource projects

Example 6 with ReportableEntityHandler

use of com.wavefront.agent.handlers.ReportableEntityHandler in project java by wavefrontHQ.

the class JaegerProtobufUtils method processSpan.

private static void processSpan(Model.Span span, String serviceName, String sourceName, String applicationName, String cluster, String shard, List<Annotation> processAnnotations, ReportableEntityHandler<Span, String> spanHandler, ReportableEntityHandler<SpanLogs, String> spanLogsHandler, @Nullable WavefrontInternalReporter wfInternalReporter, Supplier<Boolean> spanLogsDisabled, Supplier<ReportableEntityPreprocessor> preprocessorSupplier, SpanSampler sampler, Set<String> traceDerivedCustomTagKeys, Counter discardedSpansBySampler, Set<Pair<Map<String, String>, String>> discoveredHeartbeatMetrics) {
    List<Annotation> annotations = new ArrayList<>(processAnnotations);
    // serviceName is mandatory in Jaeger
    annotations.add(new Annotation(SERVICE_TAG_KEY, serviceName));
    String componentTagValue = NULL_TAG_VAL;
    boolean isError = false;
    if (span.getTagsList() != null) {
        for (Model.KeyValue tag : span.getTagsList()) {
            if (IGNORE_TAGS.contains(tag.getKey()) || (tag.getVType() == Model.ValueType.STRING && StringUtils.isBlank(tag.getVStr()))) {
                continue;
            }
            Annotation annotation = tagToAnnotation(tag);
            if (annotation != null) {
                switch(annotation.getKey()) {
                    case APPLICATION_TAG_KEY:
                        applicationName = annotation.getValue();
                        continue;
                    case CLUSTER_TAG_KEY:
                        cluster = annotation.getValue();
                        continue;
                    case SHARD_TAG_KEY:
                        shard = annotation.getValue();
                        continue;
                    case SOURCE_KEY:
                        // Do not add source to annotation span tag list.
                        sourceName = annotation.getValue();
                        continue;
                    case SERVICE_TAG_KEY:
                        // Do not use service tag from annotations, use field instead
                        continue;
                    case COMPONENT_TAG_KEY:
                        componentTagValue = annotation.getValue();
                        break;
                    case ERROR_TAG_KEY:
                        // only error=true is supported
                        isError = annotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                        break;
                }
                annotations.add(annotation);
            }
        }
    }
    // Add all wavefront indexed tags. These are set based on below hierarchy.
    // Span Level > Process Level > Proxy Level > Default
    annotations.add(new Annotation(APPLICATION_TAG_KEY, applicationName));
    annotations.add(new Annotation(CLUSTER_TAG_KEY, cluster));
    annotations.add(new Annotation(SHARD_TAG_KEY, shard));
    if (span.getReferencesList() != null) {
        for (Model.SpanRef reference : span.getReferencesList()) {
            switch(reference.getRefType()) {
                case CHILD_OF:
                    if (!reference.getSpanId().isEmpty()) {
                        annotations.add(new Annotation(TraceConstants.PARENT_KEY, toStringId(reference.getSpanId())));
                    }
                    break;
                case FOLLOWS_FROM:
                    if (!reference.getSpanId().isEmpty()) {
                        annotations.add(new Annotation(TraceConstants.FOLLOWS_FROM_KEY, toStringId(reference.getSpanId())));
                    }
                default:
            }
        }
    }
    if (!spanLogsDisabled.get() && span.getLogsCount() > 0) {
        annotations.add(new Annotation("_spanLogs", "true"));
    }
    Span wavefrontSpan = Span.newBuilder().setCustomer("dummy").setName(span.getOperationName()).setSource(sourceName).setSpanId(toStringId(span.getSpanId())).setTraceId(toStringId(span.getTraceId())).setStartMillis(toMillis(span.getStartTime())).setDuration(toMillis(span.getDuration())).setAnnotations(annotations).build();
    // Log Jaeger spans as well as Wavefront spans for debugging purposes.
    if (JAEGER_DATA_LOGGER.isLoggable(Level.FINEST)) {
        JAEGER_DATA_LOGGER.info("Inbound Jaeger span: " + span.toString());
        JAEGER_DATA_LOGGER.info("Converted Wavefront span: " + wavefrontSpan.toString());
    }
    if (preprocessorSupplier != null) {
        ReportableEntityPreprocessor preprocessor = preprocessorSupplier.get();
        String[] messageHolder = new String[1];
        preprocessor.forSpan().transform(wavefrontSpan);
        if (!preprocessor.forSpan().filter(wavefrontSpan, messageHolder)) {
            if (messageHolder[0] != null) {
                spanHandler.reject(wavefrontSpan, messageHolder[0]);
            } else {
                spanHandler.block(wavefrontSpan);
            }
            return;
        }
    }
    if (sampler.sample(wavefrontSpan, discardedSpansBySampler)) {
        spanHandler.report(wavefrontSpan);
        if (span.getLogsCount() > 0 && !isFeatureDisabled(spanLogsDisabled, SPANLOGS_DISABLED, null)) {
            SpanLogs spanLogs = SpanLogs.newBuilder().setCustomer("default").setTraceId(wavefrontSpan.getTraceId()).setSpanId(wavefrontSpan.getSpanId()).setLogs(span.getLogsList().stream().map(x -> {
                Map<String, String> fields = new HashMap<>(x.getFieldsCount());
                x.getFieldsList().forEach(t -> {
                    switch(t.getVType()) {
                        case STRING:
                            fields.put(t.getKey(), t.getVStr());
                            break;
                        case BOOL:
                            fields.put(t.getKey(), String.valueOf(t.getVBool()));
                            break;
                        case INT64:
                            fields.put(t.getKey(), String.valueOf(t.getVInt64()));
                            break;
                        case FLOAT64:
                            fields.put(t.getKey(), String.valueOf(t.getVFloat64()));
                            break;
                        case BINARY:
                        // ignore
                        default:
                    }
                });
                return SpanLog.newBuilder().setTimestamp(toMicros(x.getTimestamp())).setFields(fields).build();
            }).collect(Collectors.toList())).build();
            spanLogsHandler.report(spanLogs);
        }
    }
    // report stats irrespective of span sampling.
    if (wfInternalReporter != null) {
        // Set post preprocessor rule values and report converted metrics/histograms from the span
        List<Annotation> processedAnnotations = wavefrontSpan.getAnnotations();
        for (Annotation processedAnnotation : processedAnnotations) {
            switch(processedAnnotation.getKey()) {
                case APPLICATION_TAG_KEY:
                    applicationName = processedAnnotation.getValue();
                    continue;
                case SERVICE_TAG_KEY:
                    serviceName = processedAnnotation.getValue();
                    continue;
                case CLUSTER_TAG_KEY:
                    cluster = processedAnnotation.getValue();
                    continue;
                case SHARD_TAG_KEY:
                    shard = processedAnnotation.getValue();
                    continue;
                case COMPONENT_TAG_KEY:
                    componentTagValue = processedAnnotation.getValue();
                    continue;
                case ERROR_TAG_KEY:
                    isError = processedAnnotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                    continue;
            }
        }
        List<Pair<String, String>> spanTags = processedAnnotations.stream().map(a -> new Pair<>(a.getKey(), a.getValue())).collect(Collectors.toList());
        discoveredHeartbeatMetrics.add(reportWavefrontGeneratedData(wfInternalReporter, wavefrontSpan.getName(), applicationName, serviceName, cluster, shard, wavefrontSpan.getSource(), componentTagValue, isError, toMicros(span.getDuration()), traceDerivedCustomTagKeys, spanTags, true));
    }
}

Example 7 with ReportableEntityHandler

use of com.wavefront.agent.handlers.ReportableEntityHandler in project java by wavefrontHQ.

the class JaegerThriftUtils method processSpan.

private static void processSpan(io.jaegertracing.thriftjava.Span span, String serviceName, String sourceName, String applicationName, String cluster, String shard, List<Annotation> processAnnotations, ReportableEntityHandler<Span, String> spanHandler, ReportableEntityHandler<SpanLogs, String> spanLogsHandler, @Nullable WavefrontInternalReporter wfInternalReporter, Supplier<Boolean> spanLogsDisabled, Supplier<ReportableEntityPreprocessor> preprocessorSupplier, SpanSampler sampler, Set<String> traceDerivedCustomTagKeys, Counter discardedSpansBySampler, Set<Pair<Map<String, String>, String>> discoveredHeartbeatMetrics) {
    List<Annotation> annotations = new ArrayList<>(processAnnotations);
    String traceId = new UUID(span.getTraceIdHigh(), span.getTraceIdLow()).toString();
    String strippedTraceId = StringUtils.stripStart(traceId.replace("-", ""), "0");
    strippedTraceId = strippedTraceId.length() > 0 ? strippedTraceId : "0";
    annotations.add(new Annotation("jaegerSpanId", Long.toHexString(span.getSpanId())));
    annotations.add(new Annotation("jaegerTraceId", strippedTraceId));
    // serviceName is mandatory in Jaeger
    annotations.add(new Annotation(SERVICE_TAG_KEY, serviceName));
    long parentSpanId = span.getParentSpanId();
    if (parentSpanId != 0) {
        annotations.add(new Annotation("parent", new UUID(0, parentSpanId).toString()));
    }
    String componentTagValue = NULL_TAG_VAL;
    boolean isError = false;
    if (span.getTags() != null) {
        for (Tag tag : span.getTags()) {
            if (IGNORE_TAGS.contains(tag.getKey()) || (tag.vType == TagType.STRING && StringUtils.isBlank(tag.getVStr()))) {
                continue;
            }
            Annotation annotation = tagToAnnotation(tag);
            if (annotation != null) {
                switch(annotation.getKey()) {
                    case APPLICATION_TAG_KEY:
                        applicationName = annotation.getValue();
                        continue;
                    case CLUSTER_TAG_KEY:
                        cluster = annotation.getValue();
                        continue;
                    case SHARD_TAG_KEY:
                        shard = annotation.getValue();
                        continue;
                    case SOURCE_KEY:
                        // Do not add source to annotation span tag list.
                        sourceName = annotation.getValue();
                        continue;
                    case SERVICE_TAG_KEY:
                        // Do not use service tag from annotations, use field instead
                        continue;
                    case COMPONENT_TAG_KEY:
                        componentTagValue = annotation.getValue();
                        break;
                    case ERROR_TAG_KEY:
                        // only error=true is supported
                        isError = annotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                        break;
                }
                annotations.add(annotation);
            }
        }
    }
    // Add all wavefront indexed tags. These are set based on below hierarchy.
    // Span Level > Process Level > Proxy Level > Default
    annotations.add(new Annotation(APPLICATION_TAG_KEY, applicationName));
    annotations.add(new Annotation(CLUSTER_TAG_KEY, cluster));
    annotations.add(new Annotation(SHARD_TAG_KEY, shard));
    if (span.getReferences() != null) {
        for (SpanRef reference : span.getReferences()) {
            switch(reference.refType) {
                case CHILD_OF:
                    if (reference.getSpanId() != 0 && reference.getSpanId() != parentSpanId) {
                        annotations.add(new Annotation(TraceConstants.PARENT_KEY, new UUID(0, reference.getSpanId()).toString()));
                    }
                case FOLLOWS_FROM:
                    if (reference.getSpanId() != 0) {
                        annotations.add(new Annotation(TraceConstants.FOLLOWS_FROM_KEY, new UUID(0, reference.getSpanId()).toString()));
                    }
                default:
            }
        }
    }
    if (!spanLogsDisabled.get() && span.getLogs() != null && !span.getLogs().isEmpty()) {
        annotations.add(new Annotation("_spanLogs", "true"));
    }
    Span wavefrontSpan = Span.newBuilder().setCustomer("dummy").setName(span.getOperationName()).setSource(sourceName).setSpanId(new UUID(0, span.getSpanId()).toString()).setTraceId(traceId).setStartMillis(span.getStartTime() / 1000).setDuration(span.getDuration() / 1000).setAnnotations(annotations).build();
    // Log Jaeger spans as well as Wavefront spans for debugging purposes.
    if (JAEGER_DATA_LOGGER.isLoggable(Level.FINEST)) {
        JAEGER_DATA_LOGGER.info("Inbound Jaeger span: " + span.toString());
        JAEGER_DATA_LOGGER.info("Converted Wavefront span: " + wavefrontSpan.toString());
    }
    if (preprocessorSupplier != null) {
        ReportableEntityPreprocessor preprocessor = preprocessorSupplier.get();
        String[] messageHolder = new String[1];
        preprocessor.forSpan().transform(wavefrontSpan);
        if (!preprocessor.forSpan().filter(wavefrontSpan, messageHolder)) {
            if (messageHolder[0] != null) {
                spanHandler.reject(wavefrontSpan, messageHolder[0]);
            } else {
                spanHandler.block(wavefrontSpan);
            }
            return;
        }
    }
    if (sampler.sample(wavefrontSpan, discardedSpansBySampler)) {
        spanHandler.report(wavefrontSpan);
        if (span.getLogs() != null && !span.getLogs().isEmpty() && !isFeatureDisabled(spanLogsDisabled, SPANLOGS_DISABLED, null)) {
            SpanLogs spanLogs = SpanLogs.newBuilder().setCustomer("default").setTraceId(wavefrontSpan.getTraceId()).setSpanId(wavefrontSpan.getSpanId()).setLogs(span.getLogs().stream().map(x -> {
                Map<String, String> fields = new HashMap<>(x.fields.size());
                x.fields.forEach(t -> {
                    switch(t.vType) {
                        case STRING:
                            fields.put(t.getKey(), t.getVStr());
                            break;
                        case BOOL:
                            fields.put(t.getKey(), String.valueOf(t.isVBool()));
                            break;
                        case LONG:
                            fields.put(t.getKey(), String.valueOf(t.getVLong()));
                            break;
                        case DOUBLE:
                            fields.put(t.getKey(), String.valueOf(t.getVDouble()));
                            break;
                        case BINARY:
                        // ignore
                        default:
                    }
                });
                return SpanLog.newBuilder().setTimestamp(x.timestamp).setFields(fields).build();
            }).collect(Collectors.toList())).build();
            spanLogsHandler.report(spanLogs);
        }
    }
    // report stats irrespective of span sampling.
    if (wfInternalReporter != null) {
        // Set post preprocessor rule values and report converted metrics/histograms from the span
        List<Annotation> processedAnnotations = wavefrontSpan.getAnnotations();
        for (Annotation processedAnnotation : processedAnnotations) {
            switch(processedAnnotation.getKey()) {
                case APPLICATION_TAG_KEY:
                    applicationName = processedAnnotation.getValue();
                    continue;
                case SERVICE_TAG_KEY:
                    serviceName = processedAnnotation.getValue();
                    continue;
                case CLUSTER_TAG_KEY:
                    cluster = processedAnnotation.getValue();
                    continue;
                case SHARD_TAG_KEY:
                    shard = processedAnnotation.getValue();
                    continue;
                case COMPONENT_TAG_KEY:
                    componentTagValue = processedAnnotation.getValue();
                    continue;
                case ERROR_TAG_KEY:
                    isError = processedAnnotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                    continue;
            }
        }
        List<Pair<String, String>> spanTags = processedAnnotations.stream().map(a -> new Pair<>(a.getKey(), a.getValue())).collect(Collectors.toList());
        // TODO: Modify to use new method from wavefront internal reporter.
        discoveredHeartbeatMetrics.add(reportWavefrontGeneratedData(wfInternalReporter, wavefrontSpan.getName(), applicationName, serviceName, cluster, shard, wavefrontSpan.getSource(), componentTagValue, isError, span.getDuration(), traceDerivedCustomTagKeys, spanTags, true));
    }
}

Example 8 with ReportableEntityHandler

use of com.wavefront.agent.handlers.ReportableEntityHandler in project java by wavefrontHQ.

the class LogsIngesterTest method setup.

private void setup(LogsIngestionConfig config) throws IOException, GrokException, ConfigurationException {
    logsIngestionConfig = config;
    // HACK: Never call flush automatically.
    logsIngestionConfig.aggregationIntervalSeconds = 10000;
    logsIngestionConfig.verifyAndInit();
    mockPointHandler = createMock(ReportableEntityHandler.class);
    mockHistogramHandler = createMock(ReportableEntityHandler.class);
    mockFactory = createMock(ReportableEntityHandlerFactory.class);
    expect((ReportableEntityHandler) mockFactory.getHandler(HandlerKey.of(ReportableEntityType.POINT, "logs-ingester"))).andReturn(mockPointHandler).anyTimes();
    expect((ReportableEntityHandler) mockFactory.getHandler(HandlerKey.of(ReportableEntityType.HISTOGRAM, "logs-ingester"))).andReturn(mockHistogramHandler).anyTimes();
    replay(mockFactory);
    logsIngesterUnderTest = new LogsIngester(mockFactory, () -> logsIngestionConfig, null, now::get, nanos::get);
    logsIngesterUnderTest.start();
    filebeatIngesterUnderTest = new FilebeatIngester(logsIngesterUnderTest, now::get);
    rawLogsIngesterUnderTest = new RawLogsIngesterPortUnificationHandler("12345", logsIngesterUnderTest, x -> "testHost", TokenAuthenticatorBuilder.create().build(), new NoopHealthCheckManager(), null);
}

Example 9 with ReportableEntityHandler

use of com.wavefront.agent.handlers.ReportableEntityHandler in project java by wavefrontHQ.

the class PushAgent method startRelayListener.

@VisibleForTesting
protected void startRelayListener(String strPort, ReportableEntityHandlerFactory handlerFactory, SharedGraphiteHostAnnotator hostAnnotator) {
    final int port = Integer.parseInt(strPort);
    registerPrefixFilter(strPort);
    registerTimestampFilter(strPort);
    if (proxyConfig.isHttpHealthCheckAllPorts())
        healthCheckManager.enableHealthcheck(port);
    ReportableEntityHandlerFactory handlerFactoryDelegate = proxyConfig.isPushRelayHistogramAggregator() ? new DelegatingReportableEntityHandlerFactoryImpl(handlerFactory) {

        @Override
        public <T, U> ReportableEntityHandler<T, U> getHandler(HandlerKey handlerKey) {
            if (handlerKey.getEntityType() == ReportableEntityType.HISTOGRAM) {
                ChronicleMap<HistogramKey, AgentDigest> accumulator = ChronicleMap.of(HistogramKey.class, AgentDigest.class).keyMarshaller(HistogramKeyMarshaller.get()).valueMarshaller(AgentDigestMarshaller.get()).entries(proxyConfig.getPushRelayHistogramAggregatorAccumulatorSize()).averageKeySize(proxyConfig.getHistogramDistAvgKeyBytes()).averageValueSize(proxyConfig.getHistogramDistAvgDigestBytes()).maxBloatFactor(1000).create();
                AgentDigestFactory agentDigestFactory = new AgentDigestFactory(() -> (short) Math.min(proxyConfig.getPushRelayHistogramAggregatorCompression(), entityProps.getGlobalProperties().getHistogramStorageAccuracy()), TimeUnit.SECONDS.toMillis(proxyConfig.getPushRelayHistogramAggregatorFlushSecs()), proxyConfig.getTimeProvider());
                AccumulationCache cachedAccumulator = new AccumulationCache(accumulator, agentDigestFactory, 0, "histogram.accumulator.distributionRelay", null);
                // noinspection unchecked
                return (ReportableEntityHandler<T, U>) new HistogramAccumulationHandlerImpl(handlerKey, cachedAccumulator, proxyConfig.getPushBlockedSamples(), null, validationConfiguration, true, rate -> entityProps.get(ReportableEntityType.HISTOGRAM).reportReceivedRate(handlerKey.getHandle(), rate), blockedHistogramsLogger, VALID_HISTOGRAMS_LOGGER);
            }
            return delegate.getHandler(handlerKey);
        }
    } : handlerFactory;
    Map<ReportableEntityType, ReportableEntityDecoder<?, ?>> filteredDecoders = decoderSupplier.get().entrySet().stream().filter(x -> !x.getKey().equals(ReportableEntityType.SOURCE_TAG)).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
    ChannelHandler channelHandler = new RelayPortUnificationHandler(strPort, tokenAuthenticator, healthCheckManager, filteredDecoders, handlerFactoryDelegate, preprocessors.get(strPort), hostAnnotator, () -> entityProps.get(ReportableEntityType.HISTOGRAM).isFeatureDisabled(), () -> entityProps.get(ReportableEntityType.TRACE).isFeatureDisabled(), () -> entityProps.get(ReportableEntityType.TRACE_SPAN_LOGS).isFeatureDisabled());
    startAsManagedThread(port, new TcpIngester(createInitializer(channelHandler, port, proxyConfig.getPushListenerMaxReceivedLength(), proxyConfig.getPushListenerHttpBufferSize(), proxyConfig.getListenerIdleConnectionTimeout(), getSslContext(strPort), getCorsConfig(strPort)), port).withChildChannelOptions(childChannelOptions), "listener-relay-" + port);
}

Example 10 with ReportableEntityHandler

use of com.wavefront.agent.handlers.ReportableEntityHandler in project java by wavefrontHQ.

the class PushAgent method startHistogramListeners.

protected void startHistogramListeners(List<String> ports, ReportableEntityHandler<ReportPoint, String> pointHandler, SharedGraphiteHostAnnotator hostAnnotator, @Nullable Granularity granularity, int flushSecs, boolean memoryCacheEnabled, File baseDirectory, Long accumulatorSize, int avgKeyBytes, int avgDigestBytes, short compression, boolean persist, SpanSampler sampler) throws Exception {
    if (ports.size() == 0)
        return;
    String listenerBinType = HistogramUtils.granularityToString(granularity);
    // Accumulator
    if (persist) {
        // Check directory
        checkArgument(baseDirectory.isDirectory(), baseDirectory.getAbsolutePath() + " must be a directory!");
        checkArgument(baseDirectory.canWrite(), baseDirectory.getAbsolutePath() + " must be write-able!");
    }
    MapLoader<HistogramKey, AgentDigest, HistogramKeyMarshaller, AgentDigestMarshaller> mapLoader = new MapLoader<>(HistogramKey.class, AgentDigest.class, accumulatorSize, avgKeyBytes, avgDigestBytes, HistogramKeyMarshaller.get(), AgentDigestMarshaller.get(), persist);
    File accumulationFile = new File(baseDirectory, "accumulator." + listenerBinType);
    ChronicleMap<HistogramKey, AgentDigest> accumulator = mapLoader.get(accumulationFile);
    histogramExecutor.scheduleWithFixedDelay(() -> {
        // as ChronicleMap starts losing efficiency
        if (accumulator.size() > accumulatorSize * 5) {
            logger.severe("Histogram " + listenerBinType + " accumulator size (" + accumulator.size() + ") is more than 5x higher than currently configured size (" + accumulatorSize + "), which may cause severe performance degradation issues " + "or data loss! If the data volume is expected to stay at this level, we strongly " + "recommend increasing the value for accumulator size in wavefront.conf and " + "restarting the proxy.");
        } else if (accumulator.size() > accumulatorSize * 2) {
            logger.warning("Histogram " + listenerBinType + " accumulator size (" + accumulator.size() + ") is more than 2x higher than currently configured size (" + accumulatorSize + "), which may cause performance issues. If the data volume is " + "expected to stay at this level, we strongly recommend increasing the value " + "for accumulator size in wavefront.conf and restarting the proxy.");
        }
    }, 10, 10, TimeUnit.SECONDS);
    AgentDigestFactory agentDigestFactory = new AgentDigestFactory(() -> (short) Math.min(compression, entityProps.getGlobalProperties().getHistogramStorageAccuracy()), TimeUnit.SECONDS.toMillis(flushSecs), proxyConfig.getTimeProvider());
    Accumulator cachedAccumulator = new AccumulationCache(accumulator, agentDigestFactory, (memoryCacheEnabled ? accumulatorSize : 0), "histogram.accumulator." + HistogramUtils.granularityToString(granularity), null);
    // Schedule write-backs
    histogramExecutor.scheduleWithFixedDelay(cachedAccumulator::flush, proxyConfig.getHistogramAccumulatorResolveInterval(), proxyConfig.getHistogramAccumulatorResolveInterval(), TimeUnit.MILLISECONDS);
    histogramFlushRunnables.add(cachedAccumulator::flush);
    PointHandlerDispatcher dispatcher = new PointHandlerDispatcher(cachedAccumulator, pointHandler, proxyConfig.getTimeProvider(), () -> entityProps.get(ReportableEntityType.HISTOGRAM).isFeatureDisabled(), proxyConfig.getHistogramAccumulatorFlushMaxBatchSize() < 0 ? null : proxyConfig.getHistogramAccumulatorFlushMaxBatchSize(), granularity);
    histogramExecutor.scheduleWithFixedDelay(dispatcher, proxyConfig.getHistogramAccumulatorFlushInterval(), proxyConfig.getHistogramAccumulatorFlushInterval(), TimeUnit.MILLISECONDS);
    histogramFlushRunnables.add(dispatcher);
    // gracefully shutdown persisted accumulator (ChronicleMap) on proxy exit
    shutdownTasks.add(() -> {
        try {
            logger.fine("Flushing in-flight histogram accumulator digests: " + listenerBinType);
            cachedAccumulator.flush();
            logger.fine("Shutting down histogram accumulator cache: " + listenerBinType);
            accumulator.close();
        } catch (Throwable t) {
            logger.log(Level.SEVERE, "Error flushing " + listenerBinType + " accumulator, possibly unclean shutdown: ", t);
        }
    });
    ReportableEntityHandlerFactory histogramHandlerFactory = new ReportableEntityHandlerFactory() {

        private final Map<HandlerKey, ReportableEntityHandler<?, ?>> handlers = new ConcurrentHashMap<>();

        @SuppressWarnings("unchecked")
        @Override
        public <T, U> ReportableEntityHandler<T, U> getHandler(HandlerKey handlerKey) {
            return (ReportableEntityHandler<T, U>) handlers.computeIfAbsent(handlerKey, k -> new HistogramAccumulationHandlerImpl(handlerKey, cachedAccumulator, proxyConfig.getPushBlockedSamples(), granularity, validationConfiguration, granularity == null, null, blockedHistogramsLogger, VALID_HISTOGRAMS_LOGGER));
        }

        @Override
        public void shutdown(@Nonnull String handle) {
            handlers.values().forEach(ReportableEntityHandler::shutdown);
        }
    };
    ports.forEach(strPort -> {
        int port = Integer.parseInt(strPort);
        registerPrefixFilter(strPort);
        registerTimestampFilter(strPort);
        if (proxyConfig.isHttpHealthCheckAllPorts()) {
            healthCheckManager.enableHealthcheck(port);
        }
        WavefrontPortUnificationHandler wavefrontPortUnificationHandler = new WavefrontPortUnificationHandler(strPort, tokenAuthenticator, healthCheckManager, decoderSupplier.get(), histogramHandlerFactory, hostAnnotator, preprocessors.get(strPort), () -> entityProps.get(ReportableEntityType.HISTOGRAM).isFeatureDisabled(), () -> entityProps.get(ReportableEntityType.TRACE).isFeatureDisabled(), () -> entityProps.get(ReportableEntityType.TRACE_SPAN_LOGS).isFeatureDisabled(), sampler);
        startAsManagedThread(port, new TcpIngester(createInitializer(wavefrontPortUnificationHandler, port, proxyConfig.getHistogramMaxReceivedLength(), proxyConfig.getHistogramHttpBufferSize(), proxyConfig.getListenerIdleConnectionTimeout(), getSslContext(strPort), getCorsConfig(strPort)), port).withChildChannelOptions(childChannelOptions), "listener-histogram-" + port);
        logger.info("listening on port: " + port + " for histogram samples, accumulating to the " + listenerBinType);
    });
}