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Example 1 with Sampler

use of com.wavefront.sdk.entities.tracing.sampling.Sampler in project java by wavefrontHQ.

the class PushAgent method startListeners.

@Override
protected void startListeners() throws Exception {
    blockedPointsLogger = Logger.getLogger(proxyConfig.getBlockedPointsLoggerName());
    blockedHistogramsLogger = Logger.getLogger(proxyConfig.getBlockedHistogramsLoggerName());
    blockedSpansLogger = Logger.getLogger(proxyConfig.getBlockedSpansLoggerName());
    if (proxyConfig.getSoLingerTime() >= 0) {
        childChannelOptions.put(ChannelOption.SO_LINGER, proxyConfig.getSoLingerTime());
    }
    hostnameResolver = new CachingHostnameLookupResolver(proxyConfig.isDisableRdnsLookup(), ExpectedAgentMetric.RDNS_CACHE_SIZE.metricName);
    if (proxyConfig.isSqsQueueBuffer()) {
        taskQueueFactory = new SQSQueueFactoryImpl(proxyConfig.getSqsQueueNameTemplate(), proxyConfig.getSqsQueueRegion(), proxyConfig.getSqsQueueIdentifier(), proxyConfig.isPurgeBuffer());
    } else {
        taskQueueFactory = new TaskQueueFactoryImpl(proxyConfig.getBufferFile(), proxyConfig.isPurgeBuffer(), proxyConfig.isDisableBufferSharding(), proxyConfig.getBufferShardSize());
    }
    remoteHostAnnotator = new SharedGraphiteHostAnnotator(proxyConfig.getCustomSourceTags(), hostnameResolver);
    queueingFactory = new QueueingFactoryImpl(apiContainer, agentId, taskQueueFactory, entityProps);
    senderTaskFactory = new SenderTaskFactoryImpl(apiContainer, agentId, taskQueueFactory, queueingFactory, entityProps);
    if (proxyConfig.isHistogramPassthroughRecompression()) {
        histogramRecompressor = new HistogramRecompressor(() -> entityProps.getGlobalProperties().getHistogramStorageAccuracy());
    }
    handlerFactory = new ReportableEntityHandlerFactoryImpl(senderTaskFactory, proxyConfig.getPushBlockedSamples(), validationConfiguration, blockedPointsLogger, blockedHistogramsLogger, blockedSpansLogger, histogramRecompressor, entityProps);
    if (proxyConfig.isTrafficShaping()) {
        new TrafficShapingRateLimitAdjuster(entityProps, proxyConfig.getTrafficShapingWindowSeconds(), proxyConfig.getTrafficShapingHeadroom()).start();
    }
    healthCheckManager = new HealthCheckManagerImpl(proxyConfig);
    tokenAuthenticator = configureTokenAuthenticator();
    shutdownTasks.add(() -> senderTaskFactory.shutdown());
    shutdownTasks.add(() -> senderTaskFactory.drainBuffersToQueue(null));
    // sampler for spans
    rateSampler.setSamplingRate(entityProps.getGlobalProperties().getTraceSamplingRate());
    Sampler durationSampler = SpanSamplerUtils.getDurationSampler(proxyConfig.getTraceSamplingDuration());
    List<Sampler> samplers = SpanSamplerUtils.fromSamplers(rateSampler, durationSampler);
    SpanSampler spanSampler = new SpanSampler(new CompositeSampler(samplers), () -> entityProps.getGlobalProperties().getActiveSpanSamplingPolicies());
    if (proxyConfig.getAdminApiListenerPort() > 0) {
        startAdminListener(proxyConfig.getAdminApiListenerPort());
    }
    csvToList(proxyConfig.getHttpHealthCheckPorts()).forEach(strPort -> startHealthCheckListener(Integer.parseInt(strPort)));
    csvToList(proxyConfig.getPushListenerPorts()).forEach(strPort -> {
        startGraphiteListener(strPort, handlerFactory, remoteHostAnnotator, spanSampler);
        logger.info("listening on port: " + strPort + " for Wavefront metrics");
    });
    csvToList(proxyConfig.getDeltaCountersAggregationListenerPorts()).forEach(strPort -> {
        startDeltaCounterListener(strPort, remoteHostAnnotator, senderTaskFactory, spanSampler);
        logger.info("listening on port: " + strPort + " for Wavefront delta counter metrics");
    });
    {
        // Histogram bootstrap.
        List<String> histMinPorts = csvToList(proxyConfig.getHistogramMinuteListenerPorts());
        List<String> histHourPorts = csvToList(proxyConfig.getHistogramHourListenerPorts());
        List<String> histDayPorts = csvToList(proxyConfig.getHistogramDayListenerPorts());
        List<String> histDistPorts = csvToList(proxyConfig.getHistogramDistListenerPorts());
        int activeHistogramAggregationTypes = (histDayPorts.size() > 0 ? 1 : 0) + (histHourPorts.size() > 0 ? 1 : 0) + (histMinPorts.size() > 0 ? 1 : 0) + (histDistPorts.size() > 0 ? 1 : 0);
        if (activeHistogramAggregationTypes > 0) {
            /*Histograms enabled*/
            histogramExecutor = Executors.newScheduledThreadPool(1 + activeHistogramAggregationTypes, new NamedThreadFactory("histogram-service"));
            histogramFlushExecutor = Executors.newScheduledThreadPool(Runtime.getRuntime().availableProcessors() / 2, new NamedThreadFactory("histogram-flush"));
            managedExecutors.add(histogramExecutor);
            managedExecutors.add(histogramFlushExecutor);
            File baseDirectory = new File(proxyConfig.getHistogramStateDirectory());
            // Central dispatch
            ReportableEntityHandler<ReportPoint, String> pointHandler = handlerFactory.getHandler(HandlerKey.of(ReportableEntityType.HISTOGRAM, "histogram_ports"));
            startHistogramListeners(histMinPorts, pointHandler, remoteHostAnnotator, Granularity.MINUTE, proxyConfig.getHistogramMinuteFlushSecs(), proxyConfig.isHistogramMinuteMemoryCache(), baseDirectory, proxyConfig.getHistogramMinuteAccumulatorSize(), proxyConfig.getHistogramMinuteAvgKeyBytes(), proxyConfig.getHistogramMinuteAvgDigestBytes(), proxyConfig.getHistogramMinuteCompression(), proxyConfig.isHistogramMinuteAccumulatorPersisted(), spanSampler);
            startHistogramListeners(histHourPorts, pointHandler, remoteHostAnnotator, Granularity.HOUR, proxyConfig.getHistogramHourFlushSecs(), proxyConfig.isHistogramHourMemoryCache(), baseDirectory, proxyConfig.getHistogramHourAccumulatorSize(), proxyConfig.getHistogramHourAvgKeyBytes(), proxyConfig.getHistogramHourAvgDigestBytes(), proxyConfig.getHistogramHourCompression(), proxyConfig.isHistogramHourAccumulatorPersisted(), spanSampler);
            startHistogramListeners(histDayPorts, pointHandler, remoteHostAnnotator, Granularity.DAY, proxyConfig.getHistogramDayFlushSecs(), proxyConfig.isHistogramDayMemoryCache(), baseDirectory, proxyConfig.getHistogramDayAccumulatorSize(), proxyConfig.getHistogramDayAvgKeyBytes(), proxyConfig.getHistogramDayAvgDigestBytes(), proxyConfig.getHistogramDayCompression(), proxyConfig.isHistogramDayAccumulatorPersisted(), spanSampler);
            startHistogramListeners(histDistPorts, pointHandler, remoteHostAnnotator, null, proxyConfig.getHistogramDistFlushSecs(), proxyConfig.isHistogramDistMemoryCache(), baseDirectory, proxyConfig.getHistogramDistAccumulatorSize(), proxyConfig.getHistogramDistAvgKeyBytes(), proxyConfig.getHistogramDistAvgDigestBytes(), proxyConfig.getHistogramDistCompression(), proxyConfig.isHistogramDistAccumulatorPersisted(), spanSampler);
        }
    }
    if (StringUtils.isNotBlank(proxyConfig.getGraphitePorts()) || StringUtils.isNotBlank(proxyConfig.getPicklePorts())) {
        if (tokenAuthenticator.authRequired()) {
            logger.warning("Graphite mode is not compatible with HTTP authentication, ignoring");
        } else {
            Preconditions.checkNotNull(proxyConfig.getGraphiteFormat(), "graphiteFormat must be supplied to enable graphite support");
            Preconditions.checkNotNull(proxyConfig.getGraphiteDelimiters(), "graphiteDelimiters must be supplied to enable graphite support");
            GraphiteFormatter graphiteFormatter = new GraphiteFormatter(proxyConfig.getGraphiteFormat(), proxyConfig.getGraphiteDelimiters(), proxyConfig.getGraphiteFieldsToRemove());
            csvToList(proxyConfig.getGraphitePorts()).forEach(strPort -> {
                preprocessors.getSystemPreprocessor(strPort).forPointLine().addTransformer(0, graphiteFormatter);
                startGraphiteListener(strPort, handlerFactory, null, spanSampler);
                logger.info("listening on port: " + strPort + " for graphite metrics");
            });
            csvToList(proxyConfig.getPicklePorts()).forEach(strPort -> startPickleListener(strPort, handlerFactory, graphiteFormatter));
        }
    }
    csvToList(proxyConfig.getOpentsdbPorts()).forEach(strPort -> startOpenTsdbListener(strPort, handlerFactory));
    if (proxyConfig.getDataDogJsonPorts() != null) {
        HttpClient httpClient = HttpClientBuilder.create().useSystemProperties().setUserAgent(proxyConfig.getHttpUserAgent()).setConnectionTimeToLive(1, TimeUnit.MINUTES).setMaxConnPerRoute(100).setMaxConnTotal(100).setRetryHandler(new DefaultHttpRequestRetryHandler(proxyConfig.getHttpAutoRetries(), true)).setDefaultRequestConfig(RequestConfig.custom().setContentCompressionEnabled(true).setRedirectsEnabled(true).setConnectTimeout(proxyConfig.getHttpConnectTimeout()).setConnectionRequestTimeout(proxyConfig.getHttpConnectTimeout()).setSocketTimeout(proxyConfig.getHttpRequestTimeout()).build()).build();
        csvToList(proxyConfig.getDataDogJsonPorts()).forEach(strPort -> startDataDogListener(strPort, handlerFactory, httpClient));
    }
    csvToList(proxyConfig.getTraceListenerPorts()).forEach(strPort -> startTraceListener(strPort, handlerFactory, spanSampler));
    csvToList(proxyConfig.getCustomTracingListenerPorts()).forEach(strPort -> startCustomTracingListener(strPort, handlerFactory, new InternalProxyWavefrontClient(handlerFactory, strPort), spanSampler));
    csvToList(proxyConfig.getTraceJaegerListenerPorts()).forEach(strPort -> {
        PreprocessorRuleMetrics ruleMetrics = new PreprocessorRuleMetrics(Metrics.newCounter(new TaggedMetricName("point.spanSanitize", "count", "port", strPort)), null, null);
        preprocessors.getSystemPreprocessor(strPort).forSpan().addTransformer(new SpanSanitizeTransformer(ruleMetrics));
        startTraceJaegerListener(strPort, handlerFactory, new InternalProxyWavefrontClient(handlerFactory, strPort), spanSampler);
    });
    csvToList(proxyConfig.getTraceJaegerGrpcListenerPorts()).forEach(strPort -> {
        PreprocessorRuleMetrics ruleMetrics = new PreprocessorRuleMetrics(Metrics.newCounter(new TaggedMetricName("point.spanSanitize", "count", "port", strPort)), null, null);
        preprocessors.getSystemPreprocessor(strPort).forSpan().addTransformer(new SpanSanitizeTransformer(ruleMetrics));
        startTraceJaegerGrpcListener(strPort, handlerFactory, new InternalProxyWavefrontClient(handlerFactory, strPort), spanSampler);
    });
    csvToList(proxyConfig.getTraceJaegerHttpListenerPorts()).forEach(strPort -> {
        PreprocessorRuleMetrics ruleMetrics = new PreprocessorRuleMetrics(Metrics.newCounter(new TaggedMetricName("point.spanSanitize", "count", "port", strPort)), null, null);
        preprocessors.getSystemPreprocessor(strPort).forSpan().addTransformer(new SpanSanitizeTransformer(ruleMetrics));
        startTraceJaegerHttpListener(strPort, handlerFactory, new InternalProxyWavefrontClient(handlerFactory, strPort), spanSampler);
    });
    csvToList(proxyConfig.getTraceZipkinListenerPorts()).forEach(strPort -> {
        PreprocessorRuleMetrics ruleMetrics = new PreprocessorRuleMetrics(Metrics.newCounter(new TaggedMetricName("point.spanSanitize", "count", "port", strPort)), null, null);
        preprocessors.getSystemPreprocessor(strPort).forSpan().addTransformer(new SpanSanitizeTransformer(ruleMetrics));
        startTraceZipkinListener(strPort, handlerFactory, new InternalProxyWavefrontClient(handlerFactory, strPort), spanSampler);
    });
    csvToList(proxyConfig.getPushRelayListenerPorts()).forEach(strPort -> startRelayListener(strPort, handlerFactory, remoteHostAnnotator));
    csvToList(proxyConfig.getJsonListenerPorts()).forEach(strPort -> startJsonListener(strPort, handlerFactory));
    csvToList(proxyConfig.getWriteHttpJsonListenerPorts()).forEach(strPort -> startWriteHttpJsonListener(strPort, handlerFactory));
    // Logs ingestion.
    if (proxyConfig.getFilebeatPort() > 0 || proxyConfig.getRawLogsPort() > 0) {
        if (loadLogsIngestionConfig() != null) {
            logger.info("Initializing logs ingestion");
            try {
                final LogsIngester logsIngester = new LogsIngester(handlerFactory, this::loadLogsIngestionConfig, proxyConfig.getPrefix());
                logsIngester.start();
                if (proxyConfig.getFilebeatPort() > 0) {
                    startLogsIngestionListener(proxyConfig.getFilebeatPort(), logsIngester);
                }
                if (proxyConfig.getRawLogsPort() > 0) {
                    startRawLogsIngestionListener(proxyConfig.getRawLogsPort(), logsIngester);
                }
            } catch (ConfigurationException e) {
                logger.log(Level.SEVERE, "Cannot start logsIngestion", e);
            }
        } else {
            logger.warning("Cannot start logsIngestion: invalid configuration or no config specified");
        }
    }
    setupMemoryGuard();
}
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Example 2 with Sampler

use of com.wavefront.sdk.entities.tracing.sampling.Sampler in project java by wavefrontHQ.

the class PushAgent method startDeltaCounterListener.

@VisibleForTesting
protected void startDeltaCounterListener(String strPort, SharedGraphiteHostAnnotator hostAnnotator, SenderTaskFactory senderTaskFactory, SpanSampler sampler) {
    final int port = Integer.parseInt(strPort);
    registerPrefixFilter(strPort);
    registerTimestampFilter(strPort);
    if (proxyConfig.isHttpHealthCheckAllPorts())
        healthCheckManager.enableHealthcheck(port);
    if (this.deltaCounterHandlerFactory == null) {
        this.deltaCounterHandlerFactory = new ReportableEntityHandlerFactory() {

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

            @Override
            public <T, U> ReportableEntityHandler<T, U> getHandler(HandlerKey handlerKey) {
                // noinspection unchecked
                return (ReportableEntityHandler<T, U>) handlers.computeIfAbsent(handlerKey.getHandle(), k -> new DeltaCounterAccumulationHandlerImpl(handlerKey, proxyConfig.getPushBlockedSamples(), senderTaskFactory.createSenderTasks(handlerKey), validationConfiguration, proxyConfig.getDeltaCountersAggregationIntervalSeconds(), rate -> entityProps.get(ReportableEntityType.POINT).reportReceivedRate(handlerKey.getHandle(), rate), blockedPointsLogger, VALID_POINTS_LOGGER));
            }

            @Override
            public void shutdown(@Nonnull String handle) {
                if (handlers.containsKey(handle)) {
                    handlers.values().forEach(ReportableEntityHandler::shutdown);
                }
            }
        };
    }
    shutdownTasks.add(() -> deltaCounterHandlerFactory.shutdown(strPort));
    WavefrontPortUnificationHandler wavefrontPortUnificationHandler = new WavefrontPortUnificationHandler(strPort, tokenAuthenticator, healthCheckManager, decoderSupplier.get(), deltaCounterHandlerFactory, hostAnnotator, preprocessors.get(strPort), () -> false, () -> false, () -> false, sampler);
    startAsManagedThread(port, new TcpIngester(createInitializer(wavefrontPortUnificationHandler, port, proxyConfig.getPushListenerMaxReceivedLength(), proxyConfig.getPushListenerHttpBufferSize(), proxyConfig.getListenerIdleConnectionTimeout(), getSslContext(strPort), getCorsConfig(strPort)), port).withChildChannelOptions(childChannelOptions), "listener-deltaCounter-" + port);
}
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Example 3 with Sampler

use of com.wavefront.sdk.entities.tracing.sampling.Sampler 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);
    });
}
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Aggregations

ImmutableList (com.google.common.collect.ImmutableList)3 CachingHostnameLookupResolver (com.wavefront.agent.channel.CachingHostnameLookupResolver)3 HealthCheckManagerImpl (com.wavefront.agent.channel.HealthCheckManagerImpl)3 SharedGraphiteHostAnnotator (com.wavefront.agent.channel.SharedGraphiteHostAnnotator)3 ConfigurationException (com.wavefront.agent.config.ConfigurationException)3 GraphiteFormatter (com.wavefront.agent.formatter.GraphiteFormatter)3 DelegatingReportableEntityHandlerFactoryImpl (com.wavefront.agent.handlers.DelegatingReportableEntityHandlerFactoryImpl)3 InternalProxyWavefrontClient (com.wavefront.agent.handlers.InternalProxyWavefrontClient)3 ReportableEntityHandler (com.wavefront.agent.handlers.ReportableEntityHandler)3 ReportableEntityHandlerFactoryImpl (com.wavefront.agent.handlers.ReportableEntityHandlerFactoryImpl)3 SenderTaskFactoryImpl (com.wavefront.agent.handlers.SenderTaskFactoryImpl)3 TrafficShapingRateLimitAdjuster (com.wavefront.agent.handlers.TrafficShapingRateLimitAdjuster)3 HistogramRecompressor (com.wavefront.agent.histogram.HistogramRecompressor)3 VisibleForTesting (com.google.common.annotations.VisibleForTesting)2 Preconditions (com.google.common.base.Preconditions)2 Preconditions.checkArgument (com.google.common.base.Preconditions.checkArgument)2 ImmutableMap (com.google.common.collect.ImmutableMap)2 RecyclableRateLimiter (com.google.common.util.concurrent.RecyclableRateLimiter)2 AgentDigest (com.tdunning.math.stats.AgentDigest)2 AgentDigestMarshaller (com.tdunning.math.stats.AgentDigest.AgentDigestMarshaller)2