List of usage examples for com.google.common.util.concurrent RateLimiter create
public static RateLimiter create(double permitsPerSecond)
From source file:com.trulia.stail.Stail.java
public static void main(String[] args) { final Stail stail = new Stail(); JCommander jct = new JCommander(stail); jct.setProgramName("stail"); try {/*from w w w . j a v a 2 s . c o m*/ jct.parse(args); AWSCredentialsProvider credentialsProvider = new DefaultAWSCredentialsProviderChain(); if (stail.profile != null) { credentialsProvider = new ProfileCredentialsProvider(stail.profile); } if (stail.role != null) { credentialsProvider = new STSAssumeRoleSessionCredentialsProvider.Builder(stail.role, "stail") .withStsClient(AWSSecurityTokenServiceClientBuilder.standard() .withCredentials(credentialsProvider).build()) .build(); } AmazonKinesis client = AmazonKinesisClientBuilder.standard().withRegion(stail.region) .withCredentials(credentialsProvider).build(); // prepare the initial shard iterators at the LATEST position Map<Shard, String> shardIterators = getShardIterators(client, stail.stream, stail.start); IRecordProcessor processor = stail.json ? new JSONRecordProcessor() : new RawRecordProcessor(); Map<Shard, RateLimiter> rateLimiters = new HashMap<>(); shardIterators.keySet() .forEach(shard -> rateLimiters.put(shard, RateLimiter.create(MAX_SHARD_THROUGHPUT))); long end = Strings.isNullOrEmpty(stail.duration) ? Long.MAX_VALUE : System.currentTimeMillis() + Duration.parse(stail.duration).toMillis(); Set<String> reshardedShards = new HashSet<>(); Map<Shard, String> sequenceNumbers = new HashMap<>(); while (System.currentTimeMillis() < end) { if (!reshardedShards.isEmpty()) { // get the new list of shards List<Shard> shards = getShards(client, stail.stream); for (Shard shard : shards) { if (!Strings.isNullOrEmpty(shard.getParentShardId()) && reshardedShards.contains(shard.getParentShardId())) { // the old shard was split, so we need to consume this new shard from the beginning shardIterators.put(shard, getOldestShardIterator(client, stail.stream, shard)); } else if (!Strings.isNullOrEmpty(shard.getAdjacentParentShardId()) && reshardedShards.contains(shard.getAdjacentParentShardId())) { // the old shards were merged into a new shard shardIterators.put(shard, getOldestShardIterator(client, stail.stream, shard)); } } reshardedShards.clear(); } for (Shard shard : Lists.newArrayList(shardIterators.keySet())) { String shardIterator = shardIterators.remove(shard); GetRecordsRequest getRecordsRequest = new GetRecordsRequest(); getRecordsRequest.setShardIterator(shardIterator); getRecordsRequest.setLimit(BATCH_SIZE); try { GetRecordsResult getRecordsResult = client.getRecords(getRecordsRequest); List<Record> records = getRecordsResult.getRecords(); processor.processRecords(records, null); shardIterator = getRecordsResult.getNextShardIterator(); if (records.size() <= 0) { // nothing on the stream yet, so lets wait a bit to see if something appears TimeUnit.SECONDS.sleep(1); } else { int bytesRead = records.stream().map(record -> record.getData().position()) .reduce((_1, _2) -> _1 + _2).get(); sequenceNumbers.put(shard, records.get(records.size() - 1).getSequenceNumber()); // optionally sleep if we have hit the limit for this shard rateLimiters.get(shard).acquire(bytesRead); } if (!Strings.isNullOrEmpty(shardIterator)) { shardIterators.put(shard, shardIterator); } else { reshardedShards.add(shard.getShardId()); } } catch (ProvisionedThroughputExceededException e) { logger.warn("tripped the max throughput. Backing off: {}", e.getMessage()); TimeUnit.SECONDS.sleep(6); // we tripped the max throughput. Back off // add the original iterator back into the map so we can try it again shardIterators.put(shard, shardIterator); } catch (ExpiredIteratorException e) { logger.debug("Iterator expired", e); String sequenceNumber = sequenceNumbers.get(shard); if (sequenceNumber == null) { logger.warn("No previously known sequence number for {}. Moving to LATEST", shard.getShardId()); shardIterators.put(shard, getShardIterator(client, stail.stream, shard, null)); } else { shardIterators.put(shard, getShardIteratorAtSequenceNumber(client, stail.stream, shard, sequenceNumber)); } } } } } catch (ParameterException e) { jct.usage(); System.exit(1); } catch (InterruptedException e) { Thread.currentThread().interrupt(); System.exit(2); } }
From source file:co.paralleluniverse.photon.Photon.java
public static void main(final String[] args) throws InterruptedException, IOException { final Options options = new Options(); options.addOption("rate", true, "Requests per second (default " + rateDefault + ")"); options.addOption("duration", true, "Minimum test duration in seconds: will wait for <duration> * <rate> requests to terminate or, if progress check enabled, no progress after <duration> (default " + durationDefault + ")"); options.addOption("maxconnections", true, "Maximum number of open connections (default " + maxConnectionsDefault + ")"); options.addOption("timeout", true, "Connection and read timeout in millis (default " + timeoutDefault + ")"); options.addOption("print", true, "Print cycle in millis, 0 to disable intermediate statistics (default " + printCycleDefault + ")"); options.addOption("check", true, "Progress check cycle in millis, 0 to disable progress check (default " + checkCycleDefault + ")"); options.addOption("stats", false, "Print full statistics when finish (default false)"); options.addOption("minmax", false, "Print min/mean/stddev/max stats when finish (default false)"); options.addOption("name", true, "Test name to print in the statistics (default '" + testNameDefault + "')"); options.addOption("help", false, "Print help"); try {/* w ww. java2 s.c om*/ final CommandLine cmd = new BasicParser().parse(options, args); final String[] ar = cmd.getArgs(); if (cmd.hasOption("help") || ar.length != 1) printUsageAndExit(options); final String url = ar[0]; final int timeout = Integer.parseInt(cmd.getOptionValue("timeout", timeoutDefault)); final int maxConnections = Integer .parseInt(cmd.getOptionValue("maxconnections", maxConnectionsDefault)); final int duration = Integer.parseInt(cmd.getOptionValue("duration", durationDefault)); final int printCycle = Integer.parseInt(cmd.getOptionValue("print", printCycleDefault)); final int checkCycle = Integer.parseInt(cmd.getOptionValue("check", checkCycleDefault)); final String testName = cmd.getOptionValue("name", testNameDefault); final int rate = Integer.parseInt(cmd.getOptionValue("rate", rateDefault)); final MetricRegistry metrics = new MetricRegistry(); final Meter requestMeter = metrics.meter("request"); final Meter responseMeter = metrics.meter("response"); final Meter errorsMeter = metrics.meter("errors"); final Logger log = LoggerFactory.getLogger(Photon.class); final ConcurrentHashMap<String, AtomicInteger> errors = new ConcurrentHashMap<>(); final HttpGet request = new HttpGet(url); final StripedTimeSeries<Long> sts = new StripedTimeSeries<>(30000, false); final StripedHistogram sh = new StripedHistogram(60000, 5); log.info("name: " + testName + " url:" + url + " rate:" + rate + " duration:" + duration + " maxconnections:" + maxConnections + ", " + "timeout:" + timeout); final DefaultConnectingIOReactor ioreactor = new DefaultConnectingIOReactor(IOReactorConfig.custom() .setConnectTimeout(timeout).setIoThreadCount(10).setSoTimeout(timeout).build()); Runtime.getRuntime().addShutdownHook(new Thread(() -> { final List<ExceptionEvent> events = ioreactor.getAuditLog(); if (events != null) events.stream().filter(event -> event != null).forEach(event -> { System.err.println( "Apache Async HTTP Client I/O Reactor Error Time: " + event.getTimestamp()); //noinspection ThrowableResultOfMethodCallIgnored if (event.getCause() != null) //noinspection ThrowableResultOfMethodCallIgnored event.getCause().printStackTrace(); }); if (cmd.hasOption("stats")) printFinishStatistics(errorsMeter, sts, sh, testName); if (!errors.keySet().isEmpty()) errors.entrySet().stream() .forEach(p -> log.info(testName + " " + p.getKey() + " " + p.getValue() + "ms")); System.out.println( testName + " responseTime(90%): " + sh.getHistogramData().getValueAtPercentile(90) + "ms"); if (cmd.hasOption("minmax")) { final HistogramData hd = sh.getHistogramData(); System.out.format("%s %8s%8s%8s%8s\n", testName, "min", "mean", "sd", "max"); System.out.format("%s %8d%8.2f%8.2f%8d\n", testName, hd.getMinValue(), hd.getMean(), hd.getStdDeviation(), hd.getMaxValue()); } })); final PoolingNHttpClientConnectionManager mngr = new PoolingNHttpClientConnectionManager(ioreactor); mngr.setDefaultMaxPerRoute(maxConnections); mngr.setMaxTotal(maxConnections); final CloseableHttpAsyncClient ahc = HttpAsyncClientBuilder.create().setConnectionManager(mngr) .setDefaultRequestConfig(RequestConfig.custom().setLocalAddress(null).build()).build(); try (final CloseableHttpClient client = new FiberHttpClient(ahc)) { final int num = duration * rate; final CountDownLatch cdl = new CountDownLatch(num); final Semaphore sem = new Semaphore(maxConnections); final RateLimiter rl = RateLimiter.create(rate); spawnStatisticsThread(printCycle, cdl, log, requestMeter, responseMeter, errorsMeter, testName); for (int i = 0; i < num; i++) { rl.acquire(); if (sem.availablePermits() == 0) log.debug("Maximum connections count reached, waiting..."); sem.acquireUninterruptibly(); new Fiber<Void>(() -> { requestMeter.mark(); final long start = System.nanoTime(); try { try (final CloseableHttpResponse ignored = client.execute(request)) { responseMeter.mark(); } catch (final Throwable t) { markError(errorsMeter, errors, t); } } catch (final Throwable t) { markError(errorsMeter, errors, t); } finally { final long now = System.nanoTime(); final long millis = TimeUnit.NANOSECONDS.toMillis(now - start); sts.record(start, millis); sh.recordValue(millis); sem.release(); cdl.countDown(); } }).start(); } spawnProgressCheckThread(log, duration, checkCycle, cdl); cdl.await(); } } catch (final ParseException ex) { System.err.println("Parsing failed. Reason: " + ex.getMessage()); } }
From source file:org.apache.pulsar.testclient.ManagedLedgerWriter.java
public static void main(String[] args) throws Exception { final Arguments arguments = new Arguments(); JCommander jc = new JCommander(arguments); jc.setProgramName("pulsar-perf-producer"); try {/*ww w. j a v a 2 s . c om*/ jc.parse(args); } catch (ParameterException e) { System.out.println(e.getMessage()); jc.usage(); System.exit(-1); } if (arguments.help) { jc.usage(); System.exit(-1); } arguments.testTime = TimeUnit.SECONDS.toMillis(arguments.testTime); // Dump config variables ObjectMapper m = new ObjectMapper(); ObjectWriter w = m.writerWithDefaultPrettyPrinter(); log.info("Starting Pulsar managed-ledger perf writer with config: {}", w.writeValueAsString(arguments)); byte[] payloadData = new byte[arguments.msgSize]; ByteBuf payloadBuffer = PooledByteBufAllocator.DEFAULT.directBuffer(arguments.msgSize); payloadBuffer.writerIndex(arguments.msgSize); // Now processing command line arguments String managedLedgerPrefix = "test-" + DigestUtils.sha1Hex(UUID.randomUUID().toString()).substring(0, 5); ClientConfiguration bkConf = new ClientConfiguration(); bkConf.setUseV2WireProtocol(true); bkConf.setAddEntryTimeout(30); bkConf.setReadEntryTimeout(30); bkConf.setThrottleValue(0); bkConf.setNumChannelsPerBookie(arguments.maxConnections); bkConf.setZkServers(arguments.zookeeperServers); ManagedLedgerFactoryConfig mlFactoryConf = new ManagedLedgerFactoryConfig(); mlFactoryConf.setMaxCacheSize(0); ManagedLedgerFactory factory = new ManagedLedgerFactoryImpl(bkConf, mlFactoryConf); ManagedLedgerConfig mlConf = new ManagedLedgerConfig(); mlConf.setEnsembleSize(arguments.ensembleSize); mlConf.setWriteQuorumSize(arguments.writeQuorum); mlConf.setAckQuorumSize(arguments.ackQuorum); mlConf.setMinimumRolloverTime(10, TimeUnit.MINUTES); mlConf.setMetadataEnsembleSize(arguments.ensembleSize); mlConf.setMetadataWriteQuorumSize(arguments.writeQuorum); mlConf.setMetadataAckQuorumSize(arguments.ackQuorum); mlConf.setDigestType(arguments.digestType); mlConf.setMaxSizePerLedgerMb(2048); List<CompletableFuture<ManagedLedger>> futures = new ArrayList<>(); for (int i = 0; i < arguments.numManagedLedgers; i++) { String name = String.format("%s-%03d", managedLedgerPrefix, i); CompletableFuture<ManagedLedger> future = new CompletableFuture<>(); futures.add(future); factory.asyncOpen(name, mlConf, new OpenLedgerCallback() { @Override public void openLedgerComplete(ManagedLedger ledger, Object ctx) { future.complete(ledger); } @Override public void openLedgerFailed(ManagedLedgerException exception, Object ctx) { future.completeExceptionally(exception); } }, null); } List<ManagedLedger> managedLedgers = futures.stream().map(CompletableFuture::join) .collect(Collectors.toList()); log.info("Created {} managed ledgers", managedLedgers.size()); Runtime.getRuntime().addShutdownHook(new Thread() { public void run() { printAggregatedStats(); } }); Collections.shuffle(managedLedgers); AtomicBoolean isDone = new AtomicBoolean(); List<List<ManagedLedger>> managedLedgersPerThread = Lists.partition(managedLedgers, Math.max(1, managedLedgers.size() / arguments.numThreads)); for (int i = 0; i < arguments.numThreads; i++) { List<ManagedLedger> managedLedgersForThisThread = managedLedgersPerThread.get(i); int nunManagedLedgersForThisThread = managedLedgersForThisThread.size(); long numMessagesForThisThread = arguments.numMessages / arguments.numThreads; int maxOutstandingForThisThread = arguments.maxOutstanding; executor.submit(() -> { try { final double msgRate = arguments.msgRate / (double) arguments.numThreads; final RateLimiter rateLimiter = RateLimiter.create(msgRate); // Acquire 1 sec worth of messages to have a slower ramp-up rateLimiter.acquire((int) msgRate); final long startTime = System.currentTimeMillis(); final Semaphore semaphore = new Semaphore(maxOutstandingForThisThread); final AddEntryCallback addEntryCallback = new AddEntryCallback() { @Override public void addComplete(Position position, Object ctx) { long sendTime = (Long) (ctx); messagesSent.increment(); bytesSent.add(payloadData.length); long latencyMicros = NANOSECONDS.toMicros(System.nanoTime() - sendTime); recorder.recordValue(latencyMicros); cumulativeRecorder.recordValue(latencyMicros); semaphore.release(); } @Override public void addFailed(ManagedLedgerException exception, Object ctx) { log.warn("Write error on message", exception); System.exit(-1); } }; // Send messages on all topics/producers long totalSent = 0; while (true) { for (int j = 0; j < nunManagedLedgersForThisThread; j++) { if (arguments.testTime > 0) { if (System.currentTimeMillis() - startTime > arguments.testTime) { log.info("------------------- DONE -----------------------"); printAggregatedStats(); isDone.set(true); Thread.sleep(5000); System.exit(0); } } if (numMessagesForThisThread > 0) { if (totalSent++ >= numMessagesForThisThread) { log.info("------------------- DONE -----------------------"); printAggregatedStats(); isDone.set(true); Thread.sleep(5000); System.exit(0); } } semaphore.acquire(); rateLimiter.acquire(); final long sendTime = System.nanoTime(); managedLedgersForThisThread.get(j).asyncAddEntry(payloadBuffer, addEntryCallback, sendTime); } } } catch (Throwable t) { log.error("Got error", t); } }); } // Print report stats long oldTime = System.nanoTime(); Histogram reportHistogram = null; while (true) { try { Thread.sleep(10000); } catch (InterruptedException e) { break; } if (isDone.get()) { break; } long now = System.nanoTime(); double elapsed = (now - oldTime) / 1e9; double rate = messagesSent.sumThenReset() / elapsed; double throughput = bytesSent.sumThenReset() / elapsed / 1024 / 1024 * 8; reportHistogram = recorder.getIntervalHistogram(reportHistogram); log.info( "Throughput produced: {} msg/s --- {} Mbit/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}", throughputFormat.format(rate), throughputFormat.format(throughput), dec.format(reportHistogram.getMean() / 1000.0), dec.format(reportHistogram.getValueAtPercentile(50) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(95) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.9) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.99) / 1000.0), dec.format(reportHistogram.getMaxValue() / 1000.0)); reportHistogram.reset(); oldTime = now; } factory.shutdown(); }
From source file:com.android.tools.idea.diagnostics.crash.UploadRateLimiter.java
static UploadRateLimiter create(double qps) { return new UploadRateLimiter() { private final RateLimiter myRateLimiter = RateLimiter.create(qps); @Override// w w w. ja v a 2 s.com public boolean tryAcquire() { return myRateLimiter.tryAcquire(); } }; }
From source file:com.yahoo.pulsar.testclient.PerformanceProducer.java
public static void main(String[] args) throws Exception { final Arguments arguments = new Arguments(); JCommander jc = new JCommander(arguments); jc.setProgramName("pulsar-perf-producer"); try {// w ww. ja va 2s. c o m jc.parse(args); } catch (ParameterException e) { System.out.println(e.getMessage()); jc.usage(); System.exit(-1); } if (arguments.help) { jc.usage(); System.exit(-1); } if (arguments.destinations.size() != 1) { System.out.println("Only one topic name is allowed"); jc.usage(); System.exit(-1); } if (arguments.confFile != null) { Properties prop = new Properties(System.getProperties()); prop.load(new FileInputStream(arguments.confFile)); if (arguments.serviceURL == null) { arguments.serviceURL = prop.getProperty("brokerServiceUrl"); } if (arguments.serviceURL == null) { arguments.serviceURL = prop.getProperty("webServiceUrl"); } // fallback to previous-version serviceUrl property to maintain backward-compatibility if (arguments.serviceURL == null) { arguments.serviceURL = prop.getProperty("serviceUrl", "http://localhost:8080/"); } if (arguments.authPluginClassName == null) { arguments.authPluginClassName = prop.getProperty("authPlugin", null); } if (arguments.authParams == null) { arguments.authParams = prop.getProperty("authParams", null); } } arguments.testTime = TimeUnit.SECONDS.toMillis(arguments.testTime); // Dump config variables ObjectMapper m = new ObjectMapper(); ObjectWriter w = m.writerWithDefaultPrettyPrinter(); log.info("Starting Pulsar perf producer with config: {}", w.writeValueAsString(arguments)); // Read payload data from file if needed byte payloadData[]; if (arguments.payloadFilename != null) { payloadData = Files.readAllBytes(Paths.get(arguments.payloadFilename)); } else { payloadData = new byte[arguments.msgSize]; } // Now processing command line arguments String prefixTopicName = arguments.destinations.get(0); List<Future<Producer>> futures = Lists.newArrayList(); EventLoopGroup eventLoopGroup; if (SystemUtils.IS_OS_LINUX) { eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer")); } else { eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer")); } ClientConfiguration clientConf = new ClientConfiguration(); clientConf.setConnectionsPerBroker(arguments.maxConnections); clientConf.setStatsInterval(arguments.statsIntervalSeconds, TimeUnit.SECONDS); if (isNotBlank(arguments.authPluginClassName)) { clientConf.setAuthentication(arguments.authPluginClassName, arguments.authParams); } PulsarClient client = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup); ProducerConfiguration producerConf = new ProducerConfiguration(); producerConf.setSendTimeout(0, TimeUnit.SECONDS); producerConf.setCompressionType(arguments.compression); // enable round robin message routing if it is a partitioned topic producerConf.setMessageRoutingMode(MessageRoutingMode.RoundRobinPartition); if (arguments.batchTime > 0) { producerConf.setBatchingMaxPublishDelay(arguments.batchTime, TimeUnit.MILLISECONDS); producerConf.setBatchingEnabled(true); producerConf.setMaxPendingMessages(arguments.msgRate); } for (int i = 0; i < arguments.numTopics; i++) { String topic = (arguments.numTopics == 1) ? prefixTopicName : String.format("%s-%d", prefixTopicName, i); log.info("Adding {} publishers on destination {}", arguments.numProducers, topic); for (int j = 0; j < arguments.numProducers; j++) { futures.add(client.createProducerAsync(topic, producerConf)); } } final List<Producer> producers = Lists.newArrayListWithCapacity(futures.size()); for (Future<Producer> future : futures) { producers.add(future.get()); } log.info("Created {} producers", producers.size()); Runtime.getRuntime().addShutdownHook(new Thread() { public void run() { printAggregatedStats(); } }); Collections.shuffle(producers); AtomicBoolean isDone = new AtomicBoolean(); executor.submit(() -> { try { RateLimiter rateLimiter = RateLimiter.create(arguments.msgRate); long startTime = System.currentTimeMillis(); // Send messages on all topics/producers long totalSent = 0; while (true) { for (Producer producer : producers) { if (arguments.testTime > 0) { if (System.currentTimeMillis() - startTime > arguments.testTime) { log.info("------------------- DONE -----------------------"); printAggregatedStats(); isDone.set(true); Thread.sleep(5000); System.exit(0); } } if (arguments.numMessages > 0) { if (totalSent++ >= arguments.numMessages) { log.info("------------------- DONE -----------------------"); printAggregatedStats(); isDone.set(true); Thread.sleep(5000); System.exit(0); } } rateLimiter.acquire(); final long sendTime = System.nanoTime(); producer.sendAsync(payloadData).thenRun(() -> { messagesSent.increment(); bytesSent.add(payloadData.length); long latencyMicros = NANOSECONDS.toMicros(System.nanoTime() - sendTime); recorder.recordValue(latencyMicros); cumulativeRecorder.recordValue(latencyMicros); }).exceptionally(ex -> { log.warn("Write error on message", ex); System.exit(-1); return null; }); } } } catch (Throwable t) { log.error("Got error", t); } }); // Print report stats long oldTime = System.nanoTime(); Histogram reportHistogram = null; String statsFileName = "perf-producer-" + System.currentTimeMillis() + ".hgrm"; log.info("Dumping latency stats to {}", statsFileName); PrintStream histogramLog = new PrintStream(new FileOutputStream(statsFileName), false); HistogramLogWriter histogramLogWriter = new HistogramLogWriter(histogramLog); // Some log header bits histogramLogWriter.outputLogFormatVersion(); histogramLogWriter.outputLegend(); while (true) { try { Thread.sleep(10000); } catch (InterruptedException e) { break; } if (isDone.get()) { break; } long now = System.nanoTime(); double elapsed = (now - oldTime) / 1e9; double rate = messagesSent.sumThenReset() / elapsed; double throughput = bytesSent.sumThenReset() / elapsed / 1024 / 1024 * 8; reportHistogram = recorder.getIntervalHistogram(reportHistogram); log.info( "Throughput produced: {} msg/s --- {} Mbit/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}", throughputFormat.format(rate), throughputFormat.format(throughput), dec.format(reportHistogram.getMean() / 1000.0), dec.format(reportHistogram.getValueAtPercentile(50) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(95) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.9) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.99) / 1000.0), dec.format(reportHistogram.getMaxValue() / 1000.0)); histogramLogWriter.outputIntervalHistogram(reportHistogram); reportHistogram.reset(); oldTime = now; } client.close(); }
From source file:com.pinterest.pinlater.QueueRateLimiter.java
public static IFace create(double maxRequestsPerSecond) { if (maxRequestsPerSecond <= 0.0) { return ALLOW_NONE; }//w w w .j a v a 2 s.co m final RateLimiter rateLimiter = RateLimiter.create(maxRequestsPerSecond); return new IFace() { @Override public boolean allowDequeue(int numJobs) { return rateLimiter.tryAcquire(numJobs); } @Override public double getRate() { return rateLimiter.getRate(); } }; }
From source file:com.pinterest.secor.util.RateLimitUtil.java
public static void configure(SecorConfig config) { // Lazy initialization of the rate limiter would have to be in a synchronized block so // creating it here makes things simple. mRateLimiter = RateLimiter.create(config.getMessagesPerSecond()); }
From source file:org.apache.pulsar.testclient.PerformanceProducer.java
public static void main(String[] args) throws Exception { final Arguments arguments = new Arguments(); JCommander jc = new JCommander(arguments); jc.setProgramName("pulsar-perf-producer"); try {/*from w w w . j a v a 2 s . c o m*/ jc.parse(args); } catch (ParameterException e) { System.out.println(e.getMessage()); jc.usage(); System.exit(-1); } if (arguments.help) { jc.usage(); System.exit(-1); } if (arguments.destinations.size() != 1) { System.out.println("Only one topic name is allowed"); jc.usage(); System.exit(-1); } if (arguments.confFile != null) { Properties prop = new Properties(System.getProperties()); prop.load(new FileInputStream(arguments.confFile)); if (arguments.serviceURL == null) { arguments.serviceURL = prop.getProperty("brokerServiceUrl"); } if (arguments.serviceURL == null) { arguments.serviceURL = prop.getProperty("webServiceUrl"); } // fallback to previous-version serviceUrl property to maintain backward-compatibility if (arguments.serviceURL == null) { arguments.serviceURL = prop.getProperty("serviceUrl", "http://localhost:8080/"); } if (arguments.authPluginClassName == null) { arguments.authPluginClassName = prop.getProperty("authPlugin", null); } if (arguments.authParams == null) { arguments.authParams = prop.getProperty("authParams", null); } } arguments.testTime = TimeUnit.SECONDS.toMillis(arguments.testTime); // Dump config variables ObjectMapper m = new ObjectMapper(); ObjectWriter w = m.writerWithDefaultPrettyPrinter(); log.info("Starting Pulsar perf producer with config: {}", w.writeValueAsString(arguments)); // Read payload data from file if needed byte payloadData[]; if (arguments.payloadFilename != null) { payloadData = Files.readAllBytes(Paths.get(arguments.payloadFilename)); } else { payloadData = new byte[arguments.msgSize]; } // Now processing command line arguments String prefixTopicName = arguments.destinations.get(0); List<Future<Producer>> futures = Lists.newArrayList(); EventLoopGroup eventLoopGroup; if (SystemUtils.IS_OS_LINUX) { eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer")); } else { eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer")); } ClientConfiguration clientConf = new ClientConfiguration(); clientConf.setConnectionsPerBroker(arguments.maxConnections); clientConf.setStatsInterval(arguments.statsIntervalSeconds, TimeUnit.SECONDS); if (isNotBlank(arguments.authPluginClassName)) { clientConf.setAuthentication(arguments.authPluginClassName, arguments.authParams); } PulsarClient client = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup); ProducerConfiguration producerConf = new ProducerConfiguration(); producerConf.setSendTimeout(0, TimeUnit.SECONDS); producerConf.setCompressionType(arguments.compression); // enable round robin message routing if it is a partitioned topic producerConf.setMessageRoutingMode(MessageRoutingMode.RoundRobinPartition); if (arguments.batchTime > 0) { producerConf.setBatchingMaxPublishDelay(arguments.batchTime, TimeUnit.MILLISECONDS); producerConf.setBatchingEnabled(true); producerConf.setMaxPendingMessages(arguments.msgRate); } // Block if queue is full else we will start seeing errors in sendAsync producerConf.setBlockIfQueueFull(true); for (int i = 0; i < arguments.numTopics; i++) { String topic = (arguments.numTopics == 1) ? prefixTopicName : String.format("%s-%d", prefixTopicName, i); log.info("Adding {} publishers on destination {}", arguments.numProducers, topic); for (int j = 0; j < arguments.numProducers; j++) { futures.add(client.createProducerAsync(topic, producerConf)); } } final List<Producer> producers = Lists.newArrayListWithCapacity(futures.size()); for (Future<Producer> future : futures) { producers.add(future.get()); } log.info("Created {} producers", producers.size()); Runtime.getRuntime().addShutdownHook(new Thread() { public void run() { printAggregatedStats(); } }); Collections.shuffle(producers); AtomicBoolean isDone = new AtomicBoolean(); executor.submit(() -> { try { RateLimiter rateLimiter = RateLimiter.create(arguments.msgRate); long startTime = System.currentTimeMillis(); // Send messages on all topics/producers long totalSent = 0; while (true) { for (Producer producer : producers) { if (arguments.testTime > 0) { if (System.currentTimeMillis() - startTime > arguments.testTime) { log.info("------------------- DONE -----------------------"); printAggregatedStats(); isDone.set(true); Thread.sleep(5000); System.exit(0); } } if (arguments.numMessages > 0) { if (totalSent++ >= arguments.numMessages) { log.info("------------------- DONE -----------------------"); printAggregatedStats(); isDone.set(true); Thread.sleep(5000); System.exit(0); } } rateLimiter.acquire(); final long sendTime = System.nanoTime(); producer.sendAsync(payloadData).thenRun(() -> { messagesSent.increment(); bytesSent.add(payloadData.length); long latencyMicros = NANOSECONDS.toMicros(System.nanoTime() - sendTime); recorder.recordValue(latencyMicros); cumulativeRecorder.recordValue(latencyMicros); }).exceptionally(ex -> { log.warn("Write error on message", ex); System.exit(-1); return null; }); } } } catch (Throwable t) { log.error("Got error", t); } }); // Print report stats long oldTime = System.nanoTime(); Histogram reportHistogram = null; String statsFileName = "perf-producer-" + System.currentTimeMillis() + ".hgrm"; log.info("Dumping latency stats to {}", statsFileName); PrintStream histogramLog = new PrintStream(new FileOutputStream(statsFileName), false); HistogramLogWriter histogramLogWriter = new HistogramLogWriter(histogramLog); // Some log header bits histogramLogWriter.outputLogFormatVersion(); histogramLogWriter.outputLegend(); while (true) { try { Thread.sleep(10000); } catch (InterruptedException e) { break; } if (isDone.get()) { break; } long now = System.nanoTime(); double elapsed = (now - oldTime) / 1e9; double rate = messagesSent.sumThenReset() / elapsed; double throughput = bytesSent.sumThenReset() / elapsed / 1024 / 1024 * 8; reportHistogram = recorder.getIntervalHistogram(reportHistogram); log.info( "Throughput produced: {} msg/s --- {} Mbit/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}", throughputFormat.format(rate), throughputFormat.format(throughput), dec.format(reportHistogram.getMean() / 1000.0), dec.format(reportHistogram.getValueAtPercentile(50) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(95) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.9) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.99) / 1000.0), dec.format(reportHistogram.getMaxValue() / 1000.0)); histogramLogWriter.outputIntervalHistogram(reportHistogram); reportHistogram.reset(); oldTime = now; } client.close(); }
From source file:com.hiido.hefty.io.Throttle.java
public Throttle(long maxRatePerSecond) { this.rateLimiter = RateLimiter.create(maxRatePerSecond); }
From source file:com.amazonaws.dynamodb.bootstrap.DynamoDBTableScan.java
/** * Initializes the RateLimiter and sets the AmazonDynamoDBClient. *//*from w ww . jav a2 s . c o m*/ public DynamoDBTableScan(double rateLimit, AmazonDynamoDBClient client) { rateLimiter = RateLimiter.create(rateLimit); this.client = client; }