Examples with Throttler com.github.ambry.utils.Throttler used on opensource projects

Example 6 with Throttler

use of com.github.ambry.utils.Throttler in project ambry by linkedin.

the class IndexReadPerformance method main.

public static void main(String[] args) {
    try {
        OptionParser parser = new OptionParser();
        ArgumentAcceptingOptionSpec<String> logToReadOpt = parser.accepts("logToRead", "The log that needs to be replayed for traffic").withRequiredArg().describedAs("log_to_read").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> hardwareLayoutOpt = parser.accepts("hardwareLayout", "The path of the hardware layout file").withRequiredArg().describedAs("hardware_layout").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> partitionLayoutOpt = parser.accepts("partitionLayout", "The path of the partition layout file").withRequiredArg().describedAs("partition_layout").ofType(String.class);
        ArgumentAcceptingOptionSpec<Integer> numberOfReadersOpt = parser.accepts("numberOfReaders", "The number of readers that read to a random index concurrently").withRequiredArg().describedAs("The number of readers").ofType(Integer.class).defaultsTo(4);
        ArgumentAcceptingOptionSpec<Integer> readsPerSecondOpt = parser.accepts("readsPerSecond", "The rate at which reads need to be performed").withRequiredArg().describedAs("The number of reads per second").ofType(Integer.class).defaultsTo(1000);
        ArgumentAcceptingOptionSpec<Boolean> verboseLoggingOpt = parser.accepts("enableVerboseLogging", "Enables verbose logging").withOptionalArg().describedAs("Enable verbose logging").ofType(Boolean.class).defaultsTo(false);
        OptionSet options = parser.parse(args);
        ArrayList<OptionSpec> listOpt = new ArrayList<>();
        listOpt.add(logToReadOpt);
        listOpt.add(hardwareLayoutOpt);
        listOpt.add(partitionLayoutOpt);
        ToolUtils.ensureOrExit(listOpt, options, parser);
        String logToRead = options.valueOf(logToReadOpt);
        int numberOfReaders = options.valueOf(numberOfReadersOpt);
        int readsPerSecond = options.valueOf(readsPerSecondOpt);
        boolean enableVerboseLogging = options.has(verboseLoggingOpt);
        if (enableVerboseLogging) {
            System.out.println("Enabled verbose logging");
        }
        String hardwareLayoutPath = options.valueOf(hardwareLayoutOpt);
        String partitionLayoutPath = options.valueOf(partitionLayoutOpt);
        ClusterMapConfig clusterMapConfig = new ClusterMapConfig(new VerifiableProperties(new Properties()));
        ClusterMap map = ((ClusterAgentsFactory) Utils.getObj(clusterMapConfig.clusterMapClusterAgentsFactory, clusterMapConfig, hardwareLayoutPath, partitionLayoutPath)).getClusterMap();
        StoreKeyFactory factory = new BlobIdFactory(map);
        // Read the log and get the index directories and create the indexes
        final BufferedReader br = new BufferedReader(new FileReader(logToRead));
        final HashMap<String, IndexPayload> hashes = new HashMap<String, IndexPayload>();
        String line;
        MetricRegistry metricRegistry = new MetricRegistry();
        StoreMetrics metrics = new StoreMetrics(metricRegistry);
        ScheduledExecutorService s = Utils.newScheduler(numberOfReaders, "index", true);
        DiskSpaceAllocator diskSpaceAllocator = new DiskSpaceAllocator(false, null, 0, new StorageManagerMetrics(metricRegistry));
        Log log = new Log(System.getProperty("user.dir"), 1000, 1000, diskSpaceAllocator, metrics);
        Properties props = new Properties();
        props.setProperty("store.index.memory.size.bytes", "1048576");
        StoreConfig config = new StoreConfig(new VerifiableProperties(props));
        final AtomicLong totalTimeTaken = new AtomicLong(0);
        final AtomicLong totalReads = new AtomicLong(0);
        final CountDownLatch latch = new CountDownLatch(numberOfReaders);
        final AtomicBoolean shutdown = new AtomicBoolean(false);
        // attach shutdown handler to catch control-c
        Runtime.getRuntime().addShutdownHook(new Thread() {

            public void run() {
                try {
                    System.out.println("Shutdown invoked");
                    shutdown.set(true);
                    latch.await();
                    System.out.println("Total reads : " + totalReads.get() + "  Total time taken : " + totalTimeTaken.get() + " Nano Seconds  Average time taken per read " + ((double) totalReads.get() / totalTimeTaken.get()) / SystemTime.NsPerSec + " Seconds");
                } catch (Exception e) {
                    System.out.println("Error while shutting down " + e);
                }
            }
        });
        ScheduledExecutorService scheduleReadLog = Utils.newScheduler(1, true);
        while ((line = br.readLine()) != null) {
            if (line.startsWith("logdir")) {
                String[] logdirs = line.split("-");
                BlobIndexMetrics metricIndex = new BlobIndexMetrics(logdirs[1], s, log, enableVerboseLogging, totalReads, totalTimeTaken, totalReads, config, null, factory);
                hashes.put(logdirs[1], new IndexPayload(metricIndex, new HashSet<String>()));
            } else {
                break;
            }
        }
        // read next batch of ids after 2 minutes
        scheduleReadLog.scheduleAtFixedRate(new Runnable() {

            @Override
            public void run() {
                populateIds(br, hashes);
            }
        }, 0, 120, TimeUnit.SECONDS);
        Throttler throttler = new Throttler(readsPerSecond, 100, true, SystemTime.getInstance());
        Thread[] threadIndexPerf = new Thread[numberOfReaders];
        for (int i = 0; i < numberOfReaders; i++) {
            threadIndexPerf[i] = new Thread(new IndexReadPerfRun(hashes, throttler, shutdown, latch, map));
            threadIndexPerf[i].start();
        }
        for (int i = 0; i < numberOfReaders; i++) {
            threadIndexPerf[i].join();
        }
        br.close();
    } catch (Exception e) {
        System.out.println("Exiting process with exception " + e);
    }
}

Example 7 with Throttler

use of com.github.ambry.utils.Throttler in project ambry by linkedin.

the class ServerWritePerformance method main.

public static void main(String[] args) {
    FileWriter blobIdsWriter = null;
    FileWriter performanceWriter = null;
    ConnectionPool connectionPool = null;
    try {
        OptionParser parser = new OptionParser();
        ArgumentAcceptingOptionSpec<String> hardwareLayoutOpt = parser.accepts("hardwareLayout", "The path of the hardware layout file").withRequiredArg().describedAs("hardware_layout").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> partitionLayoutOpt = parser.accepts("partitionLayout", "The path of the partition layout file").withRequiredArg().describedAs("partition_layout").ofType(String.class);
        ArgumentAcceptingOptionSpec<Integer> numberOfWritersOpt = parser.accepts("numberOfWriters", "The number of writers that issue put request").withRequiredArg().describedAs("The number of writers").ofType(Integer.class).defaultsTo(4);
        ArgumentAcceptingOptionSpec<Integer> minBlobSizeOpt = parser.accepts("minBlobSizeInBytes", "The minimum size of the blob that can be put").withRequiredArg().describedAs("The minimum blob size in bytes").ofType(Integer.class).defaultsTo(51200);
        ArgumentAcceptingOptionSpec<Integer> maxBlobSizeOpt = parser.accepts("maxBlobSizeInBytes", "The maximum size of the blob that can be put").withRequiredArg().describedAs("The maximum blob size in bytes").ofType(Integer.class).defaultsTo(4194304);
        ArgumentAcceptingOptionSpec<Integer> writesPerSecondOpt = parser.accepts("writesPerSecond", "The rate at which writes need to be performed").withRequiredArg().describedAs("The number of writes per second").ofType(Integer.class).defaultsTo(1000);
        ArgumentAcceptingOptionSpec<Long> measurementIntervalOpt = parser.accepts("measurementInterval", "The interval in second to report performance result").withOptionalArg().describedAs("The CPU time spent for putting blobs, not wall time").ofType(Long.class).defaultsTo(300L);
        ArgumentAcceptingOptionSpec<Boolean> verboseLoggingOpt = parser.accepts("enableVerboseLogging", "Enables verbose logging").withOptionalArg().describedAs("Enable verbose logging").ofType(Boolean.class).defaultsTo(false);
        ArgumentAcceptingOptionSpec<String> sslEnabledDatacentersOpt = parser.accepts("sslEnabledDatacenters", "Datacenters to which ssl should be enabled").withOptionalArg().describedAs("Comma separated list").ofType(String.class).defaultsTo("");
        ArgumentAcceptingOptionSpec<String> sslKeystorePathOpt = parser.accepts("sslKeystorePath", "SSL key store path").withOptionalArg().describedAs("The file path of SSL key store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslKeystoreTypeOpt = parser.accepts("sslKeystoreType", "SSL key store type").withOptionalArg().describedAs("The type of SSL key store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslTruststorePathOpt = parser.accepts("sslTruststorePath", "SSL trust store path").withOptionalArg().describedAs("The file path of SSL trust store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslKeystorePasswordOpt = parser.accepts("sslKeystorePassword", "SSL key store password").withOptionalArg().describedAs("The password of SSL key store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslKeyPasswordOpt = parser.accepts("sslKeyPassword", "SSL key password").withOptionalArg().describedAs("The password of SSL private key").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslTruststorePasswordOpt = parser.accepts("sslTruststorePassword", "SSL trust store password").withOptionalArg().describedAs("The password of SSL trust store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslCipherSuitesOpt = parser.accepts("sslCipherSuites", "SSL enabled cipher suites").withOptionalArg().describedAs("Comma separated list").defaultsTo("TLS_RSA_WITH_AES_128_CBC_SHA").ofType(String.class);
        OptionSet options = parser.parse(args);
        ArrayList<OptionSpec> listOpt = new ArrayList<>();
        listOpt.add(hardwareLayoutOpt);
        listOpt.add(partitionLayoutOpt);
        ToolUtils.ensureOrExit(listOpt, options, parser);
        long measurementIntervalNs = options.valueOf(measurementIntervalOpt) * SystemTime.NsPerSec;
        ToolUtils.validateSSLOptions(options, parser, sslEnabledDatacentersOpt, sslKeystorePathOpt, sslKeystoreTypeOpt, sslTruststorePathOpt, sslKeystorePasswordOpt, sslKeyPasswordOpt, sslTruststorePasswordOpt);
        String sslEnabledDatacenters = options.valueOf(sslEnabledDatacentersOpt);
        Properties sslProperties;
        if (sslEnabledDatacenters.length() != 0) {
            sslProperties = ToolUtils.createSSLProperties(sslEnabledDatacenters, options.valueOf(sslKeystorePathOpt), options.valueOf(sslKeystoreTypeOpt), options.valueOf(sslKeystorePasswordOpt), options.valueOf(sslKeyPasswordOpt), options.valueOf(sslTruststorePathOpt), options.valueOf(sslTruststorePasswordOpt), options.valueOf(sslCipherSuitesOpt));
        } else {
            sslProperties = new Properties();
        }
        ToolUtils.addClusterMapProperties(sslProperties);
        int numberOfWriters = options.valueOf(numberOfWritersOpt);
        int writesPerSecond = options.valueOf(writesPerSecondOpt);
        boolean enableVerboseLogging = options.has(verboseLoggingOpt) ? true : false;
        int minBlobSize = options.valueOf(minBlobSizeOpt);
        int maxBlobSize = options.valueOf(maxBlobSizeOpt);
        if (enableVerboseLogging) {
            System.out.println("Enabled verbose logging");
        }
        final AtomicLong totalTimeTaken = new AtomicLong(0);
        final AtomicLong totalWrites = new AtomicLong(0);
        String hardwareLayoutPath = options.valueOf(hardwareLayoutOpt);
        String partitionLayoutPath = options.valueOf(partitionLayoutOpt);
        ClusterMapConfig clusterMapConfig = new ClusterMapConfig(new VerifiableProperties(sslProperties));
        ClusterMap map = ((ClusterAgentsFactory) Utils.getObj(clusterMapConfig.clusterMapClusterAgentsFactory, clusterMapConfig, hardwareLayoutPath, partitionLayoutPath)).getClusterMap();
        File logFile = new File(System.getProperty("user.dir"), "writeperflog");
        blobIdsWriter = new FileWriter(logFile);
        File performanceFile = new File(System.getProperty("user.dir"), "writeperfresult");
        performanceWriter = new FileWriter(performanceFile);
        final CountDownLatch latch = new CountDownLatch(numberOfWriters);
        final AtomicBoolean shutdown = new AtomicBoolean(false);
        // attach shutdown handler to catch control-c
        Runtime.getRuntime().addShutdownHook(new Thread() {

            public void run() {
                try {
                    System.out.println("Shutdown invoked");
                    shutdown.set(true);
                    latch.await();
                    System.out.println("Total writes : " + totalWrites.get() + "  Total time taken : " + totalTimeTaken.get() + " Nano Seconds  Average time taken per write " + ((double) totalTimeTaken.get()) / SystemTime.NsPerSec / totalWrites.get() + " Seconds");
                } catch (Exception e) {
                    System.out.println("Error while shutting down " + e);
                }
            }
        });
        Throttler throttler = new Throttler(writesPerSecond, 100, true, SystemTime.getInstance());
        Thread[] threadIndexPerf = new Thread[numberOfWriters];
        ConnectionPoolConfig connectionPoolConfig = new ConnectionPoolConfig(new VerifiableProperties(new Properties()));
        VerifiableProperties vProps = new VerifiableProperties(sslProperties);
        SSLConfig sslConfig = new SSLConfig(vProps);
        clusterMapConfig = new ClusterMapConfig(vProps);
        connectionPool = new BlockingChannelConnectionPool(connectionPoolConfig, sslConfig, clusterMapConfig, new MetricRegistry());
        connectionPool.start();
        for (int i = 0; i < numberOfWriters; i++) {
            threadIndexPerf[i] = new Thread(new ServerWritePerfRun(i, throttler, shutdown, latch, minBlobSize, maxBlobSize, blobIdsWriter, performanceWriter, totalTimeTaken, totalWrites, measurementIntervalNs, enableVerboseLogging, map, connectionPool));
            threadIndexPerf[i].start();
        }
        for (int i = 0; i < numberOfWriters; i++) {
            threadIndexPerf[i].join();
        }
    } catch (Exception e) {
        System.err.println("Error on exit " + e);
    } finally {
        if (blobIdsWriter != null) {
            try {
                blobIdsWriter.close();
            } catch (Exception e) {
                System.out.println("Error when closing the blob id writer");
            }
        }
        if (performanceWriter != null) {
            try {
                performanceWriter.close();
            } catch (Exception e) {
                System.out.println("Error when closing the performance writer");
            }
        }
        if (connectionPool != null) {
            connectionPool.shutdown();
        }
    }
}

Example 8 with Throttler

use of com.github.ambry.utils.Throttler in project ambry by linkedin.

the class DumpIndexTool method main.

public static void main(String[] args) throws Exception {
    VerifiableProperties verifiableProperties = ToolUtils.getVerifiableProperties(args);
    DumpIndexToolConfig config = new DumpIndexToolConfig(verifiableProperties);
    ClusterMapConfig clusterMapConfig = new ClusterMapConfig(verifiableProperties);
    try (ClusterMap clusterMap = ((ClusterAgentsFactory) Utils.getObj(clusterMapConfig.clusterMapClusterAgentsFactory, clusterMapConfig, config.hardwareLayoutFilePath, config.partitionLayoutFilePath)).getClusterMap()) {
        StoreConfig storeConfig = new StoreConfig(verifiableProperties);
        // this tool supports only blob IDs. It can become generic if StoreKeyFactory provides a deserFromString method.
        BlobIdFactory blobIdFactory = new BlobIdFactory(clusterMap);
        StoreToolsMetrics metrics = new StoreToolsMetrics(clusterMap.getMetricRegistry());
        StoreMetrics storeMetrics = new StoreMetrics("DumpIndexTool", clusterMap.getMetricRegistry());
        Time time = SystemTime.getInstance();
        DumpIndexTool dumpIndexTool = new DumpIndexTool(blobIdFactory, storeConfig, time, metrics, storeMetrics);
        Set<StoreKey> filterKeySet = new HashSet<>();
        for (String key : config.filterSet) {
            filterKeySet.add(new BlobId(key, clusterMap));
        }
        switch(config.typeOfOperation) {
            case DumpIndex:
                dumpIndex(dumpIndexTool, config.pathOfInput, filterKeySet);
                break;
            case DumpIndexSegment:
                dumpIndexSegment(dumpIndexTool, config.pathOfInput, filterKeySet);
                break;
            case VerifyIndex:
                Throttler throttler = new Throttler(config.indexEntriesToProcessPerSec, 1000, true, time);
                IndexProcessingResults results = dumpIndexTool.processIndex(config.pathOfInput, filterKeySet, time.milliseconds(), throttler);
                if (results.isIndexSane()) {
                    logger.info("Index of {} is well formed and without errors", config.pathOfInput);
                } else {
                    logger.error("Index of {} has errors", config.pathOfInput);
                }
                logger.info("Processing results: {}", results);
                break;
            default:
                throw new IllegalArgumentException("Unrecognized operation: " + config.typeOfOperation);
        }
    }
}