Examples with TimerTask java.util.TimerTask used on opensource projects

Example 46 with TimerTask

use of java.util.TimerTask in project voltdb by VoltDB.

the class AsyncBenchmark method schedulePeriodicStats.

/**
     * Create a Timer task to display performance data on the Vote procedure It
     * calls printStatistics() every displayInterval seconds
     */
public void schedulePeriodicStats() {
    timer = new Timer();
    TimerTask statsPrinting = new TimerTask() {

        @Override
        public void run() {
            printStatistics();
        }
    };
    timer.scheduleAtFixedRate(statsPrinting, config.displayinterval * 1000, config.displayinterval * 1000);
}

Example 47 with TimerTask

use of java.util.TimerTask in project voltdb by VoltDB.

the class Benchmark method scheduleRunTimer.

/**
     * Create a Timer task to time the run
     * at end of run, check if we actually did anything
     */
private void scheduleRunTimer() throws IOException {
    runTimer = new Timer("Run Timer", true);
    TimerTask runEndTask = new TimerTask() {

        @Override
        public void run() {
            log.info(HORIZONTAL_RULE);
            log.info("Benchmark Complete");
            int exitcode = 0;
            // check if loaders are done or still working
            if (partBiglt != null) {
                int lpcc = partBiglt.getPercentLoadComplete();
                if (!partBiglt.isAlive() && lpcc < 100) {
                    exitcode = reportDeadThread(partBiglt, " yet only " + Integer.toString(lpcc) + "% rows have been loaded");
                } else
                    log.info(partBiglt + " was at " + lpcc + "% of rows loaded");
            }
            if (replBiglt != null) {
                int lpcc = replBiglt.getPercentLoadComplete();
                if (!replBiglt.isAlive() && lpcc < 100) {
                    exitcode = reportDeadThread(replBiglt, " yet only " + Integer.toString(lpcc) + "% rows have been loaded");
                } else
                    log.info(replBiglt + " was at " + lpcc + "% of rows loaded");
            }
            // check if all threads still alive
            if (partTrunclt != null && !partTrunclt.isAlive())
                exitcode = reportDeadThread(partTrunclt);
            if (replTrunclt != null && !replTrunclt.isAlive())
                exitcode = reportDeadThread(replTrunclt);
            /* XXX if (! partLoadlt.isAlive())
                    exitcode = reportDeadThread(partLoadlt);
                if (! replLoadlt.isAlive())
                    exitcode = reportDeadThread(replLoadlt);
                */
            if (readThread != null && !readThread.isAlive())
                exitcode = reportDeadThread(readThread);
            if (adHocMayhemThread != null && !config.disableadhoc && !adHocMayhemThread.isAlive())
                exitcode = reportDeadThread(adHocMayhemThread);
            if (idpt != null && !idpt.isAlive())
                exitcode = reportDeadThread(idpt);
            /* XXX if (! ddlt.isAlive())
                    exitcode = reportDeadThread(ddlt);*/
            for (ClientThread ct : clientThreads) {
                if (!ct.isAlive()) {
                    exitcode = reportDeadThread(ct);
                }
            }
            /*
                replBiglt.shutdown();
                partBiglt.shutdown();
                replTrunclt.shutdown();
                partTrunclt.shutdown();
                readThread.shutdown();
                adHocMayhemThread.shutdown();
                idpt.shutdown();
                ddlt.shutdown();
                for (ClientThread clientThread : clientThreads) {
                    clientThread.shutdown();
                }
                replBiglt.join();
                partBiglt.join();
                readThread.join();
                adHocMayhemThread.join();
                idpt.join();
                ddlt.join();

                //Shutdown LoadTableLoader
                replLoadlt.shutdown();
                partLoadlt.shutdown();
                replLoadlt.join();
                partLoadlt.join();

                for (ClientThread clientThread : clientThreads) {
                    clientThread.join();
                }
                */
            // cancel periodic stats printing
            timer.cancel();
            checkpointTimer.cancel();
            /*
                shutdown.set(true);
                es.shutdownNow();

                // block until all outstanding txns return
                client.drain();
                client.close();
                permitsTimer.cancel();
                */
            long count = txnCount.get();
            log.info("Client thread transaction count: " + count + "\n");
            if (exitcode > 0 && txnCount.get() == 0) {
                System.err.println("Shutting down, but found that no work was done.");
                exitcode = 2;
            }
            System.exit(exitcode);
        }
    };
    runTimer.schedule(runEndTask, config.duration * 1000);
}

Example 48 with TimerTask

use of java.util.TimerTask in project voltdb by VoltDB.

the class JDBCBenchmark method main.

// Application entry point
public static void main(String[] args) {
    try {
        KVConfig config = new KVConfig();
        config.parse(JDBCBenchmark.class.getName(), args);
        System.out.println(config.getConfigDumpString());
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // We need only do this once, to "hot cache" the JDBC driver reference so the JVM may realize it's there.
        Class.forName(DRIVER_NAME);
        // Prepare the JDBC URL for the VoltDB driver
        String url = "jdbc:voltdb://" + config.servers;
        // Prepare the Datasource if choose to use a connection pool
        if (config.externalConnectionPool.equalsIgnoreCase(C3P0_CONNECTIONPOOL)) {
            useConnectionPool = true;
            ComboPooledDataSource cpds = new ComboPooledDataSource();
            //loads the jdbc driver
            cpds.setDriverClass(DRIVER_NAME);
            cpds.setJdbcUrl(url);
            Ds = cpds;
        } else if (config.externalConnectionPool.equalsIgnoreCase(TOMCAT_CONNECTIONPOOL)) {
            useConnectionPool = true;
            // read the config file for connection pool
            String configName = "tomcat.properties";
            boolean useDefaultConnectionPoolConfig = true;
            Properties cpProperties = new Properties();
            try {
                FileInputStream fileInput = new FileInputStream(new File(configName));
                cpProperties.load(fileInput);
                fileInput.close();
                useDefaultConnectionPoolConfig = false;
            } catch (FileNotFoundException e) {
                System.out.println("connection pool property file '" + configName + "' not found, use default settings");
            }
            PoolProperties p = new PoolProperties();
            p.setUrl(url);
            p.setDriverClassName(DRIVER_NAME);
            if (useDefaultConnectionPoolConfig) {
                p.setInitialSize(config.threads + 1);
            } else {
                p.setInitialSize(Integer.parseInt(cpProperties.getProperty("tomcat.initialSize", "40")));
            }
            org.apache.tomcat.jdbc.pool.DataSource tomcatDs = new org.apache.tomcat.jdbc.pool.DataSource();
            tomcatDs.setPoolProperties(p);
            Ds = tomcatDs;
        } else if (config.externalConnectionPool.equalsIgnoreCase(BONECP_CONNECTIONPOOL)) {
            useConnectionPool = true;
            String configName = "bonecp.properties";
            boolean useDefaultConnectionPoolConfig = true;
            Properties cpProperties = new Properties();
            try {
                FileInputStream fileInput = new FileInputStream(new File(configName));
                cpProperties.load(fileInput);
                fileInput.close();
                useDefaultConnectionPoolConfig = false;
            } catch (FileNotFoundException e) {
                System.out.println("connection pool property file '" + configName + "' not found, use default settings");
            }
            BoneCPConfig p;
            if (useDefaultConnectionPoolConfig) {
                p = new BoneCPConfig();
                p.setDefaultReadOnly(false);
                p.setPartitionCount(config.threads / 2);
                p.setMaxConnectionsPerPartition(4);
            } else {
                p = new BoneCPConfig(cpProperties);
            }
            // set the JDBC url
            p.setJdbcUrl(url + "?enableSetReadOnly=true");
            BoneCPDataSource boneDs = new BoneCPDataSource(p);
            Ds = boneDs;
        } else if (config.externalConnectionPool.equalsIgnoreCase(HIKARI_CONNECTIONPOOL)) {
            useConnectionPool = true;
            HikariConfig p = new HikariConfig("hikari.properties");
            p.setDriverClassName(DRIVER_NAME);
            p.setJdbcUrl(url);
            HikariDataSource hiDs = new HikariDataSource(p);
            Ds = hiDs;
        } else {
            useConnectionPool = false;
            Ds = null;
        }
        // Get a client connection - we retry for a while in case the server hasn't started yet
        System.out.printf("Connecting to: %s\n", url);
        int sleep = 1000;
        while (true) {
            try {
                if (useConnectionPool) {
                    Ds.getConnection();
                    System.out.printf("Using Connection Pool: %s\n", config.externalConnectionPool);
                }
                Con = DriverManager.getConnection(url, "", "");
                break;
            } catch (Exception e) {
                System.err.printf("Connection failed - retrying in %d second(s).\n " + e, sleep / 1000);
                try {
                    Thread.sleep(sleep);
                } catch (Exception tie) {
                }
                if (sleep < 8000)
                    sleep += sleep;
            }
        }
        // Statistics manager objects from the connection, used to generate latency histogram
        ClientStatsContext fullStatsContext = ((IVoltDBConnection) Con).createStatsContext();
        periodicStatsContext = ((IVoltDBConnection) Con).createStatsContext();
        System.out.println("Connected.  Starting benchmark.");
        // Get a payload generator to create random Key-Value pairs to store in the database and process (uncompress) pairs retrieved from the database.
        final PayloadProcessor processor = new PayloadProcessor(config.keysize, config.minvaluesize, config.maxvaluesize, config.entropy, config.poolsize, config.usecompression);
        // Initialize the store
        if (config.preload) {
            System.out.print("Initializing data store... ");
            final PreparedStatement removeCS = Con.prepareStatement("DELETE FROM store;");
            final CallableStatement putCS = Con.prepareCall("{call STORE.upsert(?,?)}");
            for (int i = 0; i < config.poolsize; i++) {
                if (i == 0) {
                    removeCS.execute();
                }
                putCS.setString(1, String.format(processor.KeyFormat, i));
                putCS.setBytes(2, processor.generateForStore().getStoreValue());
                putCS.execute();
            }
            System.out.println(" Done.");
        }
        // start the stats
        fullStatsContext.fetchAndResetBaseline();
        periodicStatsContext.fetchAndResetBaseline();
        benchmarkStartTS = System.currentTimeMillis();
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // Create a Timer task to display performance data on the operating procedures
        Timer timer = new Timer();
        TimerTask statsPrinting = new TimerTask() {

            @Override
            public void run() {
                printStatistics();
            }
        };
        timer.scheduleAtFixedRate(statsPrinting, config.displayinterval * 1000l, config.displayinterval * 1000l);
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // Create multiple processing threads
        ArrayList<Thread> threads = new ArrayList<Thread>();
        for (int i = 0; i < config.threads; i++) threads.add(new Thread(new ClientThread(url, processor, config.duration, config.getputratio)));
        // Start threads
        for (Thread thread : threads) thread.start();
        // Wait for threads to complete
        for (Thread thread : threads) thread.join();
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // We're done - stop the performance statistics display task
        timer.cancel();
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // Now print application results:
        // stop and fetch the stats
        ClientStats stats = fullStatsContext.fetch().getStats();
        // 1. Store statistics as tracked by the application (ops counts, payload traffic)
        System.out.printf("\n-------------------------------------------------------------------------------------\n" + " Store Results\n" + "-------------------------------------------------------------------------------------\n\n" + "A total of %,d operations was posted...\n" + " - GETs: %,9d Operations (%,9d Misses/Failures)\n" + "         %,9d MB in compressed store data\n" + "         %,9d MB in uncompressed application data\n" + "         Network Throughput: %6.3f Gbps*\n\n" + " - PUTs: %,9d Operations (%,9d Failures)\n" + "         %,9d MB in compressed store data\n" + "         %,9d MB in uncompressed application data\n" + "         Network Throughput: %6.3f Gbps*\n\n" + " - Total Network Throughput: %6.3f Gbps*\n\n" + "* Figure includes key & value traffic but not database protocol overhead.\n" + "\n" + "-------------------------------------------------------------------------------------\n", GetStoreResults.get(0) + GetStoreResults.get(1) + PutStoreResults.get(0) + PutStoreResults.get(1), GetStoreResults.get(0), GetStoreResults.get(1), GetCompressionResults.get(0) / 1048576l, GetCompressionResults.get(1) / 1048576l, ((double) GetCompressionResults.get(0) + (GetStoreResults.get(0) + GetStoreResults.get(1)) * config.keysize) / (134217728d * config.duration), PutStoreResults.get(0), PutStoreResults.get(1), PutCompressionResults.get(0) / 1048576l, PutCompressionResults.get(1) / 1048576l, ((double) PutCompressionResults.get(0) + (PutStoreResults.get(0) + PutStoreResults.get(1)) * config.keysize) / (134217728d * config.duration), ((double) GetCompressionResults.get(0) + (GetStoreResults.get(0) + GetStoreResults.get(1)) * config.keysize) / (134217728d * config.duration) + ((double) PutCompressionResults.get(0) + (PutStoreResults.get(0) + PutStoreResults.get(1)) * config.keysize) / (134217728d * config.duration));
        System.out.println("\n\n-------------------------------------------------------------------------------------\n" + " Client Latency Statistics\n" + "-------------------------------------------------------------------------------------\n\n");
        System.out.printf("Average latency:               %,9.2f ms\n", stats.getAverageLatency());
        System.out.printf("10th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.1));
        System.out.printf("25th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.25));
        System.out.printf("50th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.5));
        System.out.printf("75th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.75));
        System.out.printf("90th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.9));
        System.out.printf("95th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.95));
        System.out.printf("99th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.99));
        System.out.printf("99.5th percentile latency:     %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.995));
        System.out.printf("99.9th percentile latency:     %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.999));
        System.out.println("\n\n" + stats.latencyHistoReport());
        // Dump statistics to a CSV file
        Con.unwrap(IVoltDBConnection.class).saveStatistics(stats, config.statsfile);
        Con.close();
    // ---------------------------------------------------------------------------------------------------------------------------------------------------
    } catch (Exception x) {
        System.out.println("Exception: " + x);
        x.printStackTrace();
    }
}

Example 49 with TimerTask

use of java.util.TimerTask in project voltdb by VoltDB.

the class KafkaImportBenchmark method scheduleCheckTimer.

protected static void scheduleCheckTimer() {
    final Timer timer = new Timer("checkTimer", true);
    final long period = config.displayinterval;
    timer.scheduleAtFixedRate(new TimerTask() {

        @Override
        public void run() {
            long count = 0;
            if (!config.useexport) {
                // imported count
                count = MatchChecks.getImportTableRowCount(config.alltypes, client);
            } else {
                // deleted count
                count = MatchChecks.getImportRowCount(client);
            }
            importProgress.add((int) count);
            if (config.alltypes) {
                // for alltypes, if a column in mirror doesn't match import, key will be a row key, and non-zero
                long key = MatchChecks.checkRowMismatch(client);
                if (key != 0) {
                    log.error("Import value mismatch at row " + key + ". Exiting.");
                    System.exit(-1);
                }
            }
            int sz = importProgress.size();
            if (sz > 1) {
                log.info("Import Throughput " + (count - importProgress.get(sz - 2)) / period + "/s, Total Rows: " + count);
            }
            log.info("Import stats: " + MatchChecks.getImportStats(client));
        }
    }, config.displayinterval * 1000, config.displayinterval * 1000);
}

Example 50 with TimerTask

use of java.util.TimerTask in project voltdb by VoltDB.

the class KafkaImportBenchmark method schedulePeriodicStats.

/**
     * Create a Timer task to display performance data on the Vote procedure
     * It calls printStatistics() every displayInterval seconds
     */
public static void schedulePeriodicStats() {
    statsTimer = new Timer("periodicStats", true);
    TimerTask statsPrinting = new TimerTask() {

        @Override
        public void run() {
            printStatistics();
        }
    };
    statsTimer.scheduleAtFixedRate(statsPrinting, config.displayinterval * 1000, config.displayinterval * 1000);
}