Examples with ClientStats org.voltdb.client.ClientStats used on opensource projects

Example 11 with ClientStats

use of org.voltdb.client.ClientStats in project voltdb by VoltDB.

the class RandomDataInserter method printReport.

void printReport() {
    // Get the client stats since the last time this method was called.
    ClientStats stats = periodicStatsContext.fetchAndResetBaseline().getStats();
    System.out.printf("  Insert Statistics:\n" + "    Throughput %d/s, Aborts/Failures %d/%d, Avg/95%% Latency %.2f/%dms\n", stats.getTxnThroughput(), stats.getInvocationAborts(), stats.getInvocationErrors(), stats.getAverageLatency(), stats.kPercentileLatency(0.95));
}

Example 12 with ClientStats

use of org.voltdb.client.ClientStats in project voltdb by VoltDB.

the class AggregationBenchmark method runBenchmark.

/**
     * Core benchmark code.
     * Connect. Initialize. Run the loop. Cleanup. Print Results.
     *
     * @throws Exception if anything unexpected happens.
     */
public void runBenchmark() throws Exception {
    // connect to one or more servers, loop until success
    connect(config.servers);
    if (config.restore > 0) {
        System.out.println("\nLoading data from snapshot...");
        restoreDatabase();
    }
    FileWriter fw = null;
    if ((config.statsfile != null) && (config.statsfile.length() != 0)) {
        fw = new FileWriter(config.statsfile);
    }
    System.out.print(HORIZONTAL_RULE);
    System.out.println("\nRunning Benchmark");
    System.out.println(HORIZONTAL_RULE);
    // Benchmark start time
    long queryStartTS, queryElapse;
    int counter = config.invocations;
    String procName = "Q" + config.proc;
    List<Long> m = new ArrayList<Long>();
    System.out.println(String.format("Running procedure %s for the %d times...", procName, counter));
    queryStartTS = System.nanoTime();
    VoltTable vt = null;
    for (int i = 1; i <= counter; i++) {
        vt = client.callProcedure(procName).getResults()[0];
        if (vt.getRowCount() <= 0) {
            System.err.println("ERROR Query %d empty result set");
            System.exit(-1);
        }
    }
    double avg = (double) (System.nanoTime() - queryStartTS) / counter;
    System.out.printf("\n\n(Returned %d rows in average %f us)\n", vt.getRowCount(), avg);
    // block until all outstanding txns return
    client.drain();
    //retrieve stats
    ClientStats stats = fullStatsContext.fetch().getStats();
    // write stats to file
    //client.writeSummaryCSV(stats, config.statsfile);
    fw.append(String.format("%s,%d,-1,0,0,0,0,%f,0,0,0,0,0,0\n", "Q" + String.format("%02d", config.proc), stats.getStartTimestamp(), avg / 1000.0));
    // close down the client connections
    client.close();
    if (fw != null)
        fw.close();
}

Example 13 with ClientStats

use of org.voltdb.client.ClientStats in project voltdb by VoltDB.

the class Benchmark method printResults.

/**
     * Prints the results of the voting simulation and statistics
     * about performance.
     *
     * @throws Exception if anything unexpected happens.
     */
public synchronized void printResults() throws Exception {
    ClientStats stats = fullStatsContext.fetch().getStats();
    // 1. Voting Board statistics, Voting results and performance statistics
    String display = "\n" + HORIZONTAL_RULE + " Results\n" + HORIZONTAL_RULE + "\nAstounding success\n";
    System.out.printf(display);
    // 3. Performance statistics
    System.out.print(HORIZONTAL_RULE);
    System.out.println(" Client Workload Statistics");
    System.out.println(HORIZONTAL_RULE);
    System.out.printf("Average throughput:            %,9d txns/sec\n", stats.getTxnThroughput());
    if (this.config.latencyreport) {
        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.print("\n" + HORIZONTAL_RULE);
        System.out.println(" System Server Statistics");
        System.out.println(HORIZONTAL_RULE);
        System.out.printf("Reported Internal Avg Latency: %,9.2f ms\n", stats.getAverageInternalLatency());
        System.out.print("\n" + HORIZONTAL_RULE);
        System.out.println(" Latency Histogram");
        System.out.println(HORIZONTAL_RULE);
        System.out.println(stats.latencyHistoReport());
    }
    // 4. Write stats to file if requested
    client.writeSummaryCSV(stats, config.statsfile);
}

Example 14 with ClientStats

use of org.voltdb.client.ClientStats in project voltdb by VoltDB.

the class JDBCBenchmark method printStatistics.

/**
     * Prints a one line update on performance that can be printed
     * periodically during a benchmark.
     */
public static synchronized void printStatistics() {
    ClientStats stats = periodicStatsContext.fetchAndResetBaseline().getStats();
    long time = Math.round((stats.getEndTimestamp() - benchmarkStartTS) / 1000.0);
    System.out.printf("%02d:%02d:%02d ", time / 3600, (time / 60) % 60, time % 60);
    System.out.printf("Throughput %d/s, ", stats.getTxnThroughput());
    System.out.printf("Aborts/Failures %d/%d, ", stats.getInvocationAborts(), stats.getInvocationErrors());
    System.out.printf("Avg/95%% Latency %.2f/%.2fms\n", stats.getAverageLatency(), stats.kPercentileLatencyAsDouble(0.95));
}

Example 15 with ClientStats

use of org.voltdb.client.ClientStats in project voltdb by VoltDB.

the class HTTPBenchmark method printStatistics.

/**
     * Prints a one line update on performance that can be printed periodically during a benchmark.
     */
public synchronized void printStatistics() {
    ClientStats stats = periodicStatsContext.fetchAndResetBaseline().getStats();
    // Print an ISO8601 timestamp (of the same kind Python logging uses) to help
    // log merger correlate correctly
    System.out.print(LOG_DF.format(new Date(stats.getEndTimestamp())));
    System.out.printf(" Throughput %d/s, ", stats.getTxnThroughput());
    System.out.printf("Aborts/Failures %d/%d, ", stats.getInvocationAborts(), stats.getInvocationErrors());
    System.out.printf("Avg/99.999%% Latency %.2f/%.2fms\n", stats.getAverageLatency(), stats.kPercentileLatencyAsDouble(0.99999));
    logMetric(stats);
}