Examples of org.voltdb.client.ClientStats.kPercentileLatencyAsDouble()

org.voltdb.client.ClientStats.kPercentileLatencyAsDouble()

Using the latency bucketing statistics gathered by the client, estimate the k-percentile latency value for the time period covered by this stats instance.

For example, k=.5 returns an estimate of the median. k=0 returns the minimum. k=1.0 returns the maximum.

Latencies longer than the highest trackable value (10 seconds) will be reported as multiple entries at the highest trackable value
@param percentile A floating point number between 0.0 and 1.0. @return An estimate of k-percentile latency in whole milliseconds.

        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));
    }


    /**
     * Prints the results of the voting simulation and statistics
     * about performance.

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        System.out.println(" Client Workload Statistics");
        System.out.println(HORIZONTAL_RULE);


        System.out.printf("Average throughput:            %,9d txns/sec\n", stats.getTxnThroughput());
        System.out.printf("Average latency:               %,9.2f ms\n", stats.getAverageLatency());
        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.print("\n" + HORIZONTAL_RULE);
        System.out.println(" System Server Statistics");
        System.out.println(HORIZONTAL_RULE);

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        System.out.println(HORIZONTAL_RULE);


        System.out.printf("Average throughput:            %,9d txns/sec\n", stats.getTxnThroughput());
        System.out.printf("Average latency:               %,9.2f ms\n", stats.getAverageLatency());
        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.print("\n" + HORIZONTAL_RULE);
        System.out.println(" System Server Statistics");
        System.out.println(HORIZONTAL_RULE);

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        System.out.printf("%02d:%02d:%02d ", time / 3600, (time / 60) % 60, time % 60);
        System.out.printf("Throughput %d/s, ", stats.getTxnThroughput());
        System.out.printf("Txns Completed %d ", stats.getInvocationsCompleted());
        System.out.printf("Avg/95%% Latency %.2f/%.2fms\n", stats.getAverageLatency(),
                          stats.kPercentileLatencyAsDouble(0.95));
        System.out.println("");
    }


    /**
     * Writes the diff values to the csv file.

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        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));
        stats = mpPeriodicStatsContext.fetchAndResetBaseline().getStats();
        System.out.printf("%02d:%02d:%02d ", time / 3600, (time / 60) % 60, time % 60);
        System.out.printf("MP Throughput %d/s, ", stats.getTxnThroughput());
        System.out.printf("Aborts/Failures %d/%d, ",
                stats.getInvocationAborts(), stats.getInvocationErrors());

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        System.out.printf("%02d:%02d:%02d ", time / 3600, (time / 60) % 60, time % 60);
        System.out.printf("MP 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));
    }


    /**
     * Prints the results of the voting simulation and statistics
     * about performance.

View Full Code Here

        System.out.println(" Client Workload Statistics");
        System.out.println(HORIZONTAL_RULE);


        System.out.printf("Average throughput:            %,9d txns/sec\n", stats.getTxnThroughput());
        System.out.printf("Average latency:               %,9.2f ms\n", stats.getAverageLatency());
        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));


        for (Entry<String, ClientStats> e : fullStatsContext.getStatsByProc().entrySet()) {
            System.out.println("\nPROC: " + e.getKey());
            System.out.printf("Average throughput:            %,9d txns/sec\n", e.getValue().getTxnThroughput());

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        System.out.println(HORIZONTAL_RULE);


        System.out.printf("Average throughput:            %,9d txns/sec\n", stats.getTxnThroughput());
        System.out.printf("Average latency:               %,9.2f ms\n", stats.getAverageLatency());
        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));


        for (Entry<String, ClientStats> e : fullStatsContext.getStatsByProc().entrySet()) {
            System.out.println("\nPROC: " + e.getKey());
            System.out.printf("Average throughput:            %,9d txns/sec\n", e.getValue().getTxnThroughput());
            System.out.printf("Average latency:               %,9.2f ms\n", e.getValue().getAverageLatency());

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            System.out.printf("%s ", dateformat(getTime()));
            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));
            if(totalConnections.get() == -1 && stats.getTxnThroughput() == 0) {
                if(!config.recover) {
                    String errMsg = "Lost all connections. Exit...";
                    exitOnError(errMsg);
                }

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        System.out.println(" Client Workload Statistics");
        System.out.println(HORIZONTAL_RULE);


        System.out.printf("Average throughput:            %,9d txns/sec\n", stats.getTxnThroughput());
        System.out.printf("Average latency:               %,9.2f ms\n", stats.getAverageLatency());
        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.print("\n" + HORIZONTAL_RULE);
        System.out.println(" System Server Statistics");
        System.out.println(HORIZONTAL_RULE);

View Full Code Here

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