HBASE-15405 Fix PE logging and wrong defaults in help message. (Apekshit)
Change-Id: Ib3007fae8d05e651b62bf4c15352ed43ea79e739
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@ -65,7 +65,7 @@ public final class YammerHistogramUtils {
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/** @return a summary of {@code hist}. */
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public static String getHistogramReport(final Histogram hist) {
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Snapshot sn = hist.getSnapshot();
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return ", mean=" + DOUBLE_FORMAT.format(sn.getMean()) +
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return "mean=" + DOUBLE_FORMAT.format(sn.getMean()) +
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", min=" + DOUBLE_FORMAT.format(sn.getMin()) +
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", max=" + DOUBLE_FORMAT.format(sn.getMax()) +
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", stdDev=" + DOUBLE_FORMAT.format(sn.getStdDev()) +
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@ -77,4 +77,21 @@ public final class YammerHistogramUtils {
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", 99.99th=" + DOUBLE_FORMAT.format(sn.getValue(0.9999)) +
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", 99.999th=" + DOUBLE_FORMAT.format(sn.getValue(0.99999));
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}
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/** @return pretty summary of {@code hist}. */
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public static String getPrettyHistogramReport(final Histogram h) {
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Snapshot sn = h.getSnapshot();
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return
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"Mean = " + DOUBLE_FORMAT.format(sn.getMean()) + "\n" +
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"Min = " + DOUBLE_FORMAT.format(sn.getMin()) + "\n" +
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"Max = " + DOUBLE_FORMAT.format(sn.getMax()) + "\n" +
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"StdDev = " + DOUBLE_FORMAT.format(sn.getStdDev()) + "\n" +
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"50th = " + DOUBLE_FORMAT.format(sn.getMedian()) + "\n" +
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"75th = " + DOUBLE_FORMAT.format(sn.get75thPercentile()) + "\n" +
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"95th = " + DOUBLE_FORMAT.format(sn.get95thPercentile()) + "\n" +
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"99th = " + DOUBLE_FORMAT.format(sn.get99thPercentile()) + "\n" +
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"99.9th = " + DOUBLE_FORMAT.format(sn.get999thPercentile()) + "\n" +
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"99.99th = " + DOUBLE_FORMAT.format(sn.getValue(0.9999)) + "\n" +
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"99.999th = " + DOUBLE_FORMAT.format(sn.getValue(0.99999));
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}
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}
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@ -989,8 +989,8 @@ public class PerformanceEvaluation extends Configured implements Tool {
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// protected Table table;
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private String testName;
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private Histogram latency;
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private Histogram valueSize;
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private Histogram latencyHistogram;
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private Histogram valueSizeHistogram;
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private RandomDistribution.Zipf zipf;
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/**
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@ -1041,7 +1041,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
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void updateValueSize(final int valueSize) {
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if (!isRandomValueSize()) return;
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this.valueSize.update(valueSize);
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this.valueSizeHistogram.update(valueSize);
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}
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String generateStatus(final int sr, final int i, final int lr) {
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@ -1060,8 +1060,8 @@ public class PerformanceEvaluation extends Configured implements Tool {
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/**
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* Populated by testTakedown. Only implemented by RandomReadTest at the moment.
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*/
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public Histogram getLatency() {
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return latency;
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public Histogram getLatencyHistogram() {
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return latencyHistogram;
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}
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void testSetup() throws IOException {
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@ -1069,16 +1069,28 @@ public class PerformanceEvaluation extends Configured implements Tool {
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this.connection = ConnectionFactory.createConnection(conf);
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}
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onStartup();
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latency = YammerHistogramUtils.newHistogram(new UniformReservoir(1024 * 500));
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valueSize = YammerHistogramUtils.newHistogram(new UniformReservoir(1024 * 500));
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latencyHistogram = YammerHistogramUtils.newHistogram(new UniformReservoir(1024 * 500));
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valueSizeHistogram = YammerHistogramUtils.newHistogram(new UniformReservoir(1024 * 500));
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}
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abstract void onStartup() throws IOException;
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void testTakedown() throws IOException {
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reportLatency();
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reportValueSize();
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onTakedown();
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// Print all stats for this thread continuously.
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// Synchronize on Test.class so different threads don't intermingle the
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// output. We can't use 'this' here because each thread has its own instance of Test class.
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synchronized (Test.class) {
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status.setStatus("Test : " + testName + ", Thread : " + Thread.currentThread().getName());
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status.setStatus("Latency (us) : " + YammerHistogramUtils.getHistogramReport(
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latencyHistogram));
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status.setStatus("Num measures (latency) : " + latencyHistogram.getCount());
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status.setStatus(YammerHistogramUtils.getPrettyHistogramReport(latencyHistogram));
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status.setStatus("ValueSize (bytes) : "
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+ YammerHistogramUtils.getHistogramReport(valueSizeHistogram));
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status.setStatus("Num measures (ValueSize): " + valueSizeHistogram.getCount());
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status.setStatus(YammerHistogramUtils.getPrettyHistogramReport(valueSizeHistogram));
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}
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if (!opts.oneCon) {
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connection.close();
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}
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@ -1131,7 +1143,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
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scope.close();
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}
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if ( (i - startRow) > opts.measureAfter) {
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latency.update((System.nanoTime() - startTime) / 1000);
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latencyHistogram.update((System.nanoTime() - startTime) / 1000);
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if (status != null && i > 0 && (i % getReportingPeriod()) == 0) {
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status.setStatus(generateStatus(startRow, i, lastRow));
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}
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@ -1140,49 +1152,18 @@ public class PerformanceEvaluation extends Configured implements Tool {
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}
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}
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/**
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* report percentiles of latency
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* @throws IOException
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*/
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private void reportLatency() throws IOException {
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status.setStatus(testName + " latency log (microseconds), on " +
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latency.getCount() + " measures");
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reportHistogram(this.latency);
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}
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private void reportValueSize() throws IOException {
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status.setStatus(testName + " valueSize after " +
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valueSize.getCount() + " measures");
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reportHistogram(this.valueSize);
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}
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private void reportHistogram(final Histogram h) throws IOException {
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Snapshot sn = h.getSnapshot();
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status.setStatus(testName + " Min = " + sn.getMin());
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status.setStatus(testName + " Avg = " + sn.getMean());
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status.setStatus(testName + " StdDev = " + sn.getStdDev());
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status.setStatus(testName + " 50th = " + sn.getMedian());
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status.setStatus(testName + " 75th = " + sn.get75thPercentile());
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status.setStatus(testName + " 95th = " + sn.get95thPercentile());
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status.setStatus(testName + " 99th = " + sn.get99thPercentile());
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status.setStatus(testName + " 99.9th = " + sn.get999thPercentile());
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status.setStatus(testName + " 99.99th = " + sn.getValue(0.9999));
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status.setStatus(testName + " 99.999th = " + sn.getValue(0.99999));
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status.setStatus(testName + " Max = " + sn.getMax());
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}
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/**
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* @return Subset of the histograms' calculation.
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*/
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public String getShortLatencyReport() {
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return YammerHistogramUtils.getShortHistogramReport(this.latency);
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return YammerHistogramUtils.getShortHistogramReport(this.latencyHistogram);
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}
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/**
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* @return Subset of the histograms' calculation.
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*/
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public String getShortValueSizeReport() {
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return YammerHistogramUtils.getShortHistogramReport(this.valueSize);
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return YammerHistogramUtils.getShortHistogramReport(this.valueSizeHistogram);
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}
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/*
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@ -1778,7 +1759,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
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" (" + calculateMbps((int)(opts.perClientRunRows * opts.sampleRate), totalElapsedTime,
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getAverageValueLength(opts), opts.columns) + ")");
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return new RunResult(totalElapsedTime, t.getLatency());
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return new RunResult(totalElapsedTime, t.getLatencyHistogram());
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}
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private static int getAverageValueLength(final TestOptions opts) {
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@ -1834,20 +1815,22 @@ public class PerformanceEvaluation extends Configured implements Tool {
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System.err.println(" sampleRate Execute test on a sample of total " +
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"rows. Only supported by randomRead. Default: 1.0");
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System.err.println(" period Report every 'period' rows: " +
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"Default: opts.perClientRunRows / 10");
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"Default: opts.perClientRunRows / 10 = " + DEFAULT_OPTS.getPerClientRunRows()/10);
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System.err.println(" cycles How many times to cycle the test. Defaults: 1.");
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System.err.println(" traceRate Enable HTrace spans. Initiate tracing every N rows. " +
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"Default: 0");
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System.err.println(" latency Set to report operation latencies. Default: False");
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System.err.println(" measureAfter Start to measure the latency once 'measureAfter'" +
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" rows have been treated. Default: 0");
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System.err.println(" valueSize Pass value size to use: Default: 1024");
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System.err.println(" valueSize Pass value size to use: Default: "
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+ DEFAULT_OPTS.getValueSize());
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System.err.println(" valueRandom Set if we should vary value size between 0 and " +
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"'valueSize'; set on read for stats on size: Default: Not set.");
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System.err.println();
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System.err.println("Table Creation / Write Tests:");
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System.err.println(" table Alternate table name. Default: 'TestTable'");
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System.err.println(" rows Rows each client runs. Default: One million");
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System.err.println(" rows Rows each client runs. Default: "
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+ DEFAULT_OPTS.getPerClientRunRows());
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System.err.println(" size Total size in GiB. Mutually exclusive with --rows. " +
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"Default: 1.0.");
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System.err.println(" compress Compression type to use (GZ, LZO, ...). Default: 'NONE'");
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@ -1875,7 +1858,8 @@ public class PerformanceEvaluation extends Configured implements Tool {
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System.err.println(" inmemory Tries to keep the HFiles of the CF " +
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"inmemory as far as possible. Not guaranteed that reads are always served " +
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"from memory. Default: false");
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System.err.println(" bloomFilter Bloom filter type, one of " + Arrays.toString(BloomType.values()));
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System.err.println(" bloomFilter Bloom filter type, one of "
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+ Arrays.toString(BloomType.values()));
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System.err.println(" addColumns Adds columns to scans/gets explicitly. Default: true");
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System.err.println(" replicas Enable region replica testing. Defaults: 1.");
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System.err.println(" randomSleep Do a random sleep before each get between 0 and entered value. Defaults: 0");
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@ -1892,9 +1876,8 @@ public class PerformanceEvaluation extends Configured implements Tool {
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}
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System.err.println();
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System.err.println("Args:");
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System.err.println(" nclients Integer. Required. Total number of " +
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"clients (and HRegionServers)");
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System.err.println(" running: 1 <= value <= 500");
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System.err.println(" nclients Integer. Required. Total number of clients "
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+ "(and HRegionServers) running. 1 <= value <= 500");
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System.err.println("Examples:");
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System.err.println(" To run a single client doing the default 1M sequentialWrites:");
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System.err.println(" $ bin/hbase " + className + " sequentialWrite 1");
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