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commit 5aa4417805e2148e77dcd31d39c92aceec7cfe92 Author: Junegunn Choi <[email protected]> AuthorDate: Mon Jan 13 20:41:00 2025 +0900 HBASE-29040 Fix description of "sampleRate" of PerformanceEvaluation (#6558) Signed-off-by: Duo Zhang <[email protected]> (cherry picked from commit 670deaa1d6020b1f603819504f95e016c1e06dbb) --- .../src/main/java/org/apache/hadoop/hbase/PerformanceEvaluation.java | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/PerformanceEvaluation.java b/hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/PerformanceEvaluation.java index 9698ae9376e..876a2640054 100644 --- a/hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/PerformanceEvaluation.java +++ b/hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/PerformanceEvaluation.java @@ -1196,7 +1196,7 @@ public class PerformanceEvaluation extends Configured implements Tool { this.opts = options; this.status = status; this.testName = this.getClass().getSimpleName(); - everyN = (long) (opts.totalRows / (opts.totalRows * opts.sampleRate)); + everyN = (long) (1 / opts.sampleRate); if (options.isValueZipf()) { this.zipf = new RandomDistribution.Zipf(ThreadLocalRandom.current(), 1, options.getValueSize(), 1.2); @@ -2699,8 +2699,7 @@ public class PerformanceEvaluation extends Configured implements Tool { + "Default: depend on oneCon parameter. if oneCon set to true, then connCount=1, " + "if not, connCount=thread number"); - System.err.println(" sampleRate Execute test on a sample of total " - + "rows. Only supported by randomRead. Default: 1.0"); + System.err.println(" sampleRate Execute test on a sample of total rows. Default: 1.0"); System.err.println(" period Report every 'period' rows: " + "Default: opts.perClientRunRows / 10 = " + DEFAULT_OPTS.getPerClientRunRows() / 10); System.err.println(" cycles How many times to cycle the test. Defaults: 1.");
