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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2014/04/25 07:51:15 UTC

[jira] [Created] (HBASE-11074) Have PE emit histogram stats as it runs rather than dump once at end of test

stack created HBASE-11074:
-----------------------------

             Summary: Have PE emit histogram stats as it runs rather than dump once at end of test
                 Key: HBASE-11074
                 URL: https://issues.apache.org/jira/browse/HBASE-11074
             Project: HBase
          Issue Type: Improvement
          Components: Performance
            Reporter: stack
            Priority: Minor
         Attachments: 11074.txt

PE emits progress reading and writing.  Add to the progress emission current histogram snapshot readings.  Means don' t have to wait till test completes to get idea of latencies.  Here is sample:

{code}
2014-04-24 22:47:28,085 INFO  [TestClient-0] hbase.PerformanceEvaluation: 0/188730/1048576, Min=137.00, Mean=578.74, Max=5152756.00, StdDev=11884.79, 95th=1590.00, 99th=2950.68
2014-04-24 22:47:32,465 INFO  [TestClient-0] hbase.PerformanceEvaluation: 0/199215/1048576, Min=137.00, Mean=570.19, Max=5152756.00, StdDev=11591.56, 95th=1543.00, 99th=2911.00
2014-04-24 22:47:37,334 INFO  [TestClient-0] hbase.PerformanceEvaluation: 0/209700/1048576, Min=137.00, Mean=564.80, Max=5152756.00, StdDev=11317.96, 95th=1480.00, 99th=2863.00
{code}



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