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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