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From "Ryan McGuire (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-5243) cassandra-stress aggregate statistics
Date Tue, 12 Feb 2013 00:39:13 GMT
Ryan McGuire created CASSANDRA-5243:
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             Summary: cassandra-stress aggregate statistics
                 Key: CASSANDRA-5243
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5243
             Project: Cassandra
          Issue Type: Improvement
          Components: Tools
            Reporter: Ryan McGuire


cassandra-stress should output some aggregated statistics for the data that it outputs. In
testing the performance of a Cassandra cluster it's useful to look at the performance by establishing
what the average read/write rate is during the middle 80% of a stress job (the first and last
10% being outliers as the cluster is starting and stopping a big operation.)

I've implemented this to add these stats to the end of the cassandra-stress output. It also
adds a command line option to turn it off it's not desired.

My branch here: https://github.com/EnigmaCurry/cassandra/commit/157993d087015b17267e613a458d5bc8bd36a888

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