[jira] [Created] (CASSANDRA-5933) 2.0 read performance is slower than 1.2

["Ryan McGuire (JIRA)" <ji...@apache.org>]

Ryan McGuire created CASSANDRA-5933:
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             Summary: 2.0 read performance is slower than 1.2
                 Key: CASSANDRA-5933
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5933
             Project: Cassandra
          Issue Type: Bug
            Reporter: Ryan McGuire
         Attachments: 1.2-faster-than-2.0.png

Over the course of several tests I have observed that 2.0 read performance is noticeably slower than 1.2

Example:

!1.2-faster-than-2.0.png!

[See test data here|http://ryanmcguire.info/ds/graph/graph.html?stats=stats.eager_retry.node_killed.json&metric=interval_op_rate&operation=stress-read&smoothing=1]

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