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From "Ivan Burmistrov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
Date Fri, 23 Oct 2015 18:15:27 GMT
Ivan Burmistrov created CASSANDRA-10585:
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             Summary: SSTablesPerReadHistogram seems wrong when row cache hit happend
                 Key: CASSANDRA-10585
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10585
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Ivan Burmistrov
            Priority: Minor
             Fix For: 2.1.x


SSTablePerReadHistogram metric now not considers case when row has been read from row cache.
And so, this metric will have big values even almost all requests processed by row cache (and
without touching SSTables, of course).
So, it seems that correct behavior is to consider that if we read row from row cache then
we read zero SSTables by this request.




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