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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3306) Add better cache hit ratio statistics for LRU
Date Fri, 03 Dec 2010 17:52:11 GMT
Add better cache hit ratio statistics for LRU
---------------------------------------------

                 Key: HBASE-3306
                 URL: https://issues.apache.org/jira/browse/HBASE-3306
             Project: HBase
          Issue Type: Improvement
          Components: io, regionserver
            Reporter: Jonathan Gray
            Assignee: Jonathan Gray
             Fix For: 0.92.0


Currently the hit ratio is a lifetime ratio.  We should have some kind of rolling window stats,
like ratio over the past hour.

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