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From "Tianying Chang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7816) numericPersistentMetrics should be not be cleared for regions that are not being closed.
Date Mon, 11 Feb 2013 18:15:12 GMT
Tianying Chang created HBASE-7816:
-------------------------------------

             Summary: numericPersistentMetrics should be not be cleared for regions that are
not being closed. 
                 Key: HBASE-7816
                 URL: https://issues.apache.org/jira/browse/HBASE-7816
             Project: HBase
          Issue Type: Bug
          Components: metrics
    Affects Versions: 0.94.4
            Reporter: Tianying Chang
            Assignee: Tianying Chang
             Fix For: 0.94.4


when a region is closed, the region level dynamic metrics "numericPersistentMetrics" are cleared
for all regions on the same region servers. It is OK for numericMetrics and timeVaryingMetrics.
But not right for numericPersistentMetrics, because those value are accumulated and not be
reset at poll time. To keep the right value, only the metrics for the closed region should
be cleared, numericPersistentMetrics for other regions should be kept. 

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