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From "Mikhail Bautin (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4686) [89-fb] Fix per-store metrics aggregation
Date Thu, 27 Oct 2011 18:32:32 GMT
[89-fb] Fix per-store metrics aggregation 
------------------------------------------

                 Key: HBASE-4686
                 URL: https://issues.apache.org/jira/browse/HBASE-4686
             Project: HBase
          Issue Type: Bug
            Reporter: Mikhail Bautin
            Assignee: Mikhail Bautin


In r1182034 per-Store metrics were broken, because the aggregation of StoreFile metrics over
all stores in a region was replaced by overriding them every time. We saw these metrics drop
by a factor of numRegions on a production cluster -- thanks to Kannan for noticing this! 
We need to fix the metrics and add a unit test to ensure regressions like this don't happen
in the future.

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