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From "Benoit Sigoure (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-3859) Increment a counter when a Scanner lease expires
Date Thu, 05 May 2011 20:31:03 GMT
Increment a counter when a Scanner lease expires

                 Key: HBASE-3859
                 URL: https://issues.apache.org/jira/browse/HBASE-3859
             Project: HBase
          Issue Type: Improvement
          Components: regionserver
    Affects Versions: 0.90.2
            Reporter: Benoit Sigoure
            Priority: Minor

Whenever a Scanner lease expires, the RegionServer will close it automatically and log a message
to complain.  I would like the RegionServer to increment a counter whenever this happens and
expose this counter through the metrics system, so we can plug this into our monitoring system
(OpenTSDB) and keep track of how frequently this happens.  It's not supposed to happen frequently
so it's good to keep an eye on it.

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