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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3054) Improve notion of "health" in replication servlet
Date Fri, 08 Aug 2014 21:25:12 GMT
Josh Elser created ACCUMULO-3054:
------------------------------------

             Summary: Improve notion of "health" in replication servlet
                 Key: ACCUMULO-3054
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3054
             Project: Accumulo
          Issue Type: Improvement
          Components: monitor, replication
            Reporter: Josh Elser
            Assignee: Josh Elser
             Fix For: 1.7.0


[~ecn] suggested to me that the replication servlet could be updated to be more clear about
what is healthy and what is not. Update the servlet to compute a general measure of "healthy",
"potentially unhealthy", and "not healthy at all".

Generally speaking, we have to temper the amount of replication backlog in with the size of
the system we're working against. A backlog of 50 files could be expected when running with
25+ tservers, while 15 files would be indicative of a problem with only 2 tservers.



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