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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-1453) Track tablet migrations and failed loads
Date Wed, 22 May 2013 19:40:21 GMT
Mike Drob created ACCUMULO-1453:
-----------------------------------

             Summary: Track tablet migrations and failed loads
                 Key: ACCUMULO-1453
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1453
             Project: Accumulo
          Issue Type: Improvement
          Components: master, tserver
    Affects Versions: 1.4.3, 1.5.0
            Reporter: Mike Drob


If a bad RFile or Tablet somehow gets in the system and brings down a tserver, then as the
master migrates it to other servers it will likely cause cascading failures.

It might be a good idea to keep track of how many consecutive failures to load there are for
a given tablet, and either warn or refuse to host the tablet if this value exceeds a given
threshold.

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