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Posted to notifications@accumulo.apache.org by "Mike Drob (JIRA)" <ji...@apache.org> on 2013/05/22 21:40:21 UTC

[jira] [Created] (ACCUMULO-1453) Track tablet migrations and failed loads

Mike Drob created ACCUMULO-1453:
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             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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