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From "Mike Drob (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-1453) Track tablet migrations and failed loads
Date Thu, 23 May 2013 21:55:20 GMT


Mike Drob commented on ACCUMULO-1453:

Large entries aren't the only problem - large indices can be real bad too.
> Track tablet migrations and failed loads
> ----------------------------------------
>                 Key: ACCUMULO-1453
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: master, tserver
>    Affects Versions: 1.5.0, 1.4.3
>            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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