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From "Mike Drob (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-2535) large cluster failed to shutdown cleanly
Date Tue, 22 Apr 2014 20:50:14 GMT


Mike Drob commented on ACCUMULO-2535:

I think the major compaction should have been interrupted, so I'm not sure what the underlying
issue really is.

> large cluster failed to shutdown cleanly
> ----------------------------------------
>                 Key: ACCUMULO-2535
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.4.4
>         Environment: large cluster
>            Reporter: Eric Newton
> A large 1.4.4 cluster failed to shutdown cleanly.  It was stuck trying to unload 7 non-root
!METADATA tablets.  Master was sending "unload tablet" messages constantly, but the tserver
refused to unload the tablets.
> Examining the tserver logs of one server, it began a full major compaction, then received
the unload message, and finished the compaction.  The tablet was never unloaded.
> The cluster had ~400 metadata tablets overall.
> System recovered after a hard shutdown of the remaining 8 servers (7 metadata table servers
and 1 root tablet server).

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