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From "Eric Newton (JIRA)" <>
Subject [jira] [Resolved] (ACCUMULO-1408) unresponsive !METADATA table seen on a very large cluster
Date Tue, 19 Nov 2013 14:49:21 GMT


Eric Newton resolved ACCUMULO-1408.

    Resolution: Cannot Reproduce

> unresponsive !METADATA table seen on a very large cluster
> ---------------------------------------------------------
>                 Key: ACCUMULO-1408
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.4.3
>         Environment: large cluster
>            Reporter: Eric Newton
>            Assignee: Eric Newton
> On a large cluster, saw an unresponsive !METADATA table; this resulted in hundreds of
simultaneous scans of the root tablet.  tservers did not look busy.  They had lots of data
available on their recv network queues, and nothing out their output queues.  Most of these
recv buffers did not change over time.  After killing these unresponsive servers the system
> HDFS was about 80% full.
> accumulo was running over CDH3u5.

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