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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-2645) tablet stuck unloading, and problem is hard to diagnose
Date Fri, 12 Sep 2014 17:52:37 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-2645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christopher Tubbs resolved ACCUMULO-2645.
-----------------------------------------
    Resolution: Fixed

Resolved as "Fixed" under new scope of making it easier to diagnose.

> tablet stuck unloading, and problem is hard to diagnose
> -------------------------------------------------------
>
>                 Key: ACCUMULO-2645
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2645
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.4.4
>         Environment: very large production cluster, CDH3u5
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>              Labels: newbie
>             Fix For: 1.6.1, 1.7.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
>  * master failed to balance
>  * custom balancer refused to balance while migrations were in place
>  * tablet server was not unloading the tablet
>  * tablet server was otherwise serving tablets, providing status
>  * memory dump determined that there were 21K UnloadTabletHandler objects
>  * jstack showed UnloadTabletHandler in Tablet.completeClose, line 2674
>  * the last print of the debug "completeClose(safeState=true, completeClose=true) occured
9 days ago
>  * there was a query that had been running for 9 days



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