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Posted to notifications@accumulo.apache.org by "Eric Newton (JIRA)" <ji...@apache.org> on 2014/04/07 21:47:17 UTC
[jira] [Commented] (ACCUMULO-2645) tablet stuck unloading
[ https://issues.apache.org/jira/browse/ACCUMULO-2645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13962178#comment-13962178 ]
Eric Newton commented on ACCUMULO-2645:
---------------------------------------
I should mention that the query runs a very complex iterator stack.
> tablet stuck unloading
> ----------------------
>
> 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
>
> * 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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