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Posted to dev@accumulo.apache.org by "Eric Newton (JIRA)" <ji...@apache.org> on 2012/06/05 21:52:22 UTC
[jira] [Created] (ACCUMULO-621) master fails to shutdown
Eric Newton created ACCUMULO-621:
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Summary: master fails to shutdown
Key: ACCUMULO-621
URL: https://issues.apache.org/jira/browse/ACCUMULO-621
Project: Accumulo
Issue Type: Bug
Components: master
Affects Versions: 1.4.0, 1.3.5
Reporter: Eric Newton
Assignee: Eric Newton
Priority: Minor
The functional test "ShutdownDuringStart" found a rare issue with shutdown.
* master starts
* assigns root tablet
* goal state is switch to CLEAN_STOP
* master assigns non-root METADATA tablets
* master transitions into UNLOAD_NON_ROOT_METADATA
* master sees the METADATA tablets are not loaded
* master transitions into UNLOAD_ROOT_TABLET
* tablet server loads the METADATA tablets
* master unloads the root tablet
* tablet server cannot change the state of the METADATA tables
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[jira] [Commented] (ACCUMULO-621) master fails to shutdown
Posted by "Eric Newton (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ACCUMULO-621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289669#comment-13289669 ]
Eric Newton commented on ACCUMULO-621:
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There are three loops that migrate the tablets to the offline state. The root tablet, the non-root metadata tablets, and all the rest. Each loop needs to wait for the next to be be stopped before they can begin offlining their tablets.
> master fails to shutdown
> ------------------------
>
> Key: ACCUMULO-621
> URL: https://issues.apache.org/jira/browse/ACCUMULO-621
> Project: Accumulo
> Issue Type: Bug
> Components: master
> Affects Versions: 1.4.0, 1.3.5
> Reporter: Eric Newton
> Assignee: Eric Newton
> Priority: Minor
>
> The functional test "ShutdownDuringStart" found a rare issue with shutdown.
> * master starts
> * assigns root tablet
> * goal state is switch to CLEAN_STOP
> * master assigns non-root METADATA tablets
> * master transitions into UNLOAD_NON_ROOT_METADATA
> * master sees the METADATA tablets are not loaded
> * master transitions into UNLOAD_ROOT_TABLET
> * tablet server loads the METADATA tablets
> * master unloads the root tablet
> * tablet server cannot change the state of the METADATA tables
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