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https://issues.apache.org/jira/browse/YARN-1354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-1354:
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Attachment: YARN-1354-v2-and-YARN-1987-and-YARN-1362.patch
Updating the patch to address the DBException handling that was brought up in
the MAPREDUCE-5652 review and applies here. Note that this now depends upon
YARN-1987 as that provides the utility wrapper for the leveldb iterator to
translate raw RuntimeException to the more helpful DBException so we can act
accordingly when errors occur.
This patch also addresses the issue where apps were being cleaned up on
shutdown. This leverages YARN-1362 so we can distinguish a decommission
shutdown, and it will avoid cleaning up applications if the state store can
recover and we are not being decommissioned. The other notable change in the
patch is renaming LevelDB to Leveldb for consistency with the existing
LeveldbTimelineStore naming convention.
This latest patch includes the necessary pieces of YARN-1987 and YARN-1362 so
it can compile and Jenkins can comment.
> Recover applications upon nodemanager restart
> ---------------------------------------------
>
> Key: YARN-1354
> URL: https://issues.apache.org/jira/browse/YARN-1354
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 2.3.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Attachments: YARN-1354-v1.patch,
> YARN-1354-v2-and-YARN-1987-and-YARN-1362.patch
>
>
> The set of active applications in the nodemanager context need to be
> recovered for work-preserving nodemanager restart
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