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https://issues.apache.org/jira/browse/YARN-1366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anubhav Dhoot updated YARN-1366:
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Attachment: YARN-1366.prototype.patch
Added resync and refactored [~rohithsharma]'s changes
> ApplicationMasterService should Resync with the AM upon allocate call after
> restart
> -----------------------------------------------------------------------------------
>
> Key: YARN-1366
> URL: https://issues.apache.org/jira/browse/YARN-1366
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Bikas Saha
> Attachments: YARN-1366.patch, YARN-1366.prototype.patch
>
>
> The ApplicationMasterService currently sends a resync response to which the
> AM responds by shutting down. The AM behavior is expected to change to
> calling resyncing with the RM. Resync means resetting the allocate RPC
> sequence number to 0 and the AM should send its entire outstanding request to
> the RM. Note that if the AM is making its first allocate call to the RM then
> things should proceed like normal without needing a resync. The RM will
> return all containers that have completed since the RM last synced with the
> AM. Some container completions may be reported more than once.
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