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From "Anubhav Dhoot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3736) Add RMStateStore apis to store and load accepted reservations for failover
Date Mon, 03 Aug 2015 20:51:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652496#comment-14652496
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Anubhav Dhoot commented on YARN-3736:
-------------------------------------

Thanks [~asuresh] for the review. Regarding (1), since its a compatible change (Adding of
new state without modifying existing state) i think we can change it to 1.3.

> Add RMStateStore apis to store and load accepted reservations for failover
> --------------------------------------------------------------------------
>
>                 Key: YARN-3736
>                 URL: https://issues.apache.org/jira/browse/YARN-3736
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler, fairscheduler, resourcemanager
>            Reporter: Subru Krishnan
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-3736.001.patch, YARN-3736.001.patch, YARN-3736.002.patch, YARN-3736.003.patch
>
>
> We need to persist the current state of the plan, i.e. the accepted ReservationAllocations
& corresponding RLESpareseResourceAllocations  to the RMStateStore so that we can recover
them on RM failover. This involves making all the reservation system data structures protobuf
friendly.



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