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From "Mayank Bansal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-956) [YARN-321] Add a testable in-memory HistoryStorage
Date Wed, 23 Oct 2013 21:12:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13803340#comment-13803340

Mayank Bansal commented on YARN-956:

Thanks [~vinodkv] for the review.

Earlier I had the same discussion with [~zjshen] offline and I pointed the same point for
static variables. Zhijie convinced me for static saying that we should only have one store
per system. I think there is a point to that because if somebody just wants to use the memory
store for some reason for AHS then it would be very hard for us to support. Else we have to
tell them memory store is just for testing and if they want to use something like that then
they have to write their own store.


> [YARN-321] Add a testable in-memory HistoryStorage 
> ---------------------------------------------------
>                 Key: YARN-956
>                 URL: https://issues.apache.org/jira/browse/YARN-956
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Zhijie Shen
>             Fix For: YARN-321
>         Attachments: YARN-956-1.patch, YARN-956-2.patch, YARN-956-3.patch, YARN-956.4.patch,
YARN-956.5.patch, YARN-956.6.patch

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