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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2962) ZKRMStateStore: Limit the number of znodes under a znode
Date Wed, 03 May 2017 14:25:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-2962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15994963#comment-15994963
] 

Varun Saxena commented on YARN-2962:
------------------------------------

Thanks a lot [~templedf] for the review and commit. This JIRA was pending since a long time.

The attempt in the patch was to have seamless transition from one split index to another and/or
from previous version to this one.
We look through alternate paths to decide where application is stored.

Thanks [~kasha] and [~asuresh] for the reviews as well.

> ZKRMStateStore: Limit the number of znodes under a znode
> --------------------------------------------------------
>
>                 Key: YARN-2962
>                 URL: https://issues.apache.org/jira/browse/YARN-2962
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Karthik Kambatla
>            Assignee: Varun Saxena
>            Priority: Critical
>             Fix For: 2.9.0, 3.0.0-alpha3
>
>         Attachments: YARN-2962.006.patch, YARN-2962.007.patch, YARN-2962.008.patch, YARN-2962.008.patch,
YARN-2962.009.patch, YARN-2962.010.patch, YARN-2962.011.patch, YARN-2962.01.patch, YARN-2962.04.patch,
YARN-2962.05.patch, YARN-2962.2.patch, YARN-2962.3.patch
>
>
> We ran into this issue where we were hitting the default ZK server message size configs,
primarily because the message had too many znodes even though they individually they were
all small.



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