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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3774) ZKRMStateStore should use CuratorOp
Date Mon, 17 Apr 2017 18:26:42 GMT

     [ https://issues.apache.org/jira/browse/YARN-3774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Robert Kanter updated YARN-3774:
    Attachment: YARN-3774.001.patch

I talked with Karthik about this and there isn't anything to do here other than remove the
comment about it in the code.  Curator 3.x has a newer Transaction API that looks a bit different,
and has deprecated the one we're using, but we're going to stay on Curator 2.x to continue
supporting ZooKeeper 3.4.x for now, so it's not deprecated.  And we're already using the latest
version of Curator 2.x (2.12.0).

> ZKRMStateStore should use CuratorOp
> -----------------------------------
>                 Key: YARN-3774
>                 URL: https://issues.apache.org/jira/browse/YARN-3774
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.8.0
>            Reporter: Karthik Kambatla
>            Assignee: Robert Kanter
>            Priority: Critical
>         Attachments: YARN-3774.001.patch
> YARN-2716 changes ZKRMStateStore to use Curator. Transactions added there are somewhat
involved, and could be improved using CuratorOp introduced in Curator 3.0. Hadoop 3.0.0 would
be a good time to upgrade the Curator version and make this change. 
> Curator is considering shading guava through CURATOR-200. In Hadoop 3, we should upgrade
to the next Curator version.

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