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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1363) Get / Cancel / Renew delegation token api should be non blocking
Date Fri, 13 Dec 2013 06:17:08 GMT

     [ https://issues.apache.org/jira/browse/YARN-1363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhijie Shen updated YARN-1363:
------------------------------

    Attachment: YARN-1363.3.patch

Upload a new patch which include test cases and some bug fixes

> Get / Cancel / Renew delegation token api should be non blocking
> ----------------------------------------------------------------
>
>                 Key: YARN-1363
>                 URL: https://issues.apache.org/jira/browse/YARN-1363
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Omkar Vinit Joshi
>            Assignee: Zhijie Shen
>         Attachments: YARN-1363.1.patch, YARN-1363.2.patch, YARN-1363.3.patch
>
>
> Today GetDelgationToken, CancelDelegationToken and RenewDelegationToken are all blocking
apis.
> * As a part of these calls we try to update RMStateStore and that may slow it down.
> * Now as we have limited number of client request handlers we may fill up client handlers
quickly.



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