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https://issues.apache.org/jira/browse/YARN-1363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen updated YARN-1363:
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Attachment: YARN-1363.4.patch
Fix test failures and findbugs warnings.
TestJHSSecurity failure is however, not related. Ran it locally, and the
failure happened on trunk as well. Will file another jira to track it.
> 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,
> YARN-1363.4.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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