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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-1363.6.patch
Create a new patch:
1. Update against the latest trunk
2. Refactor some code
3. Make cancel/renew in RMDelegationTokenIndentifier async as well
4. Fix some test issues.
> 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, YARN-1363.5.patch, YARN-1363.6.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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