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https://issues.apache.org/jira/browse/TWILL-231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ali Anwar updated TWILL-231:
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Affects Version/s: 0.11.0
> YarnTwillRunnerService should renew delegation tokens in parallel
> -----------------------------------------------------------------
>
> Key: TWILL-231
> URL: https://issues.apache.org/jira/browse/TWILL-231
> Project: Apache Twill
> Issue Type: Improvement
> Affects Versions: 0.11.0
> Reporter: Ali Anwar
>
> Currently, YarnTwillRunnerService renews delegation tokens for the running
> applications in a serial fashion:
> https://github.com/apache/twill/blob/2a316a60b041f39bff95bfcd45f308f7c89d4bfa/twill-yarn/src/main/java/org/apache/twill/yarn/YarnTwillRunnerService.java#L702-L721
> If there are many applications running, this can take a long time. These
> renew tasks can be done in parallel to speed this up.
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