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Posted to yarn-issues@hadoop.apache.org by "Qi Zhu (Jira)" <ji...@apache.org> on 2021/03/31 06:24:00 UTC
[jira] [Commented] (YARN-10722) Improvement to
DelegationTokenRenewer in RM
[ https://issues.apache.org/jira/browse/YARN-10722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17312096#comment-17312096 ]
Qi Zhu commented on YARN-10722:
-------------------------------
Thanks [~fengnanli] for this jira.
Could you show more details about the improvement, or show some heavy log which should be improved?
> Improvement to DelegationTokenRenewer in RM
> -------------------------------------------
>
> Key: YARN-10722
> URL: https://issues.apache.org/jira/browse/YARN-10722
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: RM, yarn
> Reporter: Fengnan Li
> Assignee: Fengnan Li
> Priority: Major
>
> We have seen multiple issues related with Yarn DelegationTokenRenewer, especially when namenodes where the token was given had some issues (i.e. standby down). This component has become a SPOF blocking all Yarn applications to be accepted.
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