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https://issues.apache.org/jira/browse/YARN-7599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621216#comment-16621216
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Botong Huang commented on YARN-7599:
------------------------------------

Thanks [~bibinchundatt] for the comment! v6 patch uploaded. 

bq. I was thinking of disabling cleaner while the GPG service is live
I see. Yeah let's leave it as future work. For now restarting GPG will do, it 
is an out of band service anyways. 

bq. Can you change to single configuration similar to 
dfs.http.client.retry.policy.spec {min,max,interval}
I already changed the new configs to something like 
application.cleaner.router.min.success. This is what you meant right? 

Somehow the link from yetus run hasn't work at all. I think the checkstyle run 
has some build issue. I just rebased the YARN-7402 base branch to latest trunk, 
let's see. 

> [GPG] ApplicationCleaner in Global Policy Generator
> ---------------------------------------------------
>
>                 Key: YARN-7599
>                 URL: https://issues.apache.org/jira/browse/YARN-7599
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Botong Huang
>            Assignee: Botong Huang
>            Priority: Minor
>              Labels: federation, gpg
>         Attachments: YARN-7599-YARN-7402.v1.patch, 
> YARN-7599-YARN-7402.v2.patch, YARN-7599-YARN-7402.v3.patch, 
> YARN-7599-YARN-7402.v4.patch, YARN-7599-YARN-7402.v5.patch
>
>
> In Federation, we need a cleanup service for StateStore as well as Yarn 
> Registry. For the former, we need to remove old application records. For the 
> latter, failed and killed applications might leave records in the Yarn 
> Registry (see YARN-6128). We plan to do both cleanup work in 
> ApplicationCleaner in GPG



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