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https://issues.apache.org/jira/browse/YARN-11663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17830084#comment-17830084
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ASF GitHub Bot commented on YARN-11663:
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slfan1989 opened a new pull request, #6662:
URL: https://github.com/apache/hadoop/pull/6662
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### Description of PR
JIRA: YARN-11663. [Federation] Add Cache Entity Nums Limit.
### How was this patch tested?
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
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> Router cache expansion issue
> ----------------------------
>
> Key: YARN-11663
> URL: https://issues.apache.org/jira/browse/YARN-11663
> Project: Hadoop YARN
> Issue Type: Bug
> Components: federation, yarn
> Affects Versions: 3.4.0
> Reporter: Yuan Luo
> Priority: Major
> Attachments: image-2024-03-14-18-12-28-426.png,
> image-2024-03-14-18-12-49-950.png, image-2024-03-15-10-50-32-860.png
>
>
> !image-2024-03-14-18-12-28-426.png!
> !image-2024-03-14-18-12-49-950.png!
> hi [~slfan1989] After apply this feature to our prod env, I found the memory
> of the router keeps growing over time. This is because after jobs finished,
> we won't access the expired key to trigger cleanup mechanism. Is it better to
> add cache maximum number limit？
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