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https://issues.apache.org/jira/browse/YARN-2183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14181723#comment-14181723
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Sangjin Lee commented on YARN-2183:
-----------------------------------

You mean, moving the method to SCMStore but mark it protected? If so, for 
CleanerTask to be able to call it, it cannot be protected, right? One thing we 
can do is to move it to SCMStore as a public method, but let implementations 
override/augment it.

> Cleaner service for cache manager
> ---------------------------------
>
>                 Key: YARN-2183
>                 URL: https://issues.apache.org/jira/browse/YARN-2183
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Chris Trezzo
>            Assignee: Chris Trezzo
>         Attachments: YARN-2183-trunk-v1.patch, YARN-2183-trunk-v2.patch, 
> YARN-2183-trunk-v3.patch, YARN-2183-trunk-v4.patch, YARN-2183-trunk-v5.patch
>
>
> Implement the cleaner service for the cache manager along with metrics for 
> the service. This service is responsible for cleaning up old resource 
> references in the manager and removing stale entries from the cache.



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