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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2183) Cleaner service for cache manager
Date Fri, 24 Oct 2014 23:49:34 GMT

     [ https://issues.apache.org/jira/browse/YARN-2183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sangjin Lee updated YARN-2183:
------------------------------
    Attachment: YARN-2183-trunk-v7.patch

v.7 patch posted. I switched to using 2 threads for the executor service, and simplified the
race condition handling. Also, switched from AtomicBoolean to Lock as it's conceptually clearer
and behavior-wise identical.

For the overall diff, see https://github.com/ctrezzo/hadoop/compare/ctrezzo:trunk...sharedcache-3-YARN-2183-cleaner
For v.6 -> v.7, see https://github.com/ctrezzo/hadoop/commit/0066e2e525395f25aa685cc99838ffe98750c400

> 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, YARN-2183-trunk-v6.patch, YARN-2183-trunk-v7.patch,
on-demand-cleaner.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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