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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2014/04/09 17:32:24 UTC
[jira] [Updated] (YARN-1338) Recover localized resource cache state
upon nodemanager restart
[ https://issues.apache.org/jira/browse/YARN-1338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Lowe updated YARN-1338:
-----------------------------
Attachment: YARN-1338v2.patch
Updating patch after YARN-1757 and other recent changes on trunk.
> Recover localized resource cache state upon nodemanager restart
> ---------------------------------------------------------------
>
> Key: YARN-1338
> URL: https://issues.apache.org/jira/browse/YARN-1338
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 2.3.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Attachments: YARN-1338.patch, YARN-1338v2.patch
>
>
> Today when node manager restarts we clean up all the distributed cache files from disk. This is definitely not ideal from 2 aspects.
> * For work preserving restart we definitely want them as running containers are using them
> * For even non work preserving restart this will be useful in the sense that we don't have to download them again if needed by future tasks.
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