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https://issues.apache.org/jira/browse/YARN-1338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Omkar Vinit Joshi updated YARN-1338:
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Description:
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.
was:Today when node manager restarts we clean up all the
> 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: Ravi Prakash
>
> 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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