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https://issues.apache.org/jira/browse/YARN-3929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14634103#comment-14634103
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Vinod Kumar Vavilapalli commented on YARN-3929:
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[~dongwook], how do you perform this backup you mention on a large cluster?
Isn't it easy to copy it from HDFS instead of from 1000 machines? I don't see
how the later is desired.
> Uncleaning option for local app log files with log-aggregation feature
> ----------------------------------------------------------------------
>
> Key: YARN-3929
> URL: https://issues.apache.org/jira/browse/YARN-3929
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: log-aggregation
> Affects Versions: 2.4.0, 2.6.0
> Reporter: Dongwook Kwon
> Priority: Minor
> Attachments: YARN-3929.02.patch
>
>
> Although it makes sense to delete local app log files once AppLogAggregator
> copied all files into remote location(HDFS), I have some use cases that need
> to leave local app log files after it's copied to HDFS. Mostly it's for own
> backup purpose. I would like to use log-aggregation feature of YARN and want
> to back up app log files too. Without this option, files has to copy from
> HDFS to local again.
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