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https://issues.apache.org/jira/browse/OOZIE-3678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17643200#comment-17643200
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Janos Makai commented on OOZIE-3678:
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Many thanks!
> Reduce the number of NameNode access when starting the Yarn job
> ---------------------------------------------------------------
>
> Key: OOZIE-3678
> URL: https://issues.apache.org/jira/browse/OOZIE-3678
> Project: Oozie
> Issue Type: Improvement
> Affects Versions: 5.2.1
> Reporter: Janos Makai
> Assignee: Janos Makai
> Priority: Major
> Fix For: 5.3.0
>
> Attachments: OOZIE-3678-001.patch, OOZIE-3678-002.patch
>
>
> Before Oozie starts the Yarn application it assembles the class path which's
> elements' paths are resolved with
> {code:java}
> remoteFS.resolvePath(p){code}
> which can cause slowness and high NameNode load.
> The intention is to make this path resolution configurable (ability to turn
> it on/off) via an Oozie configuration thus customers can turn it off when
> they experience job start slowness. Default value should result the new
> behaviour is active.
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