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From "Ravi Prakash (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-985) Nodemanager should log where a resource was localized
Date Mon, 29 Jul 2013 17:53:54 GMT

    [ https://issues.apache.org/jira/browse/YARN-985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13722730#comment-13722730
] 

Ravi Prakash commented on YARN-985:
-----------------------------------

Hi Omkar! Thanks for your quick review. We are facing this problem in production (specially
because YARN-91 is still open), so we want this information all the time (rather than just
debug)
This patch will make it so that the local path is printed only when it exists (which is really
just when newState is LOCALIZED). I was thinking maybe just put the entire toString() in that
log, but decided against it.
Please let me know if you still feel strongly about making it only a debug statement / as
a separate LOG statement during the transition.
                
> Nodemanager should log where a resource was localized
> -----------------------------------------------------
>
>                 Key: YARN-985
>                 URL: https://issues.apache.org/jira/browse/YARN-985
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 3.0.0, 2.0.4-alpha, 0.23.9
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>         Attachments: YARN-985.patch
>
>
> When a resource is localized, we should log WHERE on the local disk it was localized.
This helps in debugging afterwards (e.g. if the disk was to go bad).

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