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Posted to yarn-issues@hadoop.apache.org by "Jim Brennan (JIRA)" <ji...@apache.org> on 2019/08/06 21:21:00 UTC
[jira] [Commented] (YARN-9527) Rogue
LocalizerRunner/ContainerLocalizer repeatedly downloading same file
[ https://issues.apache.org/jira/browse/YARN-9527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16901473#comment-16901473 ]
Jim Brennan commented on YARN-9527:
-----------------------------------
We have been running with this patch on one of our large research clusters for about a month. I scanned for this issue again today and there were no instances of it. That is not definitive, but it is a good sign. We also have not had any new problems reported as a result of this change.
I will continue to monitor our clusters for this.
[~ebadger], did you want to see if we can get some other reviewers for this patch?
> Rogue LocalizerRunner/ContainerLocalizer repeatedly downloading same file
> -------------------------------------------------------------------------
>
> Key: YARN-9527
> URL: https://issues.apache.org/jira/browse/YARN-9527
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Affects Versions: 2.8.5, 3.1.2
> Reporter: Jim Brennan
> Assignee: Jim Brennan
> Priority: Major
> Attachments: YARN-9527.001.patch, YARN-9527.002.patch, YARN-9527.003.patch, YARN-9527.004.patch
>
>
> A rogue ContainerLocalizer can get stuck in a loop continuously downloading the same file while generating an "Invalid event: LOCALIZED at LOCALIZED" exception on each iteration. Sometimes this continues long enough that it fills up a disk or depletes available inodes for the filesystem.
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