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https://issues.apache.org/jira/browse/YARN-10312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17134287#comment-17134287
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Jim Brennan commented on YARN-10312:
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I've also verified that it fails for me locally on branch-3.2 with out my
change.
> Add support for yarn logs -logFile to retain backward compatibility
> -------------------------------------------------------------------
>
> Key: YARN-10312
> URL: https://issues.apache.org/jira/browse/YARN-10312
> Project: Hadoop YARN
> Issue Type: Bug
> Components: client
> Affects Versions: 2.10.0, 3.4.1
> Reporter: Jim Brennan
> Assignee: Jim Brennan
> Priority: Major
> Labels: compatibility
> Fix For: 3.3.1, 3.4.1
>
> Attachments: YARN-10312-branch-3.2.001.patch, YARN-10312.001.patch
>
>
> The YARN CLI logs command line option {{-logFiles}} was changed to
> {{-log_files}} in 2.9 and later releases. This change was made as part of
> YARN-5363.
> Verizon Media is in the process of moving from Hadoop-2.8 to Hadoop-2.10, and
> while testing integration with Spark, we ran into this issue. We are
> concerned that we will run into more cases of this as we roll out to
> production, and rather than break user scripts, we'd prefer to add
> {{-logFiles}} as an alias of {{-log_files}}. If both are provided,
> {{-logFiles}} will be ignored.
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