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https://issues.apache.org/jira/browse/YARN-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186549#comment-16186549
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Hadoop QA commented on YARN-4721:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 6s{color}
| {color:red} YARN-4721 does not apply to trunk. Rebase required? Wrong Branch?
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-4721 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12799703/HADOOP-12289-003.patch
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| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/17706/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT http://yetus.apache.org |
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> RM to try to auth with HDFS on startup, retry with max diagnostics on failure
> -----------------------------------------------------------------------------
>
> Key: YARN-4721
> URL: https://issues.apache.org/jira/browse/YARN-4721
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager, security
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Labels: oct16-medium
> Attachments: HADOOP-12289-002.patch, HADOOP-12289-003.patch,
> HADOOP-12889-001.patch
>
>
> If the RM can't auth with HDFS, this can first surface during job submission,
> which can cause confusion about what's wrong and whose credentials are
> playing up.
> Instead, the RM could try to talk to HDFS on launch, {{ls /}} should suffice.
> If it can't auth, it can then tell UGI to log more and retry.
> I don't know what the policy should be if the RM can't auth to HDFS at this
> point. Certainly it can't currently accept work. But should it fail fast or
> keep going in the hope that the problem is in the KDC or NN and will fix
> itself without an RM restart?
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