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https://issues.apache.org/jira/browse/HADOOP-12421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15224945#comment-15224945
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Hadoop QA commented on HADOOP-12421:
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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 3s {color}
| {color:red} HADOOP-12421 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 Patch URL |
https://issues.apache.org/jira/secure/attachment/12777648/HADOOP-12421-v5.patch
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| JIRA Issue | HADOOP-12421 |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/9021/console |
| Powered by | Apache Yetus 0.2.0 http://yetus.apache.org |
This message was automatically generated.
> Add jitter to RetryInvocationHandler
> ------------------------------------
>
> Key: HADOOP-12421
> URL: https://issues.apache.org/jira/browse/HADOOP-12421
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.8.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Attachments: HADOOP-12421-v1.patch, HADOOP-12421-v2.patch,
> HADOOP-12421-v3.patch, HADOOP-12421-v4.patch, HADOOP-12421-v5.patch
>
>
> Calls to NN can become synchronized across a cluster during NN failover. This
> leads to a spike in requests until things recover. Making an already tricky
> time worse.
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