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https://issues.apache.org/jira/browse/HDFS-11094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15733675#comment-15733675
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Hadoop QA commented on HDFS-11094:
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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 5s{color}
| {color:red} HDFS-11094 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 | HDFS-11094 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12842440/HDFS-11094.010-b2.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/17801/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Send back HAState along with NamespaceInfo during a versionRequest as an
> optional parameter
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-11094
> URL: https://issues.apache.org/jira/browse/HDFS-11094
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Eric Badger
> Assignee: Eric Badger
> Attachments: HDFS-11094.001.patch, HDFS-11094.002.patch,
> HDFS-11094.003.patch, HDFS-11094.004.patch, HDFS-11094.005.patch,
> HDFS-11094.006.patch, HDFS-11094.007.patch, HDFS-11094.008.patch,
> HDFS-11094.009-b2.patch, HDFS-11094.009.patch, HDFS-11094.010-b2.patch,
> HDFS-11094.010.patch
>
>
> The datanode should know which NN is active when it is connecting/registering
> to the NN. Currently, it only figures this out during its first (and
> subsequent) heartbeat(s) and so there is a period of time where the datanode
> is alive and registered, but can't actually do anything because it doesn't
> know which NN is active. A byproduct of this is that the MiniDFSCluster will
> become active before it knows what NN is active, which can lead to NPEs when
> calling getActiveNN().
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