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https://issues.apache.org/jira/browse/HDFS-15180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17078881#comment-17078881
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Hadoop QA commented on HDFS-15180:
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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 9s{color}
| {color:red} HDFS-15180 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-15180 |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/29095/console |
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This message was automatically generated.
> DataNode FsDatasetImpl Fine-Grained Locking via BlockPool.
> -----------------------------------------------------------
>
> Key: HDFS-15180
> URL: https://issues.apache.org/jira/browse/HDFS-15180
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.2.0
> Reporter: zhuqi
> Assignee: Aiphago
> Priority: Major
> Attachments: HDFS-15180.001.patch, HDFS-15180.002.patch,
> HDFS-15180.003.patch, HDFS-15180.004.patch,
> image-2020-03-10-17-22-57-391.png, image-2020-03-10-17-31-58-830.png,
> image-2020-03-10-17-34-26-368.png, image-2020-04-09-11-20-36-459.png
>
>
> Now the FsDatasetImpl datasetLock is heavy, when their are many namespaces in
> big cluster. If we can split the FsDatasetImpl datasetLock via blockpool.
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