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https://issues.apache.org/jira/browse/HDFS-15000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17157669#comment-17157669
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Hadoop QA commented on HDFS-15000:
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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-15000 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-15000 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12989259/HDFS-15000.001.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/29506/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
This message was automatically generated.
> Improve FsDatasetImpl to avoid IO operation in datasetLock
> ----------------------------------------------------------
>
> Key: HDFS-15000
> URL: https://issues.apache.org/jira/browse/HDFS-15000
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Xiaoqiao He
> Assignee: Aiphago
> Priority: Major
> Attachments: HDFS-15000.001.patch
>
>
> As HDFS-14997 mentioned, some methods in #FsDatasetImpl such as
> #finalizeBlock, #finalizeReplica, #createRbw includes IO operation in the
> datasetLock, It will block some logic when IO load is very high. We should
> reduce grain fineness or move IO operation out of datasetLock.
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