[ 
https://issues.apache.org/jira/browse/HDFS-15382?focusedWorklogId=717270&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-717270
 ]

ASF GitHub Bot logged work on HDFS-15382:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 28/Jan/22 20:46
            Start Date: 28/Jan/22 20:46
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on pull request #3941:
URL: https://github.com/apache/hadoop/pull/3941#issuecomment-1024623106


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
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   |||| _ trunk Compile Tests _ |
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Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04  |
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Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
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   |||| _ Patch Compile Tests _ |
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Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04  |
   | -1 :x: |  javac  |   1m 26s | 
[/results-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3941/1/artifact/out/results-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04.txt)
 |  hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 
with JDK Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 generated 1 new + 464 unchanged 
- 1 fixed = 465 total (was 465)  |
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Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
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issues.  |
   | -0 :warning: |  checkstyle  |   0m 57s | 
[/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3941/1/artifact/out/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt)
 |  hadoop-hdfs-project/hadoop-hdfs: The patch generated 13 new + 352 unchanged 
- 5 fixed = 365 total (was 357)  |
   | +1 :green_heart: |  mvnsite  |   1m 23s |  |  the patch passed  |
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Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   1m 24s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
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   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 347m  2s |  |  hadoop-hdfs in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   1m 15s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 459m 58s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3941/1/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/3941 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
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   | uname | Linux f24455252273 4.15.0-163-generic #171-Ubuntu SMP Fri Nov 5 
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   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / c37adaf131c642b97272352eed6c100e9fbb4ba2 |
   | Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
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/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3941/1/testReport/ |
   | Max. process+thread count | 2428 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3941/1/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 717270)
    Time Spent: 20m  (was: 10m)

> Split FsDatasetImpl from blockpool lock to blockpool volume lock 
> -----------------------------------------------------------------
>
>                 Key: HDFS-15382
>                 URL: https://issues.apache.org/jira/browse/HDFS-15382
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Mingxiang Li
>            Assignee: Mingxiang Li
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HDFS-15382-sample.patch, image-2020-06-02-1.png, 
> image-2020-06-03-1.png
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> In HDFS-15180 we split lock to blockpool grain size.But when one volume is in 
> heavy load and will block other request which in same blockpool but different 
> volume.So we split lock to two leval to avoid this happend.And to improve 
> datanode performance.



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