[ 
https://issues.apache.org/jira/browse/HDFS-16331?focusedWorklogId=685630&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-685630
 ]

ASF GitHub Bot logged work on HDFS-16331:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 24/Nov/21 05:43
            Start Date: 24/Nov/21 05:43
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on pull request #3676:
URL: https://github.com/apache/hadoop/pull/3676#issuecomment-977551764


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 2 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  32m  1s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   1m 26s |  |  trunk passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04  |
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Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10  |
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   | +1 :green_heart: |  mvnsite  |   1m 29s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   1m  3s |  |  trunk passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javadoc  |   1m 33s |  |  trunk passed with JDK 
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10  |
   | +1 :green_heart: |  spotbugs  |   3m 15s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  22m 25s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m 18s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 19s |  |  the patch passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javac  |   1m 19s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m  9s |  |  the patch passed with JDK 
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10  |
   | +1 :green_heart: |  javac  |   1m  9s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  checkstyle  |   0m 52s |  |  
hadoop-hdfs-project/hadoop-hdfs: The patch generated 0 new + 151 unchanged - 2 
fixed = 151 total (was 153)  |
   | +1 :green_heart: |  mvnsite  |   1m 19s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   0m 49s |  |  the patch passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javadoc  |   1m 20s |  |  the patch passed with JDK 
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10  |
   | +1 :green_heart: |  spotbugs  |   3m 13s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  21m 53s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 224m 37s |  |  hadoop-hdfs in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   0m 47s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 322m 41s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3676/7/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/3676 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell |
   | uname | Linux 9ede66a9065b 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / df0448d85a6676e58c0f6b5e2918546259e20c4e |
   | Default Java | Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
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/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3676/7/testReport/ |
   | Max. process+thread count | 3196 (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-3676/7/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: 685630)
    Time Spent: 1h 10m  (was: 1h)

> Make dfs.blockreport.intervalMsec reconfigurable
> ------------------------------------------------
>
>                 Key: HDFS-16331
>                 URL: https://issues.apache.org/jira/browse/HDFS-16331
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: tomscut
>            Assignee: tomscut
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: image-2021-11-18-09-33-24-236.png, 
> image-2021-11-18-09-35-35-400.png
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> We have a cold data cluster, which stores as EC policy. There are 24 fast 
> disks on each node and each disk is 7 TB. 
> Recently, many nodes have more than 10 million blocks, and the interval of 
> FBR is 6h as default. Frequent FBR caused great pressure on NN.
> !image-2021-11-18-09-35-35-400.png|width=334,height=229!
> !image-2021-11-18-09-33-24-236.png|width=566,height=159!
> We want to increase the interval of FBR, but have to rolling restart the DNs, 
> this operation is very heavy. In this scenario, it is necessary to make 
> _dfs.blockreport.intervalMsec_ reconfigurable.



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