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https://issues.apache.org/jira/browse/HDFS-16331?focusedWorklogId=684175&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-684175
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ASF GitHub Bot logged work on HDFS-16331:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 20/Nov/21 03:32
            Start Date: 20/Nov/21 03:32
    Worklog Time Spent: 10m 
      Work Description: tomscut commented on pull request #3676:
URL: https://github.com/apache/hadoop/pull/3676#issuecomment-974585683


   Thses failed tests are unrelated to the change and work fine locally.
   
   @aajisaka @jojochuang @tasanuma @goiri PTAL. Thanks a lot.


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

    Worklog Id:     (was: 684175)
    Time Spent: 1h  (was: 50m)

> 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
>  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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