[jira] [Work logged] (HDFS-16397) Reconfig slow disk parameters for datanode

[ASF GitHub Bot (Jira)]

     [ 
https://issues.apache.org/jira/browse/HDFS-16397?focusedWorklogId=732229&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-732229
 ]

ASF GitHub Bot logged work on HDFS-16397:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 24/Feb/22 11:30
            Start Date: 24/Feb/22 11:30
    Worklog Time Spent: 10m 
      Work Description: tomscut commented on pull request #3828:
URL: https://github.com/apache/hadoop/pull/3828#issuecomment-1049765538


   <img width="1247" alt="image" 
src="https://user-images.githubusercontent.com/55134131/155515733-fda10a2c-19fd-4817-8a25-ca27761ddafe.png";>
   
   Hi @tasanuma those failed unit tests seem related to OOM. Do I need to 
trigger the builder again? Thanks.


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

    Worklog Id:     (was: 732229)
    Time Spent: 2h 40m  (was: 2.5h)

> Reconfig slow disk parameters for datanode
> ------------------------------------------
>
>                 Key: HDFS-16397
>                 URL: https://issues.apache.org/jira/browse/HDFS-16397
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: tomscut
>            Assignee: tomscut
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2h 40m
>  Remaining Estimate: 0h
>
> In large clusters, rolling restart datanodes takes long time. We can make 
> slow peers parameters and slow disks parameters in datanode reconfigurable to 
> facilitate cluster operation and maintenance.



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