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https://issues.apache.org/jira/browse/HDFS-16157?focusedWorklogId=637400&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-637400
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ASF GitHub Bot logged work on HDFS-16157:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Aug/21 16:07
            Start Date: 12/Aug/21 16:07
    Worklog Time Spent: 10m 
      Work Description: fengnanli commented on pull request #3284:
URL: https://github.com/apache/hadoop/pull/3284#issuecomment-897765432


   LGTM. Let's wait for some time if others have some comments. @Hexiaoqiao 
FYI. We are doing this in a series to help reducing the dependency on a single 
host name.


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

    Worklog Id:     (was: 637400)
    Time Spent: 20m  (was: 10m)

> Support configuring DNS record to get list of journal nodes.
> ------------------------------------------------------------
>
>                 Key: HDFS-16157
>                 URL: https://issues.apache.org/jira/browse/HDFS-16157
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: journal-node
>            Reporter: Leon Gao
>            Assignee: Leon Gao
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> We can use a DNS round-robin record to configure list of journal nodes, so we 
> don't have to reconfigure everything journal node hostname is changed. For 
> example, in some containerized environment the hostname of journal nodes can 
> change pretty often.



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