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https://issues.apache.org/jira/browse/HDFS-15785?focusedWorklogId=622263&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-622263
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ASF GitHub Bot logged work on HDFS-15785:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Jul/21 22:02
Start Date: 13/Jul/21 22:02
Worklog Time Spent: 10m
Work Description: LeonGao91 commented on pull request #2639:
URL: https://github.com/apache/hadoop/pull/2639#issuecomment-879431902
Thanks a lot for the review! @fengnanli
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Issue Time Tracking
-------------------
Worklog Id: (was: 622263)
Time Spent: 4h 20m (was: 4h 10m)
> Datanode to support using DNS to resolve nameservices to IP addresses to get
> list of namenodes
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-15785
> URL: https://issues.apache.org/jira/browse/HDFS-15785
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Leon Gao
> Assignee: Leon Gao
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 4h 20m
> Remaining Estimate: 0h
>
> Currently as HDFS supports observers, multiple-standby and router, the
> namenode hosts are changing frequently in large deployment, we can consider
> supporting https://issues.apache.org/jira/browse/HDFS-14118 on datanode to
> reduce the need to update config frequently on all datanodes. In that case,
> datanode and clients can use the same set of config as well.
> Basically we can resolve the DNS and generate namenode for each IP behind it.
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