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https://issues.apache.org/jira/browse/HDFS-17111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17747260#comment-17747260
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ASF GitHub Bot commented on HDFS-17111:
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simbadzina commented on PR #5860:
URL: https://github.com/apache/hadoop/pull/5860#issuecomment-1650949591

   > LGTM
   
   Thanks for the review @ayushtkn . Could you please merge this PR for me when 
you get a chance.




> RBF: Optimize msync to only call nameservices that have observer reads 
> enabled.
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-17111
>                 URL: https://issues.apache.org/jira/browse/HDFS-17111
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Simbarashe Dzinamarira
>            Assignee: Simbarashe Dzinamarira
>            Priority: Major
>              Labels: pull-request-available
>
> Right now when a client MSYNCs to the router, the call is fanned out to all 
> nameservices. We only need to proxy the msync to nameservices that have 
> observer reads configured.
> We can do this either by adding a new config for the admin to specify which 
> nameservices have CRS configured, or we can try to automatically detect these.



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