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https://issues.apache.org/jira/browse/HDFS-17111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17744845#comment-17744845
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ASF GitHub Bot commented on HDFS-17111:
---------------------------------------

hadoop-yetus commented on PR #5860:
URL: https://github.com/apache/hadoop/pull/5860#issuecomment-1643006475

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5860/5/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt)
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   | Reason | Tests |
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hadoop.hdfs.server.federation.fairness.TestRouterRefreshFairnessPolicyController
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> 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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