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https://issues.apache.org/jira/browse/HDFS-17529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17848113#comment-17848113
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ASF GitHub Bot commented on HDFS-17529:
---------------------------------------

hadoop-yetus commented on PR #6833:
URL: https://github.com/apache/hadoop/pull/6833#issuecomment-2122116959

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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> Improve router state store cache entry deletion
> -----------------------------------------------
>
>                 Key: HDFS-17529
>                 URL: https://issues.apache.org/jira/browse/HDFS-17529
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs, rbf
>            Reporter: Felix N
>            Assignee: Felix N
>            Priority: Major
>              Labels: pull-request-available
>
> Current implementation for router state store update is quite inefficient, so 
> much that when routers are removed and a lot of NameNodeMembership records 
> are deleted in a short burst, the deletions triggered a router safemode in 
> our cluster and caused a lot of troubles.
> This ticket aims to improve the deletion process for ZK state store 
> implementation.
> See HDFS-17532 for the other half of this improvement



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