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https://issues.apache.org/jira/browse/HDFS-17529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ZanderXu resolved HDFS-17529.
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Fix Version/s: 3.5.0
Hadoop Flags: Reviewed
Resolution: Fixed
> RBF: 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
> Fix For: 3.5.0
>
>
> 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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