[ 
https://issues.apache.org/jira/browse/HDFS-17529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17847816#comment-17847816
 ] 

ASF GitHub Bot commented on HDFS-17529:
---------------------------------------

kokonguyen191 commented on PR #6833:
URL: https://github.com/apache/hadoop/pull/6833#issuecomment-2120015079

   @ZanderXu Thanks for the review, I have updated the codes + changed the 
ticket/PR title for the deletion part only, will open another PR for the async 
part later. I'm a bit confused about point 3, can you elaborate a bit on that 
part?




> 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 contains 2 parts: improving the deletion process for ZK state 
> store implementation, and allowing the overwrite part and delete part of 
> org.apache.hadoop.hdfs.server.federation.store.CachedRecordStore#overrideExpiredRecords
>  to run in parallel.



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org

Reply via email to