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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2022/11/29 23:23:57 UTC

[GitHub] [kafka] jeffkbkim commented on pull request #12897: KAFKA-14379: consumer should refresh preferred read replica on update metadata

jeffkbkim commented on PR #12897:
URL: https://github.com/apache/kafka/pull/12897#issuecomment-1331446867

   thanks @dajac for the review. as discussed offline:
   
   `nodeIfOnline` will be updated to also check whether the node is within the given partition info replica set. this will help clear the preferred read replica in cases where a partition is reassigned. this will resolve the given example (topic reassignment) as well as cases where the follower falls out of ISR due to a network problem.
   
   however, we will still keep the changes to clear the preferred read replica on errors so that the consumer relies on the leader for up-to-date preferred read replica.


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