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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2020/09/15 17:25:42 UTC

[GitHub] [kafka] mumrah commented on pull request #9100: Add AlterISR RPC and use it for ISR modifications

mumrah commented on pull request #9100:
URL: https://github.com/apache/kafka/pull/9100#issuecomment-692859976


   Recent changes include:
   
   * Controller no longer sends LeaderAndIsr, only UpdateMetadata (more more leader epoch bump)
   * Update Partition's ISR from AlterIsr response
   * Periodic scheduled thread for calling "propagateIsrChanges" in AlterIsrManager (we could miss updates otherwise)
   * Top-level error handling in AlterIsrManager
   * Additional checks in AlterIsrManager to prevent multiple in-flight requests and also prevent multiple ISR changes for a 
    given partition
   * Changes to the callback logic to ensure we don't leave any partitions stuck
   
   


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