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Posted to jira@kafka.apache.org by "David Arthur (Jira)" <ji...@apache.org> on 2021/02/02 17:37:00 UTC

[jira] [Created] (KAFKA-12271) Expose consistent Raft metadata to components

David Arthur created KAFKA-12271:
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             Summary: Expose consistent Raft metadata to components
                 Key: KAFKA-12271
                 URL: https://issues.apache.org/jira/browse/KAFKA-12271
             Project: Kafka
          Issue Type: Improvement
            Reporter: David Arthur
            Assignee: Colin McCabe


In Raft clusters, we need a way of exposing consistent metadata to components such as ReplicaManager, LogManager, etc. 

This is done through a new class named MetadataImage. As Raft metadata records are processed, new MetadataImage-s are built and provided to the MetadataCache atomically. This avoids readers seeing any partially materialized metadata.




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