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Posted to jira@kafka.apache.org by "David Arthur (Jira)" <ji...@apache.org> on 2021/02/03 19:24:00 UTC

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

     [ https://issues.apache.org/jira/browse/KAFKA-12271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Arthur updated KAFKA-12271:
---------------------------------
    Labels: kip-500  (was: )

> 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
>            Priority: Minor
>              Labels: kip-500
>
> 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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