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Posted to jira@kafka.apache.org by "dengziming (Jira)" <ji...@apache.org> on 2021/06/20 04:30:00 UTC

[jira] [Commented] (KAFKA-12908) Load snapshot heuristic

    [ https://issues.apache.org/jira/browse/KAFKA-12908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17366100#comment-17366100 ] 

dengziming commented on KAFKA-12908:
------------------------------------

This may be depend on KAFKA-12155

> Load snapshot heuristic
> -----------------------
>
>                 Key: KAFKA-12908
>                 URL: https://issues.apache.org/jira/browse/KAFKA-12908
>             Project: Kafka
>          Issue Type: Sub-task
>            Reporter: Jose Armando Garcia Sancio
>            Assignee: dengziming
>            Priority: Minor
>
> The {{KafkaRaftCient}} implementation only forces the {{RaftClient.Listener}} to load a snapshot only when the listener's next offset is less than the start offset.
> This is technically correct but in some cases it may be more efficient to load a snapshot even when the next offset exists in the log. This is clearly true when the latest snapshot has less entries than the number of records from the next offset to the latest snapshot.



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