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From "feyman (Jira)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-10636) Bypass log validation for writes to raft log
Date Wed, 02 Dec 2020 07:47:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-10636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17242122#comment-17242122

feyman commented on KAFKA-10636:

Hi, [~hachikuji] . I would like to take this task, please let me know if this one is still
under discussion or have some pending dependencies. I had roughly went through the design
and implementation of kafka-raft recently, will add my understanding of this task later to
make sure we are on the same page, thanks!

> Bypass log validation for writes to raft log
> --------------------------------------------
>                 Key: KAFKA-10636
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10636
>             Project: Kafka
>          Issue Type: Sub-task
>            Reporter: Jason Gustafson
>            Assignee: feyman
>            Priority: Major
> The raft leader is responsible for creating the records written to the log (including
assigning offsets and the epoch), so we can consider bypassing the validation done in `LogValidator`.
This lets us skip potentially expensive decompression and the unnecessary recomputation of
the CRC.

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