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From "Jozef Koval (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-451) follower replica may need to backoff the fetching if leader is not ready yet
Date Thu, 20 Apr 2017 19:14:04 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15977280#comment-15977280
] 

Jozef Koval commented on KAFKA-451:
-----------------------------------

Hi guys, I would like to work on this issue, but need more info. Can you please share more
thoughts?

> follower replica may need to backoff the fetching if leader is not ready yet
> ----------------------------------------------------------------------------
>
>                 Key: KAFKA-451
>                 URL: https://issues.apache.org/jira/browse/KAFKA-451
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>            Reporter: Jun Rao
>            Assignee: Prashanth Menon
>              Labels: optimization
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> Currently, when a follower starts fetching from a new leader, it just keeps sending fetch
requests even if the requests fail because the leader is not ready yet. We probably should
let the follower backoff a bit in this case.



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