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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2014/09/05 00:24:23 UTC

[jira] [Commented] (KAFKA-451) follower replica may need to backoff the fetching if leader is not ready yet

    [ https://issues.apache.org/jira/browse/KAFKA-451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14122096#comment-14122096 ] 

Guozhang Wang commented on KAFKA-451:
-------------------------------------

Moving to 0.9.

> 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
>             Fix For: 0.9.0
>
>   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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