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From "Prashanth Menon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-376) expose different data to fetch requests from the follower replicas and consumer clients
Date Sun, 09 Sep 2012 20:34:07 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13451677#comment-13451677
] 

Prashanth Menon commented on KAFKA-376:
---------------------------------------

Good catch, Jun.  V6 patch attached; if all is good, I'll go ahead and commit to the 0.8 branch.
                
> expose different data to fetch requests from the follower replicas and consumer clients
> ---------------------------------------------------------------------------------------
>
>                 Key: KAFKA-376
>                 URL: https://issues.apache.org/jira/browse/KAFKA-376
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>            Assignee: Prashanth Menon
>              Labels: bugs
>         Attachments: KAFKA-376-DRAFT.patch, KAFKA-376-v1.patch, KAFKA-376-v2.patch, KAFKA-376-v3.patch,
KAFKA-376-v4.patch, KAFKA-376-v5.patch, KAFKA-376-v6.patch
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> Currently, the broker always uses highwatermark to calculate the available bytes to a
fetch request, no matter where the request is from. Instead, we should use highwatermark for
requests coming from real consumer clients and use logendoffset for requests coming from follower
replicas.

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