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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2017/06/14 16:33:01 UTC

[jira] [Commented] (KAFKA-5441) Fix transaction marker grouping by producerId in TC

    [ https://issues.apache.org/jira/browse/KAFKA-5441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16049349#comment-16049349 ] 

Guozhang Wang commented on KAFKA-5441:
--------------------------------------

I see it is not a blocker for 0.11.0.0, but I can still take a quick look at it.

> Fix transaction marker grouping by producerId in TC
> ---------------------------------------------------
>
>                 Key: KAFKA-5441
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5441
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: clients, core, producer 
>            Reporter: Jason Gustafson
>              Labels: exactly-once
>             Fix For: 0.11.0.1
>
>
> It seems in some cases the WriteTxnMarker request can be sent with multiple entries for the same ProducerId. This is the cause of KAFKA-5438. This is not necessarily a correctness problem, but it seems unintentional and should probably be fixed.



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