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Posted to dev@kafka.apache.org by "Ismael Juma (JIRA)" <ji...@apache.org> on 2017/06/01 12:47:04 UTC

[jira] [Updated] (KAFKA-5360) Down-converted uncompressed batches should respect fetch offset

     [ https://issues.apache.org/jira/browse/KAFKA-5360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismael Juma updated KAFKA-5360:
-------------------------------
    Summary: Down-converted uncompressed batches should respect fetch offset  (was: Down-converted uncompressed batches should respect requested offset)

> Down-converted uncompressed batches should respect fetch offset
> ---------------------------------------------------------------
>
>                 Key: KAFKA-5360
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5360
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Ismael Juma
>            Assignee: Ismael Juma
>            Priority: Blocker
>             Fix For: 0.11.0.0
>
>
> More specifically, V2 messages are always batched (whether compressed or not) while V0/V1 are only batched if they are compressed.
> Clients like librdkafka expect to receive messages from the requested offset when dealing with uncompressed V0/V1 messages. When converting from V2 to V0/1, we seem to be returning all the messages in the V2 batch instead of messages from the requested offset.
> Thanks to [~edenhill] for investigating this.



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