[jira] [Resolved] (KAFKA-5390) First records in batch rejected but others accepted when rolling log

["Magnus Reftel (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-5390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Magnus Reftel resolved KAFKA-5390.
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    Resolution: Invalid

Working as intended. The testcase ends up sending two batches, the first one being rejected and the second accepted.

> First records in batch rejected but others accepted when rolling log
> --------------------------------------------------------------------
>
>                 Key: KAFKA-5390
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5390
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.10.2.1
>            Reporter: Magnus Reftel
>         Attachments: kafka-sequence-2.tar.gz, kafka-sequence.tar.gz
>
>
> When sending a sequence of records in a batch right when the broker needs to roll a new segment, it's possible for the first few records to fail, while other records in the batch are accepted. If records have dependencies on earlier records, e.g. in the case of a sequence of events in an event-sourced system, then a producer cannot use the batching functionality, since it then risks consumers receiving a record without first receiving the records it depends on.
> See attached testcase (kafka-sequence.tar.gz).



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