[jira] [Resolved] (KAFKA-5196) LogCleaner should be transaction-aware

["Jason Gustafson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-5196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gustafson resolved KAFKA-5196.
------------------------------------
    Resolution: Fixed

Issue resolved by pull request 3008
[https://github.com/apache/kafka/pull/3008]

> LogCleaner should be transaction-aware
> --------------------------------------
>
>                 Key: KAFKA-5196
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5196
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: clients, core, producer 
>            Reporter: Jason Gustafson
>            Assignee: Jason Gustafson
>            Priority: Critical
>             Fix For: 0.11.0.0
>
>
> In accordance with the KIP-98 design, the log cleaner should be aware of transaction markers. This means the following:
> 1. Cleaning should be restricted below the last stable offset (which ensures that only decided data is considered when cleaning).
> 2. Records from aborted transactions are removed immediately. 
> 3. Removal of the COMMIT/ABORT markers must be delayed to ensure that they are not missed by concurrent readers.



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