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https://issues.apache.org/jira/browse/KAFKA-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457130#comment-16457130
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Jun Rao commented on KAFKA-6834:
--------------------------------

To fix this, we need to handle the cleaner buffer to grow up to the size of a 
single message set in the log.

> log cleaner should handle the case when the size of a message set is larger 
> than the max message size
> -----------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-6834
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6834
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Jun Rao
>            Priority: Major
>
> In KAFKA-5316, we added the logic to allow a message (set) larger than the 
> per topic message size to be written to the log during log cleaning. However, 
> the buffer size in the log cleaner is still bounded by the per topic message 
> size. This can cause the log cleaner to die and cause the broker to run out 
> of disk space.
>  



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