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https://issues.apache.org/jira/browse/KAFKA-2988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15063155#comment-15063155
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Ismael Juma commented on KAFKA-2988:
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We should also consider backporting this to the 0.9.0 branch given the impact
of not enabling this:
* Disk space issue as described in KAFKA-3000
* When a coordinator fails, the new coordinator has to read the entire log to
get up to date (as pointed out by [~hachikuji]
> Change default configuration of the log cleaner
> -----------------------------------------------
>
> Key: KAFKA-2988
> URL: https://issues.apache.org/jira/browse/KAFKA-2988
> Project: Kafka
> Issue Type: Improvement
> Affects Versions: 0.9.0.0
> Reporter: Grant Henke
> Assignee: Grant Henke
>
> Since 0.9.0 the internal "__consumer_offsets" topic is being used more
> heavily. Because this is a compacted topic "log.cleaner.enable" needs to be
> "true" in order for it to be compacted.
> Since this is critical for core Kafka functionality we should change the
> default to true and potentially consider removing the option to disable all
> together.
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