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https://issues.apache.org/jira/browse/KAFKA-1489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14081912#comment-14081912
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Jay Kreps commented on KAFKA-1489:
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Thinking about this I think the right way for this to work would be to
introduce a new topic-level config, something like topic.retention.bytes. To
use this the broker would divide this count by the number of partitions to
compute an effective per-partition retention number. This would avoid uneven
retention as described above.
> Global threshold on data retention size
> ---------------------------------------
>
> Key: KAFKA-1489
> URL: https://issues.apache.org/jira/browse/KAFKA-1489
> Project: Kafka
> Issue Type: New Feature
> Components: log
> Affects Versions: 0.8.1.1
> Reporter: Andras Sereny
> Assignee: Jay Kreps
> Labels: newbie
>
> Currently, Kafka has per topic settings to control the size of one single log
> (log.retention.bytes). With lots of topics of different volume and as they
> grow in number, it could become tedious to maintain topic level settings
> applying to a single log.
> Often, a chunk of disk space is dedicated to Kafka that hosts all logs
> stored, so it'd make sense to have a configurable threshold to control how
> much space *all* data in Kafka can take up.
> See also:
> http://mail-archives.apache.org/mod_mbox/kafka-users/201406.mbox/browser
> http://mail-archives.apache.org/mod_mbox/kafka-users/201311.mbox/%[email protected]%3E
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