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https://issues.apache.org/jira/browse/KAFKA-70?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102733#comment-13102733
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Jun Rao commented on KAFKA-70:
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One possibility is to have the following semantic: delete segment files as much
as possible with at least retention_size amount of data remaining (instead of
bringing the total data size to below the retention_size).
> Introduce retention setting that depends on space
> -------------------------------------------------
>
> Key: KAFKA-70
> URL: https://issues.apache.org/jira/browse/KAFKA-70
> Project: Kafka
> Issue Type: New Feature
> Affects Versions: 0.8
> Labels: log, roll
> Attachments: KAFKA-70.patch
>
>
> Currently there is this setting:
> log.retention.hours
> introduce:
> log.retention.size
> Semantic would be, either size is reached or time is reached, oldest messages
> will be deleted.
> This does not break back-ward compatibility and would make the system robust
> under scenarios where message size is not deterministic over time.
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