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https://issues.apache.org/jira/browse/KAFKA-70?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13099027#comment-13099027
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Jun Rao commented on KAFKA-70:
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Prashanth,
Not sure if you still have those questions in the deleted comment. In any case,
for your first question, the size limit can be checked every time we roll the
log. For the second question, the default value can be no size limit to keep it
consistent with the old behavior.
> 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
>
> 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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