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https://issues.apache.org/jira/browse/KAFKA-70?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102157#comment-13102157
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Prashanth Menon commented on KAFKA-70:
--------------------------------------

Hi Joel,

Looking through Log.loadSegments it looks like the segments (if any were found) 
are already sorted in order of ascending offset.  This effectively solves the 
problem, no?

- Prashanth

> 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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