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https://issues.apache.org/jira/browse/KAFKA-740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14122101#comment-14122101
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Guozhang Wang commented on KAFKA-740:
-------------------------------------
Moving to 0.9.
> Improve crash-safety of log segment swap
> ----------------------------------------
>
> Key: KAFKA-740
> URL: https://issues.apache.org/jira/browse/KAFKA-740
> Project: Kafka
> Issue Type: Bug
> Components: log
> Reporter: Jay Kreps
> Assignee: Jay Kreps
> Fix For: 0.9.0
>
>
> Currently Log.replaceSegments has a bug that can cause a swap containing
> multiple segments to partially complete. This would lead to duplicate data in
> the log.
> The proposed fix is to use a name like offset1_and_offset2.swap for a segment
> meant to replace segments with base offsets offset1 and offset2.
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