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https://issues.apache.org/jira/browse/KAFKA-4296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15596460#comment-15596460
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ASF GitHub Bot commented on KAFKA-4296:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/2016
> LogCleaner CleanerStats swap logic seems incorrect
> --------------------------------------------------
>
> Key: KAFKA-4296
> URL: https://issues.apache.org/jira/browse/KAFKA-4296
> Project: Kafka
> Issue Type: Bug
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Fix For: 0.10.2.0
>
>
> In LogCleaner, we keep track of two instances of the {{CleanerStats}} object
> in a tuple object. One instance is intended to keep track the stats for the
> last cycle while the other is for the current cycle. The idea is to swap them
> after each cleaning cycle, but the current logic does not actually mutate the
> existing tuple, which means that we always clear the same instance of
> {{CleanerStats}} after each cleaning.
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