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https://issues.apache.org/jira/browse/KAFKA-14928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17800610#comment-17800610
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Stanislav Kozlovski commented on KAFKA-14928:
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Changing target fix version to 3.8 since this is not a blocker and we are
cutting a 3.7 RC
> Metrics collection contends on lock with log cleaning
> -----------------------------------------------------
>
> Key: KAFKA-14928
> URL: https://issues.apache.org/jira/browse/KAFKA-14928
> Project: Kafka
> Issue Type: Bug
> Reporter: Divij Vaidya
> Assignee: Divij Vaidya
> Priority: Major
> Fix For: 3.7.0
>
>
> In LogCleanerManager.scala, calculation of a metric requires a lock [1]. This
> same lock is required by core log cleaner functionality such as
> "grabFilthiestCompactedLog". This might lead to a situation where metric
> calculation holding the lock for an extended period of time may affect the
> core functionality of log cleaning.
> This outcome of this task is to prevent expensive metric calculation from
> blocking log cleaning/compaction activity.
> [1]
> https://github.com/apache/kafka/blob/dd63d88ac3ea7a9a55a6dacf9c5473e939322a55/core/src/main/scala/kafka/log/LogCleanerManager.scala#L102
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