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https://issues.apache.org/jira/browse/BOOKKEEPER-840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14358286#comment-14358286
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Sijie Guo commented on BOOKKEEPER-840:
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yes. that is the right fix. since the flushLock here is only for notification,
we should reduce its locking scope.
> Deadlock on flushLock on compaction
> -----------------------------------
>
> Key: BOOKKEEPER-840
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-840
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-server
> Reporter: Sijie Guo
> Assignee: Sijie Guo
> Priority: Critical
> Fix For: 4.4.0, 4.3.1
>
>
> the dead lock happens on entry log rolling and compaction.
> entry log rolling will lock entry logger then lock flushLock.
> compaction waiting for flush, will lock flushLock and then entry logger.
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