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https://issues.apache.org/jira/browse/KAFKA-385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13436188#comment-13436188
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Jun Rao commented on KAFKA-385:
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+1 on patch v4.
> RequestPurgatory enhancements - expire/checkSatisfy issue; add jmx beans
> ------------------------------------------------------------------------
>
> Key: KAFKA-385
> URL: https://issues.apache.org/jira/browse/KAFKA-385
> Project: Kafka
> Issue Type: Bug
> Reporter: Joel Koshy
> Assignee: Joel Koshy
> Labels: bugs
> Fix For: 0.8
>
> Attachments: example_dashboard.jpg, graphite_explorer.jpg,
> KAFKA-385-v1.patch, KAFKA-385-v2.patch, KAFKA-385-v3.patch,
> KAFKA-385-v3.patch, KAFKA-385-v3-with-lazy-fix.patch, KAFKA-385-v4.patch
>
>
> As discussed in KAFKA-353:
> 1 - There is potential for a client-side race condition in the
> implementations of expire and checkSatisfied. We can just synchronize on the
> DelayedItem.
> 2 - Would be good to add jmx beans to facilitate monitoring RequestPurgatory
> stats.
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