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https://issues.apache.org/jira/browse/STORM-433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14309587#comment-14309587
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ASF GitHub Bot commented on STORM-433:
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Github user knusbaum commented on the pull request:
https://github.com/apache/storm/pull/236#issuecomment-73288887
This is ready for another look.
> Give users visibility to the depth of queues at each bolt
> ---------------------------------------------------------
>
> Key: STORM-433
> URL: https://issues.apache.org/jira/browse/STORM-433
> Project: Apache Storm
> Issue Type: Wish
> Reporter: Dane Hammer
> Priority: Minor
>
> I envision being able to browse the Storm UI and see where queues of tuples
> are backing up.
> Today if I see latencies increasing at a bolt, it may not be due to anything
> specific to that bolt, but that it is backed up behind an overwhelmed bolt
> (which has too low of parallelism or too high of latency).
> I would expect this could use sampling like the metrics reported to the UI
> today, and just retrieve data from netty about the state of the queues. I
> wouldn't imagine supporting zeromq on the first pass.
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