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https://issues.apache.org/jira/browse/STORM-433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15387486#comment-15387486
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ASF GitHub Bot commented on STORM-433:
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Github user abhishekagarwal87 commented on the issue:
https://github.com/apache/storm/pull/1406
@HeartSaVioR - If we are ok to show these metrics only at the executor
level (and not aggregate it at component level), it is almost done. Aggregation
at component level can be taken up in separate jira as well.
> 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
> Components: storm-core
> Reporter: Dane Hammer
> Assignee: Abhishek Agarwal
> 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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