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Posted to dev@storm.apache.org by "Rick Kellogg (JIRA)" <ji...@apache.org> on 2015/10/05 03:59:27 UTC

[jira] [Updated] (STORM-433) Give users visibility to the depth of queues at each bolt

     [ https://issues.apache.org/jira/browse/STORM-433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Kellogg updated STORM-433:
-------------------------------
    Component/s: storm-core

> 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: Kyle Nusbaum
>            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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