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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-8398) Expose time spent waiting in thread pool queue
Date Sun, 05 Feb 2017 16:14:41 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-8398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko updated CASSANDRA-8398:
-----------------------------------------
    Fix Version/s:     (was: 3.12)
                   4.0

> Expose time spent waiting in thread pool queue 
> -----------------------------------------------
>
>                 Key: CASSANDRA-8398
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8398
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: T Jake Luciani
>            Assignee: Dikang Gu
>            Priority: Minor
>              Labels: lhf
>             Fix For: 4.0
>
>         Attachments: tpstats.png
>
>
> We are missing an important source of latency in our system, the time waiting to be processed
by thread pools.  We should add a metric for this so someone can easily see how much time
is spent just waiting to be processed.



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