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From "T Jake Luciani (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8341) Expose time spent in each thread pool
Date Mon, 01 Dec 2014 14:49:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14229861#comment-14229861
] 

T Jake Luciani commented on CASSANDRA-8341:
-------------------------------------------

Ah, I was confused by the summary then.  I'll open a separate ticket for showing time waiting
in queue.

> Expose time spent in each thread pool
> -------------------------------------
>
>                 Key: CASSANDRA-8341
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8341
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Chris Lohfink
>            Priority: Minor
>              Labels: metrics
>         Attachments: 8341.patch, 8341v2.txt
>
>
> Can increment a counter with time spent in each queue.  This can provide context on how
much time is spent percentage wise in each stage.  Additionally can be used with littles law
in future if ever want to try to tune the size of the pools.



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