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https://issues.apache.org/jira/browse/CASSANDRA-8398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15709932#comment-15709932
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Dikang Gu commented on CASSANDRA-8398:
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Here is the patch, [~tjake], do you mind to take a look? Thanks!
|[patch |
https://github.com/DikangGu/cassandra/commit/447a58a75019998214eb16dfef90387da9c05583]|
[unit test |
https://cassci.datastax.com/view/Dev/view/DikangGu/job/DikangGu-CASSANDRA-8398-trunk-testall/]|
[dtest |
https://cassci.datastax.com/view/Dev/view/DikangGu/job/DikangGu-CASSANDRA-8398-trunk-dtest/]
|
> 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: 3.12
>
>
> 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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