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From "Yuki Morishita (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-4009) Increase usage of Metrics and flesh out o.a.c.metrics
Date Thu, 26 Jul 2012 18:42:34 GMT


Yuki Morishita updated CASSANDRA-4009:

    Attachment: 4009.txt

Attaching patch for review.

* Removed EndpointMetrics because I felt those are not metrics. You can get equivalent info
from FailureDetectorMBean's AllEndpointStates.
* Some metrics now are Counters.
* Deprecated MBeans' attributes (nodetool still uses deprecated interface. I want to do that
in separate ticket).

on github:

Also updated doc:
> Increase usage of Metrics and flesh out o.a.c.metrics
> -----------------------------------------------------
>                 Key: CASSANDRA-4009
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Brandon Williams
>            Assignee: Yuki Morishita
>            Priority: Minor
>             Fix For: 1.2
>         Attachments: 4009.txt, 4009.txt
> With CASSANDRA-3671 we have begun using the Metrics packages to expose stats in a new
JMX structure, intended to be more user-friendly (for example, you don't need to know what
a StorageProxy is or does.)  This ticket serves as a parent for subtasks to finish fleshing
out the rest of the enhanced metrics.

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