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From "koray sariteke (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5871) Update nodetool to use o.a.c.metrics
Date Tue, 08 Oct 2013 05:12:42 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13788914#comment-13788914
] 

koray sariteke commented on CASSANDRA-5871:
-------------------------------------------

A bit confused, nodetool connect to specified C* node over JMX and *MBeans read metrics over
o.a.c.metrics package.

For instance, 
getKeyCacheRequests at CacheServiceMBean is deprecated but it uses CacheMetrics under o.a.c.metrics.CacheMetrics.

nodetool already uses o.a.c.metrics package implicitly and *MBeans are needed to query for
target node, am I right? 
I am not so clear about what to migrate

> Update nodetool to use o.a.c.metrics
> ------------------------------------
>
>                 Key: CASSANDRA-5871
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5871
>             Project: Cassandra
>          Issue Type: Task
>            Reporter: Yuki Morishita
>            Assignee: koray sariteke
>            Priority: Minor
>             Fix For: 2.0.2
>
>
> Since C* 1.2, metrics are moved from *MBeans to own o.a.c.metrics package and are exposed
through metrics-core library.
> But nodetool is still using deprecated MBean metrics, so it is time to migrate to new
API.



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