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From "Chris Burroughs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4430) optional pluggable o.a.c.metrics reporters
Date Wed, 20 Jan 2016 16:29:39 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15108842#comment-15108842
] 

Chris Burroughs commented on CASSANDRA-4430:
--------------------------------------------

 * Ease of use, fewer moving parts with polling intervals to reason about
 * Ease of configuration, you don't have to configure another thing to know all about your
cassandra clusters and all about ganglia.

Please take further 'how to use it' discussion to the users list.

> optional pluggable o.a.c.metrics reporters
> ------------------------------------------
>
>                 Key: CASSANDRA-4430
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4430
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Chris Burroughs
>            Assignee: Chris Burroughs
>            Priority: Minor
>             Fix For: 2.0.2
>
>         Attachments: 4430-2.0.txt, 4430-trunk.txt, cassandra-ganglia-example.png
>
>
> CASSANDRA-4009  expanded the use of the metrics library which has a set of reporter modules
http://metrics.codahale.com/manual/core/#reporters  You can report to flat files, ganglia,
spit everything over http, etc.  The next step is a mechanism for using those reporters with
 o.a.c.metrics.  To avoid bundling everything I suggest following the mx4j approach of "enable
only if on classpath coupled with a reporter configuration file.
> Strawman file:
> {noformat}
> console:
>   time: 1
>   timeunit: "seconds"
> csv:
>  - time: 1
>    timeunit: minutes
>    file: foo.csv
>  - time: 10
>    timeunit: seconds
>     file: bar.csv
> ganglia:
>  - time: 30
>    timunit: seconds
>    host: server-1
>    port: 8649
>  - time: 30
>    timunit: seconds
>    host: server-2
>    port: 8649
> {noformat}
>  



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