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From "hyoungjunkim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-333) Add metric system to Tajo
Date Thu, 12 Dec 2013 01:09:07 GMT

    [ https://issues.apache.org/jira/browse/TAJO-333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13845950#comment-13845950
] 

hyoungjunkim commented on TAJO-333:
-----------------------------------

When  a external monitoring system gathers tajo's metrics data from all servers, each metrics
item is required a field which has been generated by the server. For this reason, SystemMetrics
prints out daemon's address and private network address is fine.


> Add metric system to Tajo
> -------------------------
>
>                 Key: TAJO-333
>                 URL: https://issues.apache.org/jira/browse/TAJO-333
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: Hyunsik Choi
>            Assignee: hyoungjunkim
>              Labels: metrics
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-333.patch, TAJO-333_2.patch, tajo-ganglia-01.png, tajo-ganglia-02.png
>
>
> Currently, there is no way to measure and observe Tajo's internal operations. As a Hadoop
job, Tajo also should measure and record a lot of operational works.
> I would like to propose the use of Metrics (http://metrics.codahale.com/). It is well
known as a stable and efficient metric library.



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