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https://issues.apache.org/jira/browse/TAJO-333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833349#comment-13833349
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Jihoon Son commented on TAJO-333:
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+1 for this issue.
The metric information will be very useful for various purpose such as the
query optimization.
> Add metric system to Tajo
> -------------------------
>
> Key: TAJO-333
> URL: https://issues.apache.org/jira/browse/TAJO-333
> Project: Tajo
> Issue Type: Bug
> Reporter: Hyunsik Choi
> Labels: metrics
> Fix For: 0.8-incubating
>
>
> 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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