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From "Alex Baranau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4050) Update HBase metrics framework to metrics2 framework
Date Fri, 29 Jun 2012 16:18:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13403999#comment-13403999
] 

Alex Baranau commented on HBASE-4050:
-------------------------------------

True!

There's an ongoing effort to sum up all the work we need to do around metrics, all jiras,
etc.: http://search-hadoop.com/m/DBMT21ENvX4. I.e. before hopping on this issue.

At the same time I have a feeling we might want to attack this one first/anyways/independently.

We may want to have old metrics to be still available (some existing systems may rely on them)
while exposing new ones (in a new way). Or we don't?

Having said that we can only integrate metrics2 framework within this issue. And add more
and more metrics based on what we conclude while summing up many metrics issues (see above).
I.e. the effort of this issue would be just integrating the metrics2 framework and adding
some basic metrics. If we are 100% for going with metrics2 framework.

Thoughts?
                
> Update HBase metrics framework to metrics2 framework
> ----------------------------------------------------
>
>                 Key: HBASE-4050
>                 URL: https://issues.apache.org/jira/browse/HBASE-4050
>             Project: HBase
>          Issue Type: New Feature
>          Components: metrics
>    Affects Versions: 0.90.4
>         Environment: Java 6
>            Reporter: Eric Yang
>            Priority: Critical
>
> Metrics Framework has been marked deprecated in Hadoop 0.20.203+ and 0.22+, and it might
get removed in future Hadoop release.  Hence, HBase needs to revise the dependency of MetricsContext
to use Metrics2 framework.

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