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Date: Tue, 10 Jul 2012 01:45:43 -0700
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Subject: Re: deprecating (old) metrics in favor of metrics2 framework
From: Ted Yu <yuzhihong@gmail.com>
To: dev@hbase.apache.org, Otis Gospodnetic <otis_gospodnetic@yahoo.com>
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In another email thread 'HBase 0.94.1', Lars has kindly accepted the motion
that deprecating current metric classes be done for 0.94.1

Since 0.94.1 contains critical bug fixes, I want to get public opinion on
closing this poll earlier than Friday.

Thanks for the understanding.

On Mon, Jul 9, 2012 at 9:05 PM, Otis Gospodnetic <otis_gospodnetic@yahoo.com
> wrote:

> +1 for deprecating and moving to metrics2 faster.
> I'd normally make the same argument about deprecating that Lars H. made,
> but I think current HBase metrics really need improvement, so if I had
> voting power I'd vote to drop old stuff and move to metrics2 ASAP.
>
> Otis
>
> ----- Original Message -----
> > From: Ted Yu <yuzhihong@gmail.com>
> > To: dev@hbase.apache.org
> > Cc:
> > Sent: Saturday, July 7, 2012 10:23 AM
> > Subject: deprecating (old) metrics in favor of metrics2 framework
> >
> > Hi,
> > See the following comment for background:
> >
> https://issues.apache.org/jira/browse/HBASE-4050?focusedCommentId=13408679&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13408679
> >
> > metrics2 framework is in both hadoop 1.0 and hadoop 2.0
> > We would like to migrate to metrics2 framework. But maintaining two
> metrics
> > frameworks in HBase is costly and results in lower readability.
> >
> > However, if you have cluster monitoring tool that depends on (old)
> metrics
> > framework, we want to give you smooth migration experience.
> >
> > Please provide your opinions on whether (old) metrics framework should be
> > deprecated in 0.94 or in 0.96.
> >
> > Thanks
> >
>

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