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From lei liu <liulei...@gmail.com>
Subject Re: metric type
Date Sat, 31 Aug 2013 06:52:13 GMT
There is @Metric MutableCounterLong bytesWritten attribute in
DataNodeMetrics, which is used to IO/sec statistics?


2013/8/31 Jitendra Yadav <jeetuyadav200890@gmail.com>

> Hi,
>
> For IO/sec statistics I think MutableCounterLongRate  and
> MutableCounterLong more useful than others and for xceiver thread
> number I'm not bit sure right now.
>
> Thanks
> Jiitendra
> On Fri, Aug 30, 2013 at 1:40 PM, lei liu <liulei412@gmail.com> wrote:
> >
> > Hi  Jitendra,
> > If I want to statistics number of bytes read per second,and display the
> result into ganglia, should I use MutableCounterLong or MutableGaugeLong?
> >
> > If I want to display current xceiver thread number in datanode into
> ganglia, should I use MutableCounterLong or MutableGaugeLong?
> >
> > Thanks,
> > LiuLei
> >
> >
> > 2013/8/30 Jitendra Yadav <jeetuyadav200890@gmail.com>
> >>
> >> Hi,
> >>
> >> Below link contains the answer for your question.
> >>
> >>
> http://hadoop.apache.org/docs/r1.2.0/api/org/apache/hadoop/metrics2/package-summary.html
> >>
> >> Regards
> >> Jitendra
> >>
> >> On Fri, Aug 30, 2013 at 11:35 AM, lei liu <liulei412@gmail.com> wrote:
> >>>
> >>> I use the metrics v2, there are COUNTER and GAUGE metric type in
> metrics v2.
> >>> What is the difference between the two?
> >>>
> >>> Thanks,
> >>> LiuLei
> >>
> >>
> >
>

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