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MapReduce, mail # dev - MetricsContext counterpart in metrics2 framework


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Re: MetricsContext counterpart in metrics2 framework
Ted Yu 2012-07-25, 04:55
Thanks for your answer, Luke.

On Tue, Jul 24, 2012 at 9:14 PM, Luke Lu <[EMAIL PROTECTED]> wrote:

> There is no MetricsContext in metrics2. The functionality of
> MetricsContext is split into MetricsSource, MetricsSystem (the pubsub
> system) and MetricsSink. Typical monitoring plugins just implement the
> MetricsSink interface and register the implementation and topology in
> hadoop-metrics2.properties. See o.a.h.metrics2.sink packages for
> examples (FileSink, Ganglia3*Sink etc.)
>
> For design docs see http://wiki.apache.org/hadoop/HADOOP-6728-MetricsV2
>
> __Luke
>
> On Tue, Jul 10, 2012 at 3:45 PM, Ted Yu <[EMAIL PROTECTED]> wrote:
> > If anyone is using metrics2 in hadoop 1.0 or 2.0, please share your
> > experience.
> >
> > Thanks
> >
> > On Tue, Jul 10, 2012 at 11:32 AM, Ted Yu <[EMAIL PROTECTED]> wrote:
> >
> >> Hi,
> >> Pardon my lack of knowledge about metrics2 framework.
> >>
> >> I don't see MetricsContext in src/core/org/apache/hadoop/metrics2
> >>
> >> If a user Implements his/her own MetricsContext to plugin to monitoring
> >> system, what should he / she do in metrics2 framework.
> >>
> >> Cheers
> >>
>