Howard Yoo commented on HADOOP-15231:

Hi Steve, thanks for the comment, and sorry for submitting this without too 
much concerns.

The biggest reason of what motivated to me to write this WavefrontSink, was due 
to the fact that WavefrontSink's data format is merely an extension of the 
Graphite format, with the addition of source and point tag to denote a specific 
source system and additional point tags data to it (rather than those being 
part of the metric name). Since I saw a GraphiteSink already existing and added 
to hadoop's list of Sinks, I thought it shouldn't be too difficult and thus can 
be added. I basically copied much of GraphiteSink's source code, and slightly 
changed the part that creates source and point tags to conform with Wavefront 
data format.

If adding a new Sink class to the hadoop source tree is going to be too much of 
a trouble, I wouldn't proceed further. But please understand that it is 
essentially almost same as GraphiteSink, and I thought it wouldn't be needed to 
be extensively tested (once again, sorry for my lack of thoughts). But please 
do consider if this would be possible. I don't have too much experience in 
working in apache hadoop community, so would like to ask what would be a good 
choice to you.

> WavefrontSink for Hadoop Metrics2
> ---------------------------------
>                 Key: HADOOP-15231
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15231
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: metrics
>            Reporter: Howard Yoo
>            Priority: Minor
>              Labels: metrics, wavefront
> Wavefront is a SaaS based large scale real time metrics monitoring and 
> analytic system capable of monitoring many different source systems. There 
> are several Sinks available in Hadoop in order to capture various metrics to 
> external system. The Wavefront data format follows a similar format as that 
> of Graphite, with the addition of native point tag support and source value. 
> The details are outlined here: 
> [https://docs.wavefront.com/wavefront_data_format.html]
> It would be greatly helpful for both Hadoop and Wavefront to have a native 
> integration using  Wavefront Sink to send Hadoop related metrics to Wavefront 
> Server.

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