[hobbit] Re: Custom RRD graphs

[Rich Smrcina]

Dan Vande More wrote:
> Custom graphing (with ncv) is really a two step process. The first and
> most important is collecting the data into an rrd, which is simple and
> done by adding your COLUMNNAME=ncv to TEST2RRD and correctly passing
> data back to hobbit:)
> I used "rrdtool dump foo.rrd > tmp.xml" to verify that it was actually
> collecting some data.
> 

My rrd file isn't even being updated.  That leads me to believe that 
something in the configuration process is missing or wrong.

> I would venture to guess that as long as your test/column names stay
> the same, there will be no problems in switching from --extra-tests to
> ncv.
> 
> The second step, of course, is actually graphing it using data from
> the rrd. I found this to be the most difficult step, if only because I
> skim documentation - I don't read unless I'm desperate. Again, I'm
> going out on a limb to say as long as your datasources/testnames/Y
> values are all the same, your graph configuration should work post-ncv
> conversion.
> 
> Good luck
> 

Thanks.

> Dan
> 

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Rich Smrcina
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