RHQ Charting Type meeting recording

Lukas Krejci lkrejci at redhat.com
Mon Dec 3 12:22:49 UTC 2012


Actually, thinking about this, I think this type of line chart gives us a nice 
way of dealing with the "level of detail" discussion we had some time ago. The 
more in detail you look at such graph, the more blocky it is going to look. 
This way you clearly see that the data collection is not continuos yet you 
don't sacrifice the superior readability that the line charts have over the 
barcharts (when it comes to min, avg, max in a single graph).

I did like the concept of adding additional layers of information into a 
single graph as Harlan showcased, but I think we need to strive for the 
maximum readability of the graphs, which, I must agree with Thomas, the 
barchart with whiskers doesn't offer - the graph is imho overly crowded and 
doesn't easily convey any trending information hidden in the data.

Lukas

On Monday, December 03, 2012 12:03:43 Thomas Segismont wrote:
> Hi all,
> 
> Following the hangout.
> 
> At the risk of looking simple minded, I find the whiskers and whiskers
> and bars graphs a little complicated :)
> 
> I may not already fully understand our users need but I find simple line
> graphs eloquent enough as a default.
> 
> I understand the concern of not giving the feeling to our users that we
> take "continuous" measures. In the past I have used drraw (a popular
> front end for RRDtool) and this is how line shapes look like in this tool:
> 
> http://www.neces.com/tmp/drraw_dashboard.png
> http://wiki.monitoring-fr.org/_media/xcollectd-load.png.pagespeed.ic.HpUNTxV
> jH8.png
> http://open-systems.ufl.edu/static/rrd/drraw.cgi?View=-1&Graph=1350496407.3
> 672&Start=end+-+1+hour&End=now&Mode=view&Shift=&Count=
> 
> I don't know if this type of shape is possible with d3js.
> 
> Just wanted to share my opinion.
> 
> Thomas
> 
> Note: University of Florida has is drraw instance open if you want to
> see other graphs http://open-systems.ufl.edu/static/rrd/drraw.cgi
> 
> Le 01/12/2012 23:59, mike thompson a écrit :
> > For those interested in metric chart type discussion between development
> > and UXD, I have recorded the G+ hangout.
> > 
> > http://youtu.be/6TRzfxMQJb4
> > 
> > 
> > _______________________________________________
> > rhq-devel mailing list
> > rhq-devel at lists.fedorahosted.org
> > https://lists.fedorahosted.org/mailman/listinfo/rhq-devel
> 
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