[rrd-users] SVG interaction on RRDs graphs

[Kevin P. Foote]

Vladimir 

very cool!

Any chance you can point to a code repo or post location where that data
"massage" / manipulation code is? 

I'd like to take a go at something similar (JSON/Flot) outside of ganglia or other
front ends.

------
thanks
  kevin.foote

On Fri, 2 Sep 2011, Vladimir Vuksan wrote:

-> I have written code for Ganglia (http://ganglia.info) that uses rrdtool
-> export to export data of interest then "massages" the data into a proper JSON
-> format. I then use Flot (Javascript graphing library) to draw the images. You
-> can for instance see how it looks in action if you go here
-> 
-> http://fjrkr5ab.joyent.us/ganglia-2.0/?r=hour&cs=&ce=&m=&c=bx+workservers&h=baker.bx.psu.edu&mc=2&z=medium&metric_group=cpu
-> 
-> Find a graph that has an Enlarge button next to it. Click on it. You can then
-> hover over the graph value and it will show you current value. This is very
-> much work in progress.
-> 
-> There was a patch submitted by Erik Kastner to allow rrdtool to export
-> directly to JSON but I have not seen it included.
-> 
-> Vladimir
-> 
-> On Fri, 2 Sep 2011, nbelorgey wrote:
-> 
-> > Richard, 
-> > The javascript graphing is huge !!!
-> > This is fast, clear and efficient. The zoom is really user friendly &
-> > impressive...
-> > 
-> > But in our case, some graphs will stack between 20-* elements that are
-> > stored in ~6 MB RRDs. ( We're stacking VMs performance métrics on VMware
-> > Clusters)
-> > And we have around 4-12 graph per page...  This will make for 25 VMs
-> > 25*12*6
-> > ~ 1800 MB to download ?
-> > 
-> > The client canno't download and process so much data That's why it has to
-> > be server site processed...
-> > 
-> > Is there in your roadmap an ajax version that process on the server side
-> > and
-> > return only needed information for graphing purpose ? 
-> > 
-> > 
-> > --
-> > View this message in context:
-> > http://rrd-mailinglists.937164.n2.nabble.com/SVG-interaction-on-RRDs-graphs-tp6750442p6753841.html
-> > Sent from the RRDtool Users Mailinglist mailing list archive at Nabble.com.
-> > 
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