[rrd-developers] Demo: RRD - Web 2.0 style
tobi at oetiker.ch
Wed Oct 13 23:09:45 CEST 2010
Today Peter Stamfest wrote:
> Hi everybody!
> I have set up a little demo for something I have hacked together since
> yesterday: RRD - Web 2.0 style. I can only show you a flash video I
> produced. Its quality is questionable, as the RRD graph output is a little
> blurry (because the recording software used vnc to access the screen +
> video compression), but you'll get the idea.
> What's it doing, you ask. Well: It allows to zoom in and out of any rrd
> graph using the mouse wheel and it allows google-maps style panning of the
> graph using the mouse. See for yourself:
> The link uses the wrong mime-type for the file, but I'm too lazy to fix
> this, so you might have to d/l the file and view it locally.
> It is implemented using my java-rrd implementation for the server side
> (used via a java servlet) and about 200 lines of java script using jQuery
> and some services exposed using DWR for AJAX between java script and the
> java server side.
> Tobi: What I was missing most when implementing this was some indication
> of the absolute date/time a graph refers to. Note the use of the right
> axis label for this.
> In theory, I could provide a standalone servlet (+add'l stuff for DWR) for
> this, but it would require some rewrite of the machinery to make it more
> self contained and I wonder if there is a "market" for this.
> The movie shows the interaction between my laptop as the server and an
> Atom-based desktop machine on a LAN. Its responsiveness is not perfect
> (mostly depending on the server side CPU performance), but it was never
> easier to view RRD data for me.
> Has this been done before?
yep ... that was about the state I was at as well when I was
hacking this last time ... got side tracked though ... :-(
in any event, things should be simpler now since the graphv
interface gives lots of 'sensible' information and could also be
easily enhanced to give more info if required.
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
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