[rrd-users] Re: aggregating data
mrpaular at gmail.com
Tue Jul 18 02:45:30 MEST 2006
On 7/17/06, William Yardley <rrd-users at veggiechinese.net> wrote:
> Sorry for not noticing that one. This message doesn't explain how to
> aggregate data from different files to a single line, however.
> For instance, let's say I'm graphing average and max power consumption
> (for 5 minute periods) from a bunch of power strips. How would I go
> about creating a graph with the sum of all power strips?
If using the RRD files that are created via MRTG then use as follows
Load up the rra files
Add them together in your case
Then print the CDEF values.
If you have a pretty nicely organized MRTG install it'll probably be
much easier to use routers2.cgi and the user defined graph. I use
this to create a sum of 4,000+ interfaces (but it does take quite some
time to build).
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