[hobbit] Help with Graphing peak values
ralphmitchell at gmail.com
Wed Jan 18 14:01:42 CET 2006
Well, nobody else spoke up yet...
I don't know if this will help, but it might push you in the right
direction. The rrds are created with builtin archives that are
defined like this:
The rrdcreate man page says that the "576" is the number of rows to
create, and the number immediately preceeding that is the number of
original data samples to average together to create any given datum in
So, for example, each point in the second archive is averaged from 6
points in the original data.
I haven't tried this myself, but I would expect to be able to increase
that "576" without affecting anything, other than possibly getting
graphs that are 6 feet long... The number 576 is the number of
samples that occur at 5 minute intervals in 48 hours. One week of
samples at 5 min intervals would be:
7 * 24 * 60 / 5 = 2016
I have no idea how that would affect the graphing stuff built into Hobbit...
On 1/17/06, Wild, Phil <Phil.Wild at asgardwealthsolutions.com.au> wrote:
> Hello hobbit users,
> I am looking at changing the graph for load average (if possible). Actually,
> this applies to a few of the graphs.
> Typically, our systems are very busy during the day yet at night are mostly
> idle (load average of around 10 to 12. When you look at the graphs produced
> from a capacity planning perspective, for the last 48 hours, you get
> accurate values, but from a 576 day graph, the load average is much lower as
> it is taking into account the out of hours period.
> I was thinking it would be nice to see a line plotted on the same graph
> showing the peak value for the sample rather than the average.
> I have been reading through rrdtool man pages but every change I make seems
> to stop the graphs being produced.
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