Re: [hobbit] Re: Custom RRD graphs

[Rich Smrcina <rsmrcina (at) wi.rr.com>]

Perhaps the underscore is also considered a valid character. I can 
process dataset names with underscores using the extra tests and script. 
 Also, I changed do_ncv.c to allow underscores in the dataset name.

            if ( ((*inp >= 'A') && (*inp <= 'Z')) ||
                 ((*inp >= 'a') && (*inp <= 'z')) ||
                 ((*inp >= '0') && (*inp <= '9')) ||
                 ((*inp == '_') ) ) {


Here's a dump from my rrd file:

hobbit (at) hobbit:~/data/rrd/vm1> rrdtool fetch pg_util.rrd AVERAGE -r 900 
-s -60m
                        pg_util

1131975600: 1.0000000000e+00
1131975900: 1.0000000000e+00
1131976200: 1.0000000000e+00

Now that my rrd file is being updated, I have to figure out why the 
graph isn't appearing.

Henrik Stoerner wrote:
> On Mon, Nov 14, 2005 at 06:35:22AM -0600, Rich Smrcina wrote:
>
> > OK, I think I've found the problem.  The NCV routine strips out anything 
> > that isn't a letter or a number from the column name.
> >
> > I found this message in the log:
> >
> > 2005-11-13 22:01:21 RRD error updating 
> > /home/hobbit/data/rrd/vm1/pg_util.rrd from 192.168.201.1: unknown DS 
> > name 'pgutil'
>
>
> That is because the RRD library only allows data-set names to contain
> letters and numbers.
>
>
> Henrik
>
>
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--
Rich Smrcina
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