Hi y'all,
I'm relatively new to rrdtool and had a few questions on how to use the
'rrdtool fetch' utility.
I'm using rrdtool 1.3.8
% rrdtool -V
RRDtool 1.3.8 Copyright 1997-2009 by Tobias Oetiker <t...@oetiker.ch>
Compiled Jul 22 2009 13:40:59
Is there a way to pluck a single value from a rrd file from a specific time?
I guess I'm trying to do something like this:
% rrdtool fetch /scratch/rrd/my_rrd_file.rrd LAST -s -1 week -e -1 week
to grab one exact value from exactly 7 days prior. I seem to get this
however when I run that command:
ERROR: start (1308145548) should be less than end (1308124800)
Is there a way to grab a specific date/time, exactly 7 days ago from
whatever the current time is?
One other question - is there an easy way (in perl hopefully?) to convert
the numbers you find the the rrd file to 'readable' numbers? Like, how to
convert '1.8200000000e+02' into a 'normal' number?
Thanks for any insight! I looked back through the archives but didn't find
anything immediately on these topics...
Cheers,
erich
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