[rrd-users] rrdtool fetch boundaries

morten bjoernsvik morten_bjoernsvik at yahoo.no
Wed Sep 21 11:20:55 CEST 2011

Hi All

I'm extracting statistics from lots of rrds using rrdtool fetch, but it seems like
fetch is rather fuzzy about the -s and -e settings


/usr/bin/rrdtool fetch ./test_transes.rrd AVERAGE -r 300 -s 1312149600 -e 1312150200

1312149900: 3.0733333333e+00
1312150200: 2.9033333333e+00
1312150500: 2.7600000000e+00

last entry is after -e

/usr/bin/rrdtool fetch ./test_transes.rrd MAX -r 300 -s 1312149600 -e 1312150200

1312150500: 3.3766666667e+00

This max entry is outside of -s and -e

If I set the start to -s 1312149900 this datapoint is omitted

/usr/bin/rrdtool fetch ./test_transes.rrd AVERAGE -r 300 -s 1312149900 -e 1312150200

1312150200: 2.9033333333e+00
1312150500: 2.7600000000e+00

I use the rrdtool enclosed with opensuse11.4, but this software will mainly run on RHEL where we compile our
own, so any version can do.

/usr/bin/rrdtool -V
RRDtool 1.4.5  Copyright 1997-2010 by Tobias Oetiker <tobi at oetiker.ch>
               Compiled May 16 2011 22:30:22


Morten Bjoernsvik, Oslo, Norway
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