[rrd-users] getting graphs from my averaged values

MAUPOUME Nicolas nicolas.maupoume-renexter at renault.com
Tue Nov 27 15:24:06 MET 2001

hello everybody,

i created the following rrd file with a perl module:

my @options = ("-b", $START, "-s", $STEP,

i manage to draw dayly graphs with:

graph my_server_day.png -s 1006862316
DEF:nmr=../my_server_guard.rrd:nmr:AVERAGE LINE2:nmr#0000FF:"number of
messages received" DEF:nmt=../my_server_guard.rrd:nmt:AVERAGE
LINE2:nmt#00FF00:"number of messages transmitted"
DEF:nms=../my_server_guard.rrd:nms:AVERAGE LINE2:nms#FF0000:"number of
messages stored"

but i don't know how to draw weekly,monthly and yearly graphs from the
averaged archives:  RRA:AVERAGE:0.5:6:288,  RRA:AVERAGE:0.5:24:276,

how can i specify to take values from one or the other archive?

another question i would like to ask is about MAX attribute,
i thought it would give the maximal value stored in the archive. I ran:
rrdtool graph speed.gif --start 920804400 --end 920808000
DEF:myspeed=./test.rrd:speed:MAX LINE2:myspeed#FF0000
and got exactly the same result as i had with the attribute AVERAGE. Is
there a mistake or is it right?

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