Hello,
I'm making my first steps with RRD (used MRTG several years ago), and
I'm noticing that 'rrdtool graph...' command prints out something to
stdout. In my case it prints: 800x205
This happens when I graph the RRD data using this command:
$RRD graph memory-120.png --step 120 --imgformat PNG \
--width 720 --height 150 --base 1024 \
DEF:swap=$DIR/memory.rrd:free-swap:AVERAGE \
DEF:physical=$DIR/memory.rrd:free-physical:AVERAGE \
DEF:buffer=$DIR/memory.rrd:free-buffer:AVERAGE \
CDEF:sum=swap,physical,+,buffer,+ \
AREA:sum#dddddd:"" \
LINE2:swap#00cc00:"free swap memory" \
LINE2:physical#cc0000:"free physical memory" \
LINE2:buffer#0000cc:"free kernel buffers" \
LINE1:sum#aaaaaa:"sum of free memory"
Is this 800x205 normal? What does it represent, and is there a way to
make graphing quiet? This way running RRD graphing from cron is a bit
annoying, and redirecting stdout is doable, but maybe there is a better
approach.
Thanks,
Otis
P.S.
There must be ready-made scripts that gather data for used/free disk
space, network interface traffic, etc. I thought I found find those in
contrib/, but they aren't there. Is there a collection that I could
make use of somewhere, or do I need to reinvent the wheel? Thanks.
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