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- =======
- rrdtool
- =======
- -------------------
- Module: mod_rrdtool
- -------------------
- :Author: Jan Kneschke
- :Date: $Date: 2004/08/29 09:43:49 $
- :Revision: $Revision: 1.1 $
- :abstract:
- mod_rrdtool is used to monitor the traffic and load on the webserver
- .. meta::
- :keywords: lighttpd, skeleton
- .. contents:: Table of Contents
- Description
- ===========
- RRD_ is a system to store and display time-series data (i.e. network
- bandwidth, machine-room temperature, server load average).
- .. _RRD: http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/
- Options
- =======
- rrdtool.binary
- path to the rrdtool binary
- e.g.: ::
- rrdtool.binary = "/usr/bin/rrdtool"
- rrdtool.db-name
- filename of the rrd-database. Make sure that <rrdtool.db-name> doesn't exist
- before the first run, as lighttpd has to create the DB for you.
- e.g.: ::
- rrdtool.db-name = "/var/www/lighttpd.rrd"
- Generating Graphs
- =================
- ::
- #!/bin/sh
- RRDTOOL=/usr/bin/rrdtool
- OUTDIR=/var/www/servers/www.example.org/pages/rrd/
- INFILE=/var/www/lighttpd.rrd
- OUTPRE=lighttpd-traffic
- DISP="-v bytes --title TrafficWebserver \
- DEF:binraw=$INFILE:InOctets:AVERAGE \
- DEF:binmaxraw=$INFILE:InOctets:MAX \
- DEF:binminraw=$INFILE:InOctets:MIN \
- DEF:bout=$INFILE:OutOctets:AVERAGE \
- DEF:boutmax=$INFILE:OutOctets:MAX \
- DEF:boutmin=$INFILE:OutOctets:MIN \
- CDEF:bin=binraw,-1,* \
- CDEF:binmax=binmaxraw,-1,* \
- CDEF:binmin=binminraw,-1,* \
- CDEF:binminmax=binmaxraw,binminraw,- \
- CDEF:boutminmax=boutmax,boutmin,- \
- AREA:binmin#ffffff: \
- STACK:binmax#f00000: \
- LINE1:binmin#a0a0a0: \
- LINE1:binmax#a0a0a0: \
- LINE2:bin#a0a735:incoming \
- GPRINT:bin:MIN:%.2lf \
- GPRINT:bin:AVERAGE:%.2lf \
- GPRINT:bin:MAX:%.2lf \
- AREA:boutmin#ffffff: \
- STACK:boutminmax#00f000: \
- LINE1:boutmin#a0a0a0: \
- LINE1:boutmax#a0a0a0: \
- LINE2:bout#a0a735:outgoing \
- GPRINT:bout:MIN:%.2lf \
- GPRINT:bout:AVERAGE:%.2lf \
- GPRINT:bout:MAX:%.2lf \
- "
- $RRDTOOL graph $OUTDIR/$OUTPRE-hour.png -a PNG --start -14400 $DISP
- $RRDTOOL graph $OUTDIR/$OUTPRE-day.png -a PNG --start -86400 $DISP
- $RRDTOOL graph $OUTDIR/$OUTPRE-month.png -a PNG --start -2592000 $DISP
- OUTPRE=lighttpd-requests
- DISP="-v req --title RequestsperSecond -u 1 \
- DEF:req=$INFILE:Requests:AVERAGE \
- DEF:reqmax=$INFILE:Requests:MAX \
- DEF:reqmin=$INFILE:Requests:MIN \
- CDEF:reqminmax=reqmax,reqmin,- \
- AREA:reqmin#ffffff: \
- STACK:reqminmax#0e0e0e: \
- LINE1:reqmin#a0a0a0: \
- LINE1:reqmax#a0a0a0: \
- LINE2:req#00a735:requests"
- $RRDTOOL graph $OUTDIR/$OUTPRE-hour.png -a PNG --start -14400 $DISP
- $RRDTOOL graph $OUTDIR/$OUTPRE-day.png -a PNG --start -86400 $DISP
- $RRDTOOL graph $OUTDIR/$OUTPRE-month.png -a PNG --start -2592000 $DISP
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