1======= 2rrdtool 3======= 4 5------------------- 6Module: mod_rrdtool 7------------------- 8 9:Author: Jan Kneschke 10:Date: $Date: 2004/08/29 09:43:49 $ 11:Revision: $Revision: 1.1 $ 12 13:abstract: 14 mod_rrdtool is used to monitor the traffic and load on the webserver 15 16.. meta:: 17 :keywords: lighttpd, skeleton 18 19.. contents:: Table of Contents 20 21Description 22=========== 23 24RRD_ is a system to store and display time-series data (i.e. network 25bandwidth, machine-room temperature, server load average). 26 27.. _RRD: http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/ 28 29Options 30======= 31 32rrdtool.binary 33 path to the rrdtool binary 34 35 e.g.: :: 36 37 rrdtool.binary = "/usr/bin/rrdtool" 38 39rrdtool.db-name 40 filename of the rrd-database. Make sure that <rrdtool.db-name> doesn't exist 41 before the first run, as lighttpd has to create the DB for you. 42 43 e.g.: :: 44 45 rrdtool.db-name = "/var/www/lighttpd.rrd" 46 47Generating Graphs 48================= 49 50:: 51 52 #!/bin/sh 53 54 RRDTOOL=/usr/bin/rrdtool 55 OUTDIR=/var/www/servers/www.example.org/pages/rrd/ 56 INFILE=/var/www/lighttpd.rrd 57 OUTPRE=lighttpd-traffic 58 59 DISP="-v bytes --title TrafficWebserver \ 60 DEF:binraw=$INFILE:InOctets:AVERAGE \ 61 DEF:binmaxraw=$INFILE:InOctets:MAX \ 62 DEF:binminraw=$INFILE:InOctets:MIN \ 63 DEF:bout=$INFILE:OutOctets:AVERAGE \ 64 DEF:boutmax=$INFILE:OutOctets:MAX \ 65 DEF:boutmin=$INFILE:OutOctets:MIN \ 66 CDEF:bin=binraw,-1,* \ 67 CDEF:binmax=binmaxraw,-1,* \ 68 CDEF:binmin=binminraw,-1,* \ 69 CDEF:binminmax=binmaxraw,binminraw,- \ 70 CDEF:boutminmax=boutmax,boutmin,- \ 71 AREA:binmin#ffffff: \ 72 STACK:binmax#f00000: \ 73 LINE1:binmin#a0a0a0: \ 74 LINE1:binmax#a0a0a0: \ 75 LINE2:bin#a0a735:incoming \ 76 GPRINT:bin:MIN:%.2lf \ 77 GPRINT:bin:AVERAGE:%.2lf \ 78 GPRINT:bin:MAX:%.2lf \ 79 AREA:boutmin#ffffff: \ 80 STACK:boutminmax#00f000: \ 81 LINE1:boutmin#a0a0a0: \ 82 LINE1:boutmax#a0a0a0: \ 83 LINE2:bout#a0a735:outgoing \ 84 GPRINT:bout:MIN:%.2lf \ 85 GPRINT:bout:AVERAGE:%.2lf \ 86 GPRINT:bout:MAX:%.2lf \ 87 " 88 89 90 $RRDTOOL graph $OUTDIR/$OUTPRE-hour.png -a PNG --start -14400 $DISP 91 $RRDTOOL graph $OUTDIR/$OUTPRE-day.png -a PNG --start -86400 $DISP 92 $RRDTOOL graph $OUTDIR/$OUTPRE-month.png -a PNG --start -2592000 $DISP 93 94 OUTPRE=lighttpd-requests 95 96 DISP="-v req --title RequestsperSecond -u 1 \ 97 DEF:req=$INFILE:Requests:AVERAGE \ 98 DEF:reqmax=$INFILE:Requests:MAX \ 99 DEF:reqmin=$INFILE:Requests:MIN \ 100 CDEF:reqminmax=reqmax,reqmin,- \ 101 AREA:reqmin#ffffff: \ 102 STACK:reqminmax#0e0e0e: \ 103 LINE1:reqmin#a0a0a0: \ 104 LINE1:reqmax#a0a0a0: \ 105 LINE2:req#00a735:requests" 106 107 108 $RRDTOOL graph $OUTDIR/$OUTPRE-hour.png -a PNG --start -14400 $DISP 109 $RRDTOOL graph $OUTDIR/$OUTPRE-day.png -a PNG --start -86400 $DISP 110 $RRDTOOL graph $OUTDIR/$OUTPRE-month.png -a PNG --start -2592000 $DISP 111 112
