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1.4.33

    1: =======
    2: rrdtool
    3: =======
    4: 
    5: -------------------
    6: Module: mod_rrdtool
    7: -------------------
    8: 
    9: :Author: Jan Kneschke
   10: :Date: $Date: 2013/10/14 10:32:48 $
   11: :Revision: $Revision: 1.1.1.1 $
   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: 
   21: Description
   22: ===========
   23: 
   24: RRD_ is a system to store and display time-series data (i.e. network
   25: bandwidth, machine-room temperature, server load average).
   26: 
   27: .. _RRD: http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/
   28: 
   29: Options
   30: =======
   31: 
   32: rrdtool.binary
   33:   path to the rrdtool binary
   34: 
   35:   e.g.: ::
   36: 
   37:     rrdtool.binary = "/usr/bin/rrdtool"
   38: 
   39: rrdtool.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: 
   47: Generating 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: