<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Via init.d commands</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PowerDNS manual" HREF="index.html"><LINK REL="UP" TITLE="Logging & Monitoring Authoritative Server performance" HREF="monitoring.html"><LINK REL="PREVIOUS" TITLE="Logging & Monitoring Authoritative Server performance" HREF="monitoring.html"><LINK REL="NEXT" TITLE="Operational logging using syslog" HREF="syslog.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PowerDNS manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="monitoring.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 6. Logging & Monitoring Authoritative Server performance</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="syslog.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="INIT-D-COMMANDS" >6.2. Via init.d commands</A ></H1 ><P > As mentioned before, the init.d commands <B CLASS="COMMAND" >dump</B >, <B CLASS="COMMAND" >show</B > and <B CLASS="COMMAND" >mrtg</B > fetch data from a running PDNS process. Especially <B CLASS="COMMAND" >mrtg</B > is powerful - it outputs data in a format that is ready for processing by the MRTG graphing tool. </P ><P > MRTG can make insightful graphics on the performance of your nameserver, enabling the operator to easily spot trends. MRTG can be found on <A HREF="http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg.html" TARGET="_top" > http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg.html </A > </P ><P > A sample mrtg.conf: <PRE CLASS="SCREEN" >Interval: 5 WorkDir: /var/www/mrtg WriteExpires: yes Options[_]: growright,nopercent XSize[_]: 600 #--------------------------------------------------------------- Target[udp-queries]: `/etc/init.d/pdns mrtg udp-queries udp-answers` Options[udp-queries]: growright,nopercent,perminute MaxBytes[udp-queries]: 600000 AbsMax[udp-queries]: 600000 Title[udp-queries]: Queries per minute PageTop[udp-queries]: <H2>Queries per minute</H2> WithPeak[udp-queries]: ymwd YLegend[udp-queries]: queries/minute ShortLegend[udp-queries]: q/m LegendI[udp-queries]: udp-questions LegendO[udp-queries]: udp-answers Target[perc-failed]: `/etc/init.d/pdns mrtg udp-queries udp-answers` Options[perc-failed]: growright,dorelpercent,perminute MaxBytes[perc-failed]: 600000 AbsMax[perc-failed]: 600000 Title[perc-failed]: Queries per minute, with percentage success PageTop[perc-failed]: <H2>Queries per minute, with percentage success</H2> WithPeak[perc-failed]: ymwd YLegend[perc-failed]: queries/minute ShortLegend[perc-failed]: q/m LegendI[perc-failed]: udp-questions LegendO[perc-failed]: udp-answers Target[packetcache-rate]: `/etc/init.d/pdns mrtg packetcache-hit udp-queries` Options[packetcache-rate]: growright,dorelpercent,perminute Title[packetcache-rate]: packetcache hitrate MaxBytes[packetcache-rate]: 600000 AbsMax[packetcache-rate]: 600000 PageTop[packetcache-rate]: <H2>packetcache hitrate</H2> WithPeak[packetcache-rate]: ymwd YLegend[packetcache-rate]: queries/minute ShortLegend[packetcache-rate]: q/m LegendO[packetcache-rate]: total LegendI[packetcache-rate]: hit Target[packetcache-missrate]: `/etc/init.d/pdns mrtg packetcache-miss udp-queries` Options[packetcache-missrate]: growright,dorelpercent,perminute Title[packetcache-missrate]: packetcache MISSrate MaxBytes[packetcache-missrate]: 600000 AbsMax[packetcache-missrate]: 600000 PageTop[packetcache-missrate]: <H2>packetcache MISSrate</H2> WithPeak[packetcache-missrate]: ymwd YLegend[packetcache-missrate]: queries/minute ShortLegend[packetcache-missrate]: q/m LegendO[packetcache-missrate]: total LegendI[packetcache-missrate]: MISS Target[latency]: `/etc/init.d/pdns mrtg latency` Options[latency]: growright,nopercent,gauge MaxBytes[latency]: 600000 AbsMax[latency]: 600000 Title[latency]: Query/answer latency PageTop[latency]: <H2>Query/answer latency</H2> WithPeak[latency]: ymwd YLegend[latency]: usec ShortLegend[latency]: usec LegendO[latency]: latency LegendI[latency]: latency Target[recursing]: `/etc/init.d/pdns mrtg recursing-questions recursing-answers` Options[recursing]: growright,nopercent,gauge MaxBytes[recursing]: 600000 AbsMax[recursing]: 600000 Title[recursing]: Recursive questions/answers PageTop[recursing]: <H2>Recursing questions/answers</H2> WithPeak[recursing]: ymwd YLegend[recursing]: queries/minute ShortLegend[recursing]: q/m LegendO[recursing]: recursing-questions LegendI[recursing]: recursing-answers </PRE > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="monitoring.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="syslog.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Logging & Monitoring Authoritative Server performance</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="monitoring.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Operational logging using syslog</TD ></TR ></TABLE ></DIV ></BODY ></HTML >