<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >XDB Backend</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="Backends in detail" HREF="backends-detail.html"><LINK REL="PREVIOUS" TITLE="ODBC backend" HREF="odbc.html"><LINK REL="NEXT" TITLE="LDAP backend" HREF="ldap.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="odbc.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Appendix A. Backends in detail</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ldap.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="XDBBACKEND" >A.11. XDB Backend</A ></H1 ><P > Special purpose backend for grandiose performance. Can talk to Tridge's Trivial Database, or to regular *db tables on disk. Currently only sparsely documented. Very useful if you need to do >50.000 queries/second, which we actually measured on the .ORG zone. </P ><P > More documentation will follow. </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="odbc.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="ldap.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ODBC backend</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="backends-detail.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >LDAP backend</TD ></TR ></TABLE ></DIV ></BODY ></HTML >