<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 98.2 beta6 (August 14th, 1998) original version by: Nikos Drakos, CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>Moderate Load</TITLE> <META NAME="description" CONTENT="Moderate Load"> <META NAME="keywords" CONTENT="nfs"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <LINK REL="STYLESHEET" HREF="nfs.css"> <LINK REL="next" HREF="node16.html"> <LINK REL="previous" HREF="node14.html"> <LINK REL="up" HREF="node13.html"> <LINK REL="next" HREF="node16.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html187" HREF="node16.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="/usr/lib/latex2html/icons.png/next_motif.png"></A> <A NAME="tex2html185" HREF="node13.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="/usr/lib/latex2html/icons.png/up_motif.png"></A> <A NAME="tex2html179" HREF="node14.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="/usr/lib/latex2html/icons.png/previous_motif.png"></A> <BR> <B> Next:</B> <A NAME="tex2html188" HREF="node16.html">Heavy Load</A> <B> Up:</B> <A NAME="tex2html186" HREF="node13.html">The Kernel-Space NFS Server</A> <B> Previous:</B> <A NAME="tex2html180" HREF="node14.html">Light Load</A> <BR> <BR> <!--End of Navigation Panel--> <H3><A NAME="SECTION00042200000000000000"> Moderate Load</A> </H3> <P> To simulate the moderate load, we set the initial load to 500 and increment the load by 500 at each run: <P> <DIV ALIGN="CENTER"> <TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="CENTER">Run</TD> <TD ALIGN="CENTER"># of Server</TD> <TD ALIGN="CENTER"># of</TD> <TD ALIGN="CENTER"># of Processes</TD> <TD ALIGN="CENTER">Load</TD> <TD ALIGN="CENTER">Throughput</TD> <TD ALIGN="CENTER">Response Time</TD> </TR> <TR><TD ALIGN="CENTER"> </TD> <TD ALIGN="CENTER">Threads</TD> <TD ALIGN="CENTER">Clients</TD> <TD ALIGN="CENTER">Per Client</TD> <TD ALIGN="CENTER">(Ops/Sec)</TD> <TD ALIGN="CENTER">(Ops/Sec)</TD> <TD ALIGN="CENTER">(Msec/Op)</TD> </TR> <TR><TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">500</TD> <TD ALIGN="CENTER">498</TD> <TD ALIGN="CENTER">8.1</TD> </TR> <TR><TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1000</TD> <TD ALIGN="CENTER">380</TD> <TD ALIGN="CENTER">22.3</TD> </TR> <TR><TD ALIGN="CENTER">3</TD> <TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1500</TD> <TD ALIGN="CENTER">274</TD> <TD ALIGN="CENTER">30.9</TD> </TR> <TR><TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">2000</TD> <TD ALIGN="CENTER">223</TD> <TD ALIGN="CENTER">38.1</TD> </TR> <TR><TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">500</TD> <TD ALIGN="CENTER">500</TD> <TD ALIGN="CENTER">5.5</TD> </TR> <TR><TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1000</TD> <TD ALIGN="CENTER">607</TD> <TD ALIGN="CENTER">14.1</TD> </TR> <TR><TD ALIGN="CENTER">3</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1500</TD> <TD ALIGN="CENTER">453</TD> <TD ALIGN="CENTER">18.7</TD> </TR> <TR><TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">2000</TD> <TD ALIGN="CENTER">373</TD> <TD ALIGN="CENTER">22.8</TD> </TR> <TR><TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">500</TD> <TD ALIGN="CENTER">499</TD> <TD ALIGN="CENTER">3.6</TD> </TR> <TR><TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1000</TD> <TD ALIGN="CENTER">992</TD> <TD ALIGN="CENTER">8.1</TD> </TR> <TR><TD ALIGN="CENTER">3</TD> <TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1500</TD> <TD ALIGN="CENTER">790</TD> <TD ALIGN="CENTER">11.0</TD> </TR> <TR><TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">2000</TD> <TD ALIGN="CENTER">612</TD> <TD ALIGN="CENTER">13.6</TD> </TR> <TR><TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">8</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">500</TD> <TD ALIGN="CENTER">497</TD> <TD ALIGN="CENTER">2.9</TD> </TR> <TR><TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">8</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1000</TD> <TD ALIGN="CENTER">1005</TD> <TD ALIGN="CENTER">4.1</TD> </TR> <TR><TD ALIGN="CENTER">3</TD> <TD ALIGN="CENTER">8</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1500</TD> <TD ALIGN="CENTER">1245</TD> <TD ALIGN="CENTER">9.1</TD> </TR> <TR><TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">8</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">2000</TD> <TD ALIGN="CENTER">939</TD> <TD ALIGN="CENTER">11.9</TD> </TR> <TR><TD ALIGN="CENTER">1</TD> <TD ALIGN="CENTER">16</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">500</TD> <TD ALIGN="CENTER">498</TD> <TD ALIGN="CENTER">3.0</TD> </TR> <TR><TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">16</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1000</TD> <TD ALIGN="CENTER">1006</TD> <TD ALIGN="CENTER">4.6</TD> </TR> <TR><TD ALIGN="CENTER">3</TD> <TD ALIGN="CENTER">16</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">1500</TD> <TD ALIGN="CENTER">1242</TD> <TD ALIGN="CENTER">9.0</TD> </TR> <TR><TD ALIGN="CENTER">4</TD> <TD ALIGN="CENTER">16</TD> <TD ALIGN="CENTER">5</TD> <TD ALIGN="CENTER">2</TD> <TD ALIGN="CENTER">2000</TD> <TD ALIGN="CENTER">924</TD> <TD ALIGN="CENTER">12.1</TD> </TR> </TABLE> </DIV> <P> The benchmark numbers indicate that under the moderate load, when the number of the server threads is above 8, the bottleneck is the network interface. <P> <HR> <!--Navigation Panel--> <A NAME="tex2html187" HREF="node16.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="/usr/lib/latex2html/icons.png/next_motif.png"></A> <A NAME="tex2html185" HREF="node13.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="/usr/lib/latex2html/icons.png/up_motif.png"></A> <A NAME="tex2html179" HREF="node14.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="/usr/lib/latex2html/icons.png/previous_motif.png"></A> <BR> <B> Next:</B> <A NAME="tex2html188" HREF="node16.html">Heavy Load</A> <B> Up:</B> <A NAME="tex2html186" HREF="node13.html">The Kernel-Space NFS Server</A> <B> Previous:</B> <A NAME="tex2html180" HREF="node14.html">Light Load</A> <!--End of Navigation Panel--> <ADDRESS> <I>H.J. Lu</I> <BR><I>1999-08-15</I> </ADDRESS> </BODY> </HTML>