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<P><FONT SIZE=2 FACE="Arial">I am still playing around with load/stress testing my FDS install. I am using slamd to run the tests, and I am running the basic load, and the basic search tests against my test boxes, The slamd client and the FDS server are on identical hardware running RHEL4 with 2G memory, and 2 Intel Xeon 3.6GHz processors. The issue I am seeing is that I am getting "cannot connect to the ldap server" errors once I push the "threads per client" past 2400. My question is am I hitting a limit on the OS (max tcp connections)? Or a FDS limit? My assumption was that given appropriate hardware, and proper configuration, I could expect FDS to handle more than 2400 concurrent connections. Any insights as to what I might be missing would be greatly appreciated.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Thanks</FONT>
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<P><B><FONT SIZE=2 FACE="Arial">FDS Config:</FONT></B>
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<P><FONT SIZE=2 FACE="Arial">Performance settings are:</FONT>
<BR><FONT SIZE=2 FACE="Arial">Time Limit: 3600</FONT>
<BR><FONT SIZE=2 FACE="Arial">Max file descriptors: 65535</FONT>
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<P><FONT SIZE=2 FACE="Arial">Database Link Connection Management Settings</FONT>
<BR><FONT SIZE=2 FACE="Arial">Max TCP connections: 6</FONT>
<BR><FONT SIZE=2 FACE="Arial">Bind Timeout: 15</FONT>
<BR><FONT SIZE=2 FACE="Arial">Max binds per conn: 20</FONT>
<BR><FONT SIZE=2 FACE="Arial">Timeout before Abandon: 1</FONT>
<BR><FONT SIZE=2 FACE="Arial">Max LDAP Conn: 40</FONT>
<BR><FONT SIZE=2 FACE="Arial">Max bind retries: 6</FONT>
<BR><FONT SIZE=2 FACE="Arial">Max operations/conn: 2</FONT>
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<P><FONT SIZE=2 FACE="Arial">Database Settings:</FONT>
<BR><FONT SIZE=2 FACE="Arial">Max Cache Size: 66060288</FONT>
<BR><FONT SIZE=2 FACE="Arial">Mem Avail for cache: 105622733</FONT>
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<P><FONT SIZE=2 FACE="Arial">Note: uidnumber is indexed</FONT>
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<P><B><FONT SIZE=2 FACE="Arial">SLAMD test parameters:</FONT></B>
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<P><FONT FACE="Arial">Scheduled Start Time 06/05/2007 13:10:46 </FONT>
<BR><FONT FACE="Arial">Scheduled Stop Time (not specified) </FONT>
<BR><FONT FACE="Arial">Scheduled Duration 300 seconds </FONT>
<BR><FONT FACE="Arial">Number of Clients 1 </FONT>
<BR><FONT FACE="Arial">Wait for Available Clients true </FONT>
<BR><FONT FACE="Arial">Monitor Clients if Available false </FONT>
<BR><FONT FACE="Arial">Threads per Client 2400 </FONT>
<BR><FONT FACE="Arial">Thread Startup Delay 0 milliseconds </FONT>
<BR><FONT FACE="Arial">Statistics Collection Interval 60 seconds </FONT>
<BR><FONT FACE="Arial">Job Dependencies (none specified)<BR>
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<BR><FONT FACE="Arial">Notify on Completion (none specified) </FONT>
<BR><FONT FACE="Arial"> </FONT>
<BR><B><FONT FACE="Arial">Parameter Information</FONT></B> <FONT FACE="Arial"> </FONT>
<BR><FONT FACE="Arial">Directory Server Host app2 </FONT>
<BR><FONT FACE="Arial">Directory Server Port 389 </FONT>
<BR><FONT FACE="Arial">Bind DN (not specified) </FONT>
<BR><FONT FACE="Arial">Bind Password (not specified) </FONT>
<BR><FONT FACE="Arial">Search Base dc=calpers,dc=ca,dc=gov </FONT>
<BR><FONT FACE="Arial">Search Scope Whole Subtree </FONT>
<BR><FONT FACE="Arial">Search Filter uidnumber=50000 </FONT>
<BR><FONT FACE="Arial">Filter File URL (not specified) </FONT>
<BR><FONT FACE="Arial">Attributes to Return uidnumber </FONT>
<BR><FONT FACE="Arial">Warm Up Time 0 </FONT>
<BR><FONT FACE="Arial">Cool Down Time 0 </FONT>
<BR><FONT FACE="Arial">Search Size Limit 0 </FONT>
<BR><FONT FACE="Arial">Search Time Limit 0 </FONT>
<BR><FONT FACE="Arial">Time Between Requests (ms) 0 </FONT>
<BR><FONT FACE="Arial">Use SSL false </FONT>
<BR><FONT FACE="Arial">Blindly Trust Any Certificate true </FONT>
<BR><FONT FACE="Arial">SSL Key Store (not specified) </FONT>
<BR><FONT FACE="Arial">SSL Key Store Password (not specified) </FONT>
<BR><FONT FACE="Arial">SSL Trust Store (not specified) </FONT>
<BR><FONT FACE="Arial">SSL Trust Store Password (not specified) </FONT>
<BR><FONT FACE="Arial">Number of Iterations -1 </FONT>
<BR><FONT FACE="Arial">Always Disconnect false </FONT>
<BR><FONT FACE="Arial">Follow Referrals false </FONT>
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<P><FONT SIZE=2 FACE="Arial"> </FONT>
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<P ALIGN=CENTER><B><I><FONT FACE="Times New Roman">Cary Anderson</FONT></I><FONT FACE="Times New Roman">, Systems Software Specialist</FONT></B><BR>
<B><FONT FACE="Times New Roman">UNIX/Linux Services</FONT></B></P>
<P ALIGN=CENTER><I><FONT SIZE=2 FACE="Arial Narrow">Information Technology Services Branch<BR>
Technology Services & Support Division / Data Center Section</FONT></I></P>
<P ALIGN=CENTER><I><FONT SIZE=2 FACE="Arial Narrow">System Software & Storage Infrastructure</FONT></I><BR>
<I></I><I></I><I><FONT COLOR="#008080" SIZE=2 FACE="CalPERSLogo">f</FONT></I><I><B></B></I><B></B><B></B><B><FONT FACE="Times New Roman">CalPERS</FONT></B><FONT FACE="Times New Roman"><BR>
Phone: (916) 795-2588</FONT><FONT SIZE=2 FACE="Times New Roman"></FONT> <FONT FACE="Times New Roman"><BR>
Fax: (916) 795-2424 </FONT></P>
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