Some Performance Problems

[Santosh Koti]

Hi Folks,   I was tuning a J2EE app on the Geronimo, but the response time & pages/sec  appears to be very low (infact unacceptable).   To be exact the figures read : Response time: 4-5 sec                                             Pages per sec: 0.2-1.4                                              Load : 25               (Even for 1 user , it was not very much appreciable ..:-(  )     The same app on other server(s) showed the following figures :                          Response time: .03 sec                          Pages per sec: 18-20                           Load: 25   (PS: The difference looks enormous, I am sure Geronimo is not that bad, as the figures indicate)   I am trying to figure the sources of any bottlenecks, that is causing the server with a very slow behaviour.   I am sure some1 would have done such tests earlier. Any lights/guidelines/pointers/approaches on this..?   As Matt mentioned earlier, I have set my heap size to 1 gb & connection pools to 60.   PS1: Can some1 point me how tomcat can be configured in the Geronimo (I guess it is not as st forward as it is , when used in isolation).   In my config.xml I added the following stuff:               ---------------Begin- Listing----------------- <gbean name="TomcatWebConnector">       <attribute name="host">0.0.0.0</attribute>       <attribute name="port">port</attribute>       <attribute name="redirectPort">8443</attribute>       <attribute name="maxHttpHeaderSizeBytes">8192</attribute>       <attribute name="maxThreads">150</attribute>       <attribute name="minSpareThreads">25</attribute>       <attribute name="maxSpareThreads">75</attribute>       <attribute name="acceptQueueSize">100</attribute>     </gbean>           <gbean name="TomcatAJPConnector">       <attribute name="host">0.0.0.0</attribute>       <attribute name="port">8009</attribute>       <attribute name="redirectPort">8443</attribute>       <attribute name="maxHttpHeaderSizeBytes">8192</attribute>       <attribute name="maxThreads">150</attribute>       <attribute name="minSpareThreads">25</attribute>       <attribute name="maxSpareThreads">75</attribute>       <attribute name="acceptQueueSize">100</attribute>                </gbean>             ---------------End---Lisitng-----------------       Thanks, Santosh. "Don't talk about yourself; it will be done when you leave. "   **************** CAUTION - Disclaimer ***************** This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS******** End of Disclaimer ********INFOSYS***