>Before my manager insists that we switch to JRun, Arg !!!
>can any of >the Tomcat >developers help with a problem of an ever increasing heap size of the >Tomcat java.exe. ?? (We are running Tomcat 3.2.3 and JRE1.3.1. and the >IIS redirector) May I suggest you to switch to Tomcat 3.3 instead which is faster than TC 3.2 and give you better arguments for your manager ?) >We are running a load test using LoadRunner scripts on some JSP and >servlets that are running under Tomcat. The load is not all that heavy >but the heap size of the Tomcat java.exe process keeps growing and >growing. We modified the java command line to start with -Xmx128m to >allow 128 MB of heap but we still max out after a day or so. We even >modified one of our servlets to create a thread that runs Runtime.gc() >every 30 seconds. The LoadRunner scripts just keep logging >in the same >5 people via our authentication servlet so you would think memory use >would level out at some point. Tomcat 3.3 is more efficient in memory allocation and reuse which give you a more stable and less memory hog servlet engine than previous release. Nota that Tomcat 3.3 is the Reference Implementation for Servlet 2.2/JSP 1.1 Also jsp are really faster in TC 3.3 than in TC 3.2 >Nothing we do seems to keep the heap size from growing. > >Are there known issues with Tomcat and heap size?? > >Doing a web search revealed numerous posts with people having similar >problems so I believe there is a problem. The standard response these >people receive is to increase the heap size via -Xmx But that seems >like a band-aid rather than a real solution. That just delays the >inevitable. > >Any insight as to how to keep the Tomcat process from grabbing more and >more memory would be appreciated. Do you try : -Xms128 -Xmx128M ? -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
