I have experienced similar kind of memory leak, but that was while reloading the context. There was a steady increase in the memory usage after each autoReload of my struts 1.2.7-hibernate 2.1.8 powered webApp in Tomcat 5.5.7/JDK 1.5/Fedora Core 2. At the beginning: the process memory used by tomcat was 6.6%, then after each reload it went on slight increase such as: 7.8%, 8.3%, 8.8%, 9.1%, 10.1%, 10.7%....Then I shutdown the tomcat server and restarted the server, I saw the memory usage as 6.4%, then on the next reload the usage was 7.9%..... Meanwhile, the Java memory ( Runtime.getRuntime().totalMemory() – Runtime.getRuntime().freeMemory() ) seem to stay pretty stabilized....So, basically only process memory is increasing...which tells me that there is a leak in native memory. I saw similar threads like this when somebody had memory leaks with application reload/startup/shutdown with Tomcat Manager webapp... I am also looking for a good direction to move ahead.
On 6/10/05, Mark Thomas <[EMAIL PROTECTED]> wrote: > Does your profiling tool tell you the classes of the objects being > created? Can you take a snapshot at two points in time, compare them and > see what is different? If we know the class of the objects being > created, it gives us a pretty good pointer as to where to start looking. > Without this information, it is needle in haystack time. > > If your profiler doesn't do this, you probably need to get a new profiler. > > Mark > > Ed Hamilton wrote: > > I posted something similar to the Tomcat bug list and was asked to move it > > here. My first mailing to this list, so please correct any gaffes on my > > part... > > > > I'm running Tomcat 5.5.9; isapi redirector 1.2.13; J2SE 1.5.0.03; JDBC > > 3.1.8a; to support 2 very low volume websites. I have some kind of memory > > leak which triples tomcat's memory usage over about 4-5 days. > > > > I downloaded and installed AppPerfect profiler, and it shows a steady, > > consistent increase in objects and a corresponding decrease in the heap > > size. Even with my webserver shutdown and no Tomcat usage, this leak is > > persistent. The memory leak checker portion of AppPerfect reports multiple > > memory leaks (even with the web server shutdown as I mentioned.) > > > > Can anybody help me figure out how to find out where this is coming from? > > > > Best regards, > > Ed Hamilton > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
