When I run the examples with -verbose:gc this is what I get (just the snippits at the end)
>From uncompiled jsp pages [GC 14707K->13665K(28412K), 0.0059002 secs] [GC 15521K->15518K(28412K), 0.0128997 secs] [GC 17374K->16086K(28412K), 0.0092266 secs] [GC 17942K->16258K(28412K), 0.0086307 secs] [GC 18114K->16213K(28412K), 0.0046327 secs] [GC 18069K->17934K(28412K), 0.0114056 secs] [GC 19790K->19672K(28412K), 0.0155838 secs] Did you see me on the stderr window? Did you see me on the browser window as well? [GC 21520K->20092K(28412K), 0.0094920 secs] [GC 21947K->20095K(28412K), 0.0075890 secs] [GC 21951K->21758K(28412K), 0.0131385 secs] [GC 23614K->23528K(28412K), 0.0137372 secs] [GC 25384K->23769K(28412K), 0.0079125 secs] [GC 25625K->24336K(28412K), 0.0073652 secs] [GC 26192K->26170K(28412K), 0.0153369 secs] [GC 28026K->27460K(29436K), 0.0190963 secs] [Full GC 27460K->15538K(29436K), 0.2839948 secs] [GC 17394K->15720K(28412K), 0.0060262 secs] [GC 17575K->15746K(28412K), 0.0046218 secs] [GC 17602K->15745K(28412K), 0.0027241 secs] [GC 17601K->15745K(28412K), 0.0025604 secs] [GC 17601K->15746K(28412K), 0.0026679 secs] Stopping service Tomcat-Standalone >From compiled jsp pages [GC 11356K->10577K(14028K), 0.0061505 secs] [GC 11532K->11034K(14028K), 0.0046978 secs] [GC 11994K->11305K(14028K), 0.0060575 secs] [GC 12265K->11341K(14028K), 0.0059876 secs] [GC 12297K->11396K(14028K), 0.0065578 secs] [GC 12356K->11538K(14028K), 0.0063572 secs] [GC 12498K->11598K(14028K), 0.0040036 secs] [GC 12558K->11965K(14028K), 0.0052529 secs] Did you see me on the stderr window? Did you see me on the browser window as well? [GC 12925K->12020K(14028K), 0.0046872 secs] Stopping service Tomcat-Standalone As you can see there is about a 4 meg diff between the two This is using j2sdk 1.4.1 on windows XP with 512 ram using tomcat 4.1.14LE > -----Original Message----- > From: peter lin [mailto:[EMAIL PROTECTED]] > Sent: Thursday, November 21, 2002 10:56 AM > To: Tomcat Developers List > Subject: Re: Javac memory leak > > > > Just to double check against tomcat 4.1.12, the memory usage > seems normal to me John. After tomcat starts up, it is using > 23megs. My webapp loads when tomcat starts up, so your > numbers may be lower. The system has 256megs of memory and > 750mhz cpu. > > after I I hit all the pages in /examples/jsp/ directory, the > memory allocated to java is 40megs. > > I even ran it with OptimizeIt and I don't see any memory leaks. > > peter > > > peter lin wrote: > > > > that is unusual. I've done baseline performance tests with the > > standard examples and haven't seen that kind of behavior with > > 4.1.10-12. Can you start tomcat with verbose:gc and see > what kind of > > output you're getting. Just because the memory allocated > to Java is > > 58megs at the end, it doesn't mean it's actually using all of it > > actively. getting the GC output will tell you how much memory is > > being used, when GC runs and whether or not a fullGC ran. > > > > in past experience with 4.0.4, after loading all the example pages > > tomcat's memory allocation is around 45megs. > > > > peter > > > > John Trollinger wrote: > > > > > > Ok, > > > > > > I did some testing running 4.1.14 as a service... > > > > > > Now my knowledge of memory management is not so good so > this might > > > mean nothing. > > > > > > When running as a service if I goto every example jsp page (the > > > examples that come with the install) > > > > > > Compiled > > > Memory starts at 37872 and ends at 39048 > > > > > > Not compiled > > > Memory starts at 39635 and ends at 58760 > > > > > > Does this not look like a memory leak in the jsp compile code?? > > > > > > Thanks, > > > > > > John > > > > > > > -----Original Message----- > > > > From: Holger Brozio [mailto:[EMAIL PROTECTED]] > > > > Sent: Wednesday, November 20, 2002 12:14 PM > > > > To: Tomcat Developers List > > > > Subject: Re: Javac memory leak > > > > > > > > > > > > I also have no memory leak problems now with Tomcat 4.1.12. But > > > > i'm using jikes instead of javac as jsp page compiler. > > > > > > > > Whats about switching to jikes. If the memory leak > problem is gone > > > > with jikes, javac still leaks memory, otherwise it is a > problem in > > > > the jsp pages. > > > > > > > > Cheers > > > > > > > > Holger > > > > ----- Original Message ----- > > > > From: "John Trollinger" <[EMAIL PROTECTED]> > > > > To: <[EMAIL PROTECTED]> > > > > Sent: Wednesday, November 20, 2002 3:39 PM > > > > Subject: Javac memory leak > > > > > > > > > > > > > Does anyone know if the javac memory leak still exists > > > > (1.4.1 docs say > > > > > it does not). > > > > > > > > > > I have a test the goes through a bunch of jsp pages > and if they > > > > > are not precompiled I get a out of memory exception. > > > > > > > > > > > > > > > Thanks, > > > > > > > > > > John > > > > > > > > > > > > > > > -- > > > > > To unsubscribe, e-mail: > > > > <mailto:[EMAIL PROTECTED]> > > > > > For additional commands, e-mail: > > > > <mailto:[EMAIL PROTECTED]> > > > > > > > > > > > > > > > > > -- > > > > To unsubscribe, e-mail: > > > > <mailto:tomcat-dev-> [EMAIL PROTECTED]> > > > > For > > > > additional commands, > > > > e-mail: <mailto:[EMAIL PROTECTED]> > > > > > > > > > > -- > > > To unsubscribe, e-mail: > <mailto:tomcat-dev-> [EMAIL PROTECTED]> > > > For > additional commands, e-mail: > > > <mailto:[EMAIL PROTECTED]> > > > > -- > > To unsubscribe, e-mail: > <mailto:tomcat-dev-> [EMAIL PROTECTED]> > > For > additional commands, > e-mail: > > <mailto:[EMAIL PROTECTED]> > > -- > To unsubscribe, e-mail: > <mailto:tomcat-dev-> [EMAIL PROTECTED]> > For > additional commands, > e-mail: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
