> From: Leo Donahue [mailto:donahu...@gmail.com] > Subject: Re: heap thrashing
> > I see this topic come up from time to time on the list. Can someone point > > me to what heap thrashing looks like? > > Is heap thrashing a very "closely spaced" saw tooth pattern? Very often. > This is about as close as I can find that is similar to what I'm seeing. > http://i.stack.imgur.com/B9oPL.png That is characteristic of something in the webapp consuming lots of short-lived objects (no memory leak). Without an actual heap analysis, you can't tell if it's a small number of large objects or a large number of small ones. Using a heap profiler should help find what's eating the space. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
