-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Leon,
On 2/16/2011 11:53 AM, Leon Rosenberg wrote: > On Wed, Feb 16, 2011 at 5:37 PM, Caldarale, Charles R > <chuck.caldar...@unisys.com> wrote: >>> From: Christopher Schultz [mailto:ch...@christopherschultz.net] >>> Subject: Re: [OT] OutOfMemoryError: GC overhead limit exceeded >> >>> Here's what jmap reports this morning: >> >>> PS Old Generation >>> capacity = 134217728 (128.0MB) >>> used = 61911720 (59.043617248535156MB) >>> free = 72306008 (68.95638275146484MB) >>> 46.12782597541809% used >> >> Interesting. Something must have broken loose overnight. >> >>> Does this look healthy enough to continue, or should I >>> schedule a restart ASAP? >> >> I'd let it run, and see what happens. >> >>> I suspect one (or more) of those operations was performed >>> and the objects were reachable for a while (lived in the >>> session, probably) but then eventually became collectible >>> and GC recovered. >> >> Sounds highly plausible. > > Do you log number of users/sessions? Would probably be interesting to > see this in correlation. Not currently. We're working on some decent instrumentation tools to basically log all kinds of stuff like this on a regular interval... say every minute or five minutes. I could connect to the JVM using JConsole and ask Tomcat for the session count (all users have a session) but the event is long gone so any information I get now would not be directly relevant. Thanks, - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk1cBnUACgkQ9CaO5/Lv0PCJRwCgo+ssFInOJ53tJQrO1ZdNhFPk UW0An1sKMuCkckA8Rjwzu23xM0CmxOAY =jBKF -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
