Jvmstat at http://developers.sun.com/techtopics/emergingtech/ is rather cute.
> -----Original Message----- > From: Roman Fail [mailto:[EMAIL PROTECTED] > Sent: Wednesday, June 11, 2003 4:11 PM > To: [EMAIL PROTECTED] > Subject: JVM Profilers > > > I am considering purchase of JProfiler, OptimizeIt 5.5, or > JProbe. Does anyone have wisdom to share on the features of > each? Are there other good profilers I should consider? > > We have been experiencing regular JVM crashes on our > production Tomcat 4.1.24 installation. Originally we were > running the Sun HotSpot 1.4.1_02 client, then server (on RH > Linux 8.0). Now we've switched to BEA JRockit 8.1 and are > still having crashes, clearly something is bad in our code - > or perhaps we need to start load-balancing. We have tuned > obvious kernel parameters like file-max, and have 2GB > physical memory (1GB is given to tomcat's heap), dual Intel > processors. Besides a few small Java-based daemons on the > server, it is dedicated to tomcat. > > We recently migrated from a Windows 2000/ServletExec 3.1/Sun > HotSpot client 1.3.1 environment which didn't have these > problems - I'm not sure what to think at this point. > > Please reply directly to me (and cc the list) as I receive > only the digest version. > > Thanks! > > Roman Fail > POS Portal, Inc. > Sacramento, CA USA > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
