Howdy, It's normal: the classloader and associated objects can't get recycled and classes are stored in the permanent area. You can tweak the JVM's MaxPermSize if you'd like. As you noted, restarting your context all the time is not a typical production scenario.
Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Vitor Buitoni [mailto:[EMAIL PROTECTED] >Sent: Wednesday, February 04, 2004 6:58 AM >To: Tomcat Users List >Subject: Memory usage raises when reloading a context > >Every time that i reload a context (through the tomcat manager) the >memory usage of the tomcat grows up a bit, and it doesn't go down again. >Every time the context is reloaded the memory usage raises, until the >jvm begins to throw OutOfMemory errors. Then i have to restart tomcat >(of course). > >Although this isn't a big problem in a production environment, where the >applications keep running without reloads, here in our development >environment this is becoming a problem, since every time we make a >modification we have to reload the application. > >I downloaded jvmstat to monitor the jvm, and i noticed that when an >application is reloaded, the overall heap usage increases and the jvm gc >moves a lot of objects to the heap's permanent area. I think that this >might be the main problem. Because even if the old area increases, it >will sometime get garbage collected and the memory freed. And this i >could confirm using jvmstat. But the objects that are in the permanent >area will never be garbage collected. > >Is this behaviour normal? Or maybe it's a problem with my specific >configuration? > >I'm using tomcat 5.0.16, sun jvm 1.4.2_03-b02, redhat 9. > >Thanks! > >Vitor > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
