Am Dienstag, den 20.06.2006, 15:08 +0200 schrieb Norman Maurer: > Am Dienstag, den 20.06.2006, 15:02 +0200 schrieb Bernd Fondermann: > > Norman Maurer wrote: > > > Hi guys, > > > > > > any has ever test the memory usage of james when used in big enviroment > > > and cannot deliver mail. We otice that if we use james and it try to > > > deliver emails is seems that it never release the memory after timeout. > > > So the load and memory usage get bigger with every message which can not > > > get delievert. If we use a stadardgateway for outgoing email and james > > > will so never gt a timout the memoryusage and load keeps constant. > > > > Its not uncommon for Java VMs to _visibly_ free memory only when really > > needed. This is totally under the control of the JVM. In real life, when > > you see constantly growing heap sizes it may or may not be due to > > unreleased memory or leaks. You can only definitivly say you ran short > > of memory when you are seeing an OutOfMemory exception. Memory > > organisation and garbage collection in Java is a science of its own. > > Yes thats right but i set -Xmx256M . So it should not use more then > that. But java consumn all of me free 1,8 GB and after that also consumn > 2 GB swap. That not normal! > > > > > > Bernd, have you ever tried this in postage ?Anyone else have expirence? > > > > Sure, I am tracking memory usage under Postage. If you have any > > questions concerning that, I'll be happy to answer them. > > > > Depending on the configuration (repository types) the 'memory > > fingerprint' of James varies, but not dramatically. Sooner or later, > > with reasonable load, you run out of memory. Optimisation in this area > > should be a topic for a future release. > > > > > We use the current 2.3-branch from svn. > > > > With high enough load, you run into problems in 2.2 and 2.3. > > > > Bernd > > > Yeah thats right. But i not seen a OOM yet. It only consums all Memory > and setup high load. Thats all! > > Here a bit more infos: > > Kernel: 2.6.15-23-amd64-generic > OS: Ubuntu Dapper amd64 > java: 1.5 > > DeliveryTrheads: 1x5 , 1x3 ,1x1 > Spools: mysql 4.1 > > bye > Norman > >
Anyway.. its fixed now.. Some of our developer of some costum mailets build a infinity loop.. Sorry for that. bye Norman
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