This is impressive, I had this in any Linux I've been using: SuSE, Ubuntu, Debian, Mandrake, ... Maybe there's some modern JDK with a modern Linux where it doesn't happen?
It surely is not one process per thread though.

paul


Le 02-juin-10 à 16:29, Michael Kuhlmann a écrit :

Am 02.06.2010 16:13, schrieb Paul Libbrecht:
Is your server Linux?
In this case this is very normal.. any java application spawns many new processes on linux... it's not exactly bound to threads unfortunately.

Uh, no. New threads in Java typically don't spawn new processes on OS level.

I never had more than one tomcat process on any Linux machine. In fact,
if there was more than one because a previous Tomcat hadn't shut down
correctly, the new process wouldn't respond to HTTP requests.

55 Tomcat processes shouldn't be normal, at least not if that's what "ps
aux" responds.

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