Karsten M. Self, Mon, Mar 04, 2002 at 11:28:18AM -0800: > > For a fork, I'd suspect you're out of user processes, though checking > other resource limits (generally memory and filehandles) is adviseable. > > There are hard-compiled limits of 256 user, and 512 system, processes, > in the 2.2.x kernels. These limits are raised in the 2.4 kernels, though > I don't know the values offhand.
IIRC, the 2.4 limits can be configured at runtime. I think it's in /etc/security/limits.conf. > > The value can be raised, but you have to edit sources to do so at least > through 2.2.x -- there is _no_ configuration option for this value. NR_TASKS in include/linux/tasks.h > > I ran into similar issues with exim, procmail, and spam-filtering > software a few weeks ago. I tuned my mail configuration to keep from > launching a large number of exim processes and the problem went away. > Multi-threaded applications are particularly prone to this issue. > I use ulimit to do this in init.d startup scripts. Works pretty good. g -- Brought to you by Debian 3.0 Linux took 2.4.16 #1 SMP Sat Jan 5 12:52:24 EST 2002 i686 unknown
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