Conrad Steenberg
conrad at hep.caltech.edu
Tue Sep 16 19:31:24 EST 2003
Hi Just to add a data point to the discussion: on redhat-7.3 the server crashes if it cannot allocate enough semaphores. This is with apache-2.0.47. And no, I can't change that because I'm not root on the box :-( Cheers Conrad On Wed, 2003-09-10 at 15:55, Damjan wrote: > > > This prompts a change in the kernel semaphore settings on older linuxes > > > (redhat 7.3 specifically). > > > > Well - I think this is really a redhat problem. I believe I even saw > > something reporting it as a security problem - it is very easy for someone > > to deprive an rh box of available semaphores. I wonder what the default is > > on rh 8 and 9 (anyone?). > > Well I have Slackware-9+, and the defaults are not changed from the > kernel defaults: > damjan$ cat /proc/sys/kernel/sem > 250 32000 32 128 > > I'm using > echo "512 32000 32 512" > /proc/sys/kernel/sem > right now. -- Conrad Steenberg <conrad at hep.caltech.edu> -- Conrad Steenberg <conrad at hep.caltech.edu>
|