Hopefully this problem has been addressed before, but here goes:
I have a busy web server (kernel 2.0.35), running Apache 1.3.1. I removed
the Apache USE_MMAP_FILES define, as the server is handling an average of
150-200 concurrent requests for files which are 3-5 MB in size, and I
didn't want to have 500+ MB of RAM in the box to handle this. All is fine
and well, everything fits comfortably into memory. The load stays
reasonably low (.3-.6), and the machine serves about 30,000 - 40,000 such
files per day.
Anyways, the problem is that cgi's error quite often, with the following
nasty errors in the error_log:
[Thu Sep 10 07:57:25 1998] [error] (11)Resource temporarily unavailable:
couldn't spawn child process: /usr/local/www/cgi-bin/upload4.cgi
This is something that I am quite accustomed to under FreeBSD on even
moderately loaded web servers, and I know how to fix. I was pretty
surprised to see this happen under linux, and don't really know what the
cause might be.
I upped NR_INODE and NR_FILE in the kernel, but that doesn't appear to
have helped, here are the contents of /proc/sys/kernel/*
inode-max 16384
inore-nr 1072 710
file-max 4096
file-nr 900
If anyone has any pointers or has encountered this before, I'd be very
grateful for a bit of help.
Thanks!
Josh Beck josh@zcompany.com
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