Hi,
On Mon, 19 Apr 1999 23:55:50 +0200, "Earle R. Nietzel"
<[EMAIL PROTECTED]> said:
> I've read that many database engines such as Oracle and Sybase SQL Servers
> need to have the static variable SHMMAX in shmparam.h pushed up a bit from
> 32Mb to 64 Mb.
> I'd like to know exactly why this is necessary because I have heard a few
> different ideas.
Because these applications use significant amounts of shared memory to
communicate between the various client and server processes on the
system.
On 2.2, you can tune this at runtime via /proc/sys/kernel/shmmax. You
don't need to recompile with a new SHMMAX define any more.
--Stephen
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