I got 1 GB RAM on my motherboard - is there any limit for SHMMAX except
the installed RAM (for example: will 0x3d000000 work? nearly 1GB)?
The system is an SMP with two PII-400; also an Intel based system (32
bit).
Another question (just a little bit off-topic): I got your
raw-devices-patch for kernel 2.2.4 yesterday and applied it to the
kernel; compilation is allright but during bootup the module wasn't
loaded.
I don't see any option in "make menuconfig" to enable raw-devices; is
that right or Did I something wrong (patch applied with cd
/usr/src/linux ; patch -p0 < patch...)?
Greetings, Dietmar
Stephen C. Tweedie wrote:
>
> 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
> -
> Linux SMP list: FIRST see FAQ at http://www.irisa.fr/prive/mentre/smp-faq/
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--
"Don't fear the Gates" (a little like Blue Oyster Cult)
Dietmar Stein, Systemadministrator UNIX/Linux
[EMAIL PROTECTED], [EMAIL PROTECTED]
-
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