kernel settings / tuning

From: Adam.Bentley@eme.co.uk
Date: Tue Jan 21 2003 - 04:22:03 EST


Hi all,
               a couple of quickies. Is there any documentation which describes
the mapping between entries in the kernel config and those listed in
/etc/sysconfigtab and dxkerneltuner? I've been sent some settings from a 3rd
party and I think they've got their wires crossed as they are quoting stuff like

set maxdsiz to <some value> in the kernel config

and then later on saying

set max-per-proc-data-size to <some other value> in /etc/sysconfigtab

I am guessing but I think these two refer to same parameter.. if anyone knows of
a doc which shows all the naming conventions for these kernel subsystems can
they direct me to it...

I am certain that editing of the kernel config these days has been deprecated
and all edits should really go into /etc/sysconfigtab which takes precedence
over the kernel config file when reading settings anyway...

Secondly I was wondering about setting of maxusers (normally you'd define this
based on the amount of physical memory in your box). I have an ES40 model 2 with
4gb of RAM, same for swap and 2 x 833mhz ev6-7 cpus.

It will be running oracle and a bespoke app.

What what be a recommened setting for Maxusers under a configuration of this
sort? Is there a good rule of thumb for this kind of stuff...

many thanks...

Adam.

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