Horton

Re: Pre-allocation of shared memory ...

Matthew Kirkwood <matthew@hairy.beasts.org>

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From: Matthew Kirkwood <matthew@hairy.beasts.org>
To: Kurt Roeckx <Q@ping.be>
Cc: Andrew Dunstan <andrew@dunslane.net>, <pgsql-hackers@postgresql.org>
Date: 2003-06-14T19:59:24Z
Lists: pgsql-hackers 
On Sat, 14 Jun 2003, Kurt Roeckx wrote:

> > $ ls -l /proc/sys/vm/overcommit_memory
> > -rw-r--r--    1 root     root            0 Jun 14 18:58 /proc/sys/vm/overcommit_memory
> > $ uname -a
> > Linux stinky.hoopy.net 2.4.20-20.1.1995.2.2.nptl #1 Fri May 23 12:18:31 EDT 2003 i686 i686 i386 GNU/Linux
>
> I also got that /proc/sys/vm/overcommit_memory on a plain 2.4.21.

This might also be interesting:

http://www.cs.helsinki.fi/linux/linux-kernel/2002-33/0826.html

I couldn't say how much of it is in the stock RH kernels,
or how successful the heuristic is.

Matthew.