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Re: Instructions for Linux ipc config

From: Mark Kirkwood <markir(at)coretech(dot)co(dot)nz>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-docs(at)postgresql(dot)org
Subject: Re: Instructions for Linux ipc config
Date: 2005-02-04 01:18:35
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-docs
Tom Lane wrote:
> Mark Kirkwood <markir(at)coretech(dot)co(dot)nz> writes:
>>Glancing over these as I was doing the FreeBSD patch, I noticed some
>>scope for modernization there plus a possible error to correct:
>>i) we could standardize the change method to use sysctl instead of
>>echo'ing things into /proc/kernel/* structures (unless there is some
>>reason for this to be preferable?)
> How far back in Linux history does that work?  It would be bad to remove
> instructions needed for versions that people are still using.  But yeah,
> if we can standardize on describing sysctl that's probably a good thing,
> since it applies to more than one platform.
Interesting question (goes away to look at old linux distros...). Some
quite old ones have a sysctl binary - e.g. Redhat 6.2 / linux 2.2.14.

But to be on the safe side, it would make sense to do something similar
to the BSD section, and comment about older distributions maybe needing
to manipulate /proc/kernel/* directly.



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