From: | The Hermit Hacker <scrappy(at)hub(dot)org> |
---|---|
To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
Cc: | jamexu <jamexu(at)telekbird(dot)com(dot)cn>, <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Re[3]: Re: [PATCHES] A patch for xlog.c |
Date: | 2001-02-27 17:26:03 |
Message-ID: | Pine.BSF.4.33.0102271325170.354-100000@mobile.hub.org |
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Lists: | pgsql-hackers |
On Tue, 27 Feb 2001, Peter Eisentraut wrote:
> The Hermit Hacker writes:
>
> > I don't ... I personally admin FreeBSD and Solaris boxen ... FreeBSD,
> > first step is to always recompile the kernel after an install, to get rid
> > of crud and add Shared Memory ... the Solaris boxes, you add a couple of
> > lines to /etc/system and reboot, and you have Shared Memory ...
> >
> > I don't know about other 'commercial OSs', but I'd be shocked if a Linux
> > admin never does any kernel config cleanup befor egoing production *shrug*
>
> Linux allows you to load and unload kernel modules, while the system is
> running, to add and remove stuff as you need it. But this is moot because
> Linux also allows you to increase shared memory (up to the total
> addressable memory) while the system is running. Recompiling Linux
> kernels is a thing of the past with modern distributions.
Actually, just found that out for FreeBSD too *sigh* You do have to
enable SYSV* in the kernel itself, but increasing shared memory and
semaphores is a simple sysctl that can be run while the system is live ...
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