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From: Dave Page <[email protected]>
To: Tom Lane <[email protected]>
Cc: Greg Smith <[email protected]>
Cc: [email protected]
Subject: Re: Volunteer to build a configuration tool
Date: Thu, 21 Jun 2007 16:09:07 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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Tom Lane wrote:
> There's another reason for not setting shared_buffers huge, beyond the
> good ones Greg listed: the kernel may or may not consider a large
> shared-memory segment as potentially swappable.  

Another is that on Windows, shared memory access is more expensive and 
various people have noted that the smallest value for shared_buffers you 
can get away with can yield better performance as it leaves more free 
for the kernel to use, more efficiently.

Regards, Dave.

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