Re: Postgresql Caching - Mailing list pgsql-hackers

From mark@mark.mielke.cc
Subject Re: Postgresql Caching
Date
Msg-id 20061015190701.GA21183@mark.mielke.cc
Whole thread Raw
In response to Re: Postgresql Caching  (Lexington Luthor <Lexington.Luthor@gmail.com>)
List pgsql-hackers
On Sun, Oct 15, 2006 at 06:43:43PM +0100, Lexington Luthor wrote:
> With a bit of careful planning (and a few SELECT FOR UPDATE queries to 
> prevent deadlock), having perfect consistency and correct caching is 
> possible.

I didn't respond directly to this claim of yours.

SELECT FOR UPDATE is only useful if I'm going to do SELECT. If I am
using memcache, one would presume that I am using it in place of
SELECT, to improve performance. If I'm going to SELECT and then
memcache, I haven't gained anything.

Cheers,
mark

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