Cc: pgsql-sql@postgresql.org
Message-Id: <875976BE-CAC0-4F10-B7CC-0D651B109967@engineyard.com>
From: Erik Jones <ejones@engineyard.com>
To: Rob Sargent <robjsargent@gmail.com>
In-Reply-To: <4A2EA121.2070004@gmail.com>
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Subject: Re: Taking the cache out of the equation?
Date: Fri, 12 Jun 2009 15:12:57 -0700
References: <4A2EA121.2070004@gmail.com>


On Jun 9, 2009, at 10:51 AM, Rob Sargent wrote:

> Caching helps a *lot* and I'm thankful for that but I would like to  
> take it out of the picture as I massage my queries for better  
> performance.  Naturally the first invocation of the query cannot  
> take advantage of the cache and these queries would normally only be  
> called once for the same target data.    What tricks are there to  
> flush, ignore, circumvent the caching boost?  (Especially in the  
> production environment.)

Why on earth would you want your queries to always go to disk?

Erik Jones, Database Administrator
Engine Yard
Support, Scalability, Reliability
866.518.9273 x 260
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