Re: Need help with 8.4 Performance Testing

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Need help with 8.4 Performance Testing
Date: 2008-12-11 20:05:08
Message-ID: 49417274.90408@agliodbs.com
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> I would expect higher shared_buffers to raise the curve before the first
> breakpoint but after the first breakpoint make the drop steeper and deeper.
> The equilibrium where the curve becomes flatter should be lower.

On SpecJAppserver specifically, I remember seeing a drop when the
database size grew beyond the size of shared_buffers.

--Josh

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