Re: Confusion on shared buffer

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: S Arvind <arvindwill(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Confusion on shared buffer
Date: 2009-10-02 19:19:15
Message-ID: 603c8f070910021219t65e6b59ct72ab37108398d2e4@mail.gmail.com
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On Thu, Oct 1, 2009 at 4:11 AM, S Arvind <arvindwill(at)gmail(dot)com> wrote:
> In some docs i read that shared buffer must be increased based on the
> maximum dataset size. For my scenario the dataset size is relative small
> less then a Gb, but database#  handled by a server is nearly 200db per
> server and average connection# to server will be >500 (approx 5/per each
> DB). So for this scenario will increase in shared buffer will increase the
> performance.
> FYI: RAM in 8GB

I'm pretty sure that won't help to make shared buffers larger than the
size of your entire cluster.

...Robert

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