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Re: Mapping a database completly into Memory - Mailing list pgsql-performance

From Josh Berkus
Subject Re: Mapping a database completly into Memory
Date
Msg-id 200307280950.36076.josh@agliodbs.com
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In response to Mapping a database completly into Memory  (Daniel Migowski <postgresql@Mig-O.de>)
Responses Re: Mapping a database completly into Memory  (Franco Bruno Borghesi <franco@akyasociados.com.ar>)
Re: Mapping a database completly into Memory  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-performance
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Tom,

> If we had a portable way
> of preventing the kernel from caching the same page, it would make more
> sense to run with large shared_buffers.

Really?  I thought we wanted to move the other way ... that is, if we could
get over the portability issues, eliminate shared_buffers entirely and rely
completely on the OS cache.

--
Josh Berkus
Aglio Database Solutions
San Francisco

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