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Re: Direct I/O versus OS-Caching

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: KÖPFERL Robert <robert(dot)koepferl(at)sonorys(dot)at>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Direct I/O versus OS-Caching
Date: 2005-06-28 13:10:53
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
KÖPFERL Robert wrote:
> What's the better/faster alternative?
> Enabling OS-file system caching or disabling it and forcing direct
> I/O?

PostgreSQL is designed to rely on OS file-system caching, so you better 
not turn that off.

Peter Eisentraut

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