Direct I/O versus OS-Caching

From: KÖPFERL Robert <robert(dot)koepferl(at)sonorys(dot)at>
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Cc: pgsql-admin(at)postgresql(dot)org
Subject: Direct I/O versus OS-Caching
Date: 2005-06-28 11:55:21
Message-ID: ED4E30DD9C43D5118DFB00508BBBA76EB167A9@neptun.sonorys.at
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Yeah, as the subject quetiones.

What's the better/faster alternative?
Enabling OS-file system caching or disabling it and forcing direct I/O?

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