O_DIRECT use

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: O_DIRECT use
Date: 2002-01-04 21:08:18
Message-ID: 200201042108.g04L8II24280@candle.pha.pa.us
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I have added this item to TODO:

* Consider use of open/fctl(O_DIRECT) to minimize OS caching

Web shows it minimized file system caching, perhaps for sequential
scans:

http://archives2.us.postgresql.org/pgsql-hackers/2001-09/msg00713.php

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