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From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: O_DIRECT
Date: 2001-09-28 01:13:02
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
> The O_DIRECT flag has been added in FreeBSD 4.4 (386 & Alpha) also.  From
> the release notes:
> Kernel Changes
> The O_DIRECT flag has been added to open(2) and fcntl(2). Specifying this
> flag for open files will attempt to minimize the cache effects of reading
> and writing.

I wonder if using this for WAL would be good.

  Bruce Momjian                        |
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

In response to

  • O_DIRECT at 2001-09-26 02:30:17 from Christopher Kings-Lynne

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