| 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: | 200109280113.f8S1D2v27236@candle.pha.pa.us |
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| 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 | http://candle.pha.pa.us
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
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