> 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@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026