Andy Polyakov <[EMAIL PROTECTED]> wrote:
> >> not passing
> >> multiple GB of once-used data through the system buffers and blowing
> >> everything else out.
> >
> > I see some effects which could make the O_DIRECT
> > approach less superior to normal reading than your
> > scenario would let expect:
>
> O_DIRECT is not about superior performance, it's more about *maintaining
> adequate _overall_ performance* in wider range of practical situations,
> most notably under low memory conditions.
On a platform with a decent virtutal memory implementation, thiks is not needed
and BTW: O_DIRECT is not available on UNIX.
Jörg
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