* 林英超 <[EMAIL PROTECTED]> [010430 06:47] wrote:
>
> * 林英超 <[EMAIL PROTECTED]> [010430 06:17] wrote:
> > Dear all:
> >
> > Because write() use buffer cache, I want to know whether aio_write()
> is
> > better than write() in FreeBSD 4.1 . Is aio_write()
> >
> > outperform write() ? Or any related performance comparison between the
> two
> > system call ????
>
> aio_write is for doing async aio. meaning you can ask the kernel to
> move data for you from a memory location to a file descriptor while
> you proceed on with doing other work. if you don't have any other
> work to do then aio is probably just going to slow you down.
>
>
> Now I am trying to implement a Proxy Server. I want to use asynchrounos I/O
> so that
> the Proxy Server can do other things than blocking on I/O operation. Is it a
> good idea to
> use aio_write or aio_read on Proxy Server ???
It's a good idea to use it for disk IO, probably not a good idea for
network IO.
--
-Alfred Perlstein - [[EMAIL PROTECTED]]
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