Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait

From: Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz)
Date: Thu Feb 08 2001 - 10:46:12 EST


> > > How do you write high-performance ftp server without threads if select
> > > on regular file always returns "ready"?
> >
> > Select can work if the access is sequential, but async IO is a more
> > general solution.
>
> Even async IO (ie aio_read/aio_write) should block on the request queue if
> its full in Linus mind.

This is not problem (you can create queue big enough to handle the load).

The problem is that aio_read and aio_write are pretty useless for ftp or
http server. You need aio_open.

Mikulas

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