Re: ZFS with Linux: An Open Plea

Lee Revell
2007-04-16T19:26:20Z

On 4/16/07, Bernd Eckenfels <ecki@lina.inka.de> wrote:
> In article <4623BE2E.2020800@s5r6.in-berlin.de> you wrote:
> > I meant that the central requirement on the design and implementation of
> > audio subsystems is an (ideally guaranteed) bounded maximum of
> > latencies; and that's exactly the major point where I heard that there
> > are problems with ALSA driver components in userspace. You were talking
> > about throughput of storage systems, for which latencies of the software
> > part of the stack do not play such a central role. Therefore your
> > comparison appeared off the mark to me.
>
> Unfortunatelle Latency is critical for a number of critical applications
> like databases or file based transaction systems (mail, news) - mainly the
> users of fsync().

Whether you mix audio in userspace or kernel does not impact latency -
you still need to schedule the application playing audio every N
milliseconds or there will be dropouts. I don't see where audio
mixing issue has any relevance to this thread.

Lee