Re: Review: Concurrent Multi-File Data Streams

Ming Zhang
2007-09-23T16:14:38Z

On Sun, 2007-09-23 at 17:45 +1000, David Chinner wrote:
> On Fri, Sep 21, 2007 at 02:24:37PM -0400, Ming Zhang wrote:
> > On Fri, 2007-09-21 at 22:55 +1000, David Chinner wrote:
> > > On Fri, Sep 21, 2007 at 11:13:33AM +0200, Leon Kolchinsky wrote:
> > > > I'm running DSS (Darwin Streaming Server) on one of my servers and that
> > > > "Concurrent Multi-File Data Streams" thing seems very interesting :)
> > >
> > > Filestreams is needed to optimise concurrent *ingest* of data,
> > > not playout.
> > >
> > > i.e. if you are ingesting multiple real-time streams of data at the
> > > same time as you are playing out real-time streams and you area
> > > missing playout deadlines (i.e. dropping frames) due to sub-optimal
> > > data layout, then it might help you.....
> > >
> > > > I have a separate partition there I store all movies.
> > > > Is 2.6.22 kernel already has this patch incorporated already(actually
> > > > gentoo-sources-2.6.22-r5)?
> > >
> > > It went into .22 so you should have it.
> >
> > i did not see xfs_filestream.c in 2.6.22.6 yet. did i miss something
> > here?
>
> No, my mistake - it seems so long since I checked it in. it went
> into 2.6.23-rc1....

thanks.

>
> Cheers,
>
> Dave.
--
Ming Zhang

@#$%^ purging memory... (*!%
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