From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Sun, 23 Sep 2007 00:45:16 -0700 (PDT) Received: from larry.melbourne.sgi.com (larry.melbourne.sgi.com [134.14.52.130]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with SMTP id l8N7j7Q3014794 for ; Sun, 23 Sep 2007 00:45:09 -0700 Date: Sun, 23 Sep 2007 17:45:00 +1000 From: David Chinner Subject: Re: Review: Concurrent Multi-File Data Streams Message-ID: <20070923074500.GO995458@sgi.com> References: <12789210.post@talk.nabble.com> <20070921091441.3ABB88E0B@mail.edu.haifa.ac.il> <20070921125531.GM995458@sgi.com> <1190399077.3795.86.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1190399077.3795.86.camel@localhost.localdomain> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Ming Zhang Cc: David Chinner , Leon Kolchinsky , 'Hxsrmeng' , xfs@oss.sgi.com 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.... Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group