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Re: [Discuss-gnuradio] the best file system for reading fast

From: Chris Albertson
Subject: Re: [Discuss-gnuradio] the best file system for reading fast
Date: Tue, 4 Sep 2007 21:18:42 -0700 (PDT)

--- Eric Blossom <address@hidden> wrote:

> On Wed, Sep 05, 2007 at 02:06:51AM +0200, Vincenzo Pellegrini wrote:
> > Hi all,
> > 
> > today I bought a 7200 rpm SATA HD 
> > (a seagate barracuda, as Eric suggested some months ago) 
> > in order to be able to sustain a complex 8Msps flow (32MB/s)
> towards the
> > usrp. 
> > 
> > Once I formatted it with the XFS filesytem, following Rayan's tip,
> it
> > looked like I was getting the appropriate throughput...
> > 
> > is anybody using any other high performance filesystem to do this
> kind
> > of things?
> > 
> > ..just to know if other options exist...

I think XFS is the way to go if you need fast I/O.  Use large blocks.  
SGI invented XFS just for this purpose, performance.  Still 32MB/Sec
is about the most you can expect on a single drive setup.  

I've got a SATA drive in this iMac and I get about 32MB/Sec max.
Mac OS X is BSD UNIX based.  Hate to say it but you are on the

Chris Albertson
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