From: Jan Bruvoll <jan@bruvoll.com>
Subject: Re: async vs. sync
Date: Mon, 26 Jul 2004 20:47:49 +0100
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To: Bernd Schubert <bernd-schubert@web.de>
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Bernd Schubert wrote:

> Exactly, therefore I would like to enable the sync-export option again.
>
>However, reducing the speed to about 1/5 of async speed for large files and 
>to about 1/20 for smaller files is not an option. The people already 
>complained that compiling their projects takes ages now... 
>
>D'oh, sorry, I forgot to write that we use the tcp-mounts and nfs3. So  those 
>numbers really shouldn't happen, should they?
>  
>

Hi Bernd,

are you doing anything "interesting" underneath NFS, ie. what are you 
storing your files on?

My set-up has about the same performance data, however my big problem is 
that the server dies when I hook all my clients up... Raw throughput 
seemed ok, but when you started complaining about the speed, I started 
thinking that my figures weren't all that great anymore.

The set-up is a dual 3Ghz Xeon, 2Gb RAM, and a DRBD-mirrored partition 
sitting on a 3Ware Escalade 7500 to 7200rpm disks. Kernel 
2.4.26-gentoo-r5, everything else newest version. The annoying thing is 
that the server this new set-up is replacing is an old P3/650 that 
easily copes with the load... :-\

Best regards
Jan



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