Re: Linux NFS vs NetApp

[Valdis . Kletnieks]

On Mon, 10 Jan 2005 23:42:30 PST, Joel Jaeggli said:

> In actually using sfs97r1 published benchmarks to compare to hardware I 
> was benchmarking (from emc, netapp and several roll-your own linux boxes) 
> I found the published benchmark information alsmost entirely useless given 
> that vendors tend to provide wildly silly hardware configurations. In the 
> case of the openpower 720 (to use that for an example) the benchmarked 
> machine has 70 15k rpm disks spread across 12 fibre channel controllers, 
> 64GB of ram, 12GB of nvram and 7 network interfaces...

If you threw that much hardware at a Linux system, and then tuned it so that it
didn't really care about userspace performance (oh.. say.. by giving the knfsd
thread a RT priority ;), and tuned things like the filesystem, the slab
allocator and the networking stack to NFS requirements, it probably would be
screaming fast too.. ;)

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