[Beowulf] Network Filesystems performance

Bruce Allen ballen at gravity.phys.uwm.edu
Fri Aug 24 05:08:19 EDT 2007


Glen,

Are your NFS clients and servers networked with gigabit ethernet?  If not, 
just hit <delete>.  If so, keep reading...

If your network can handle jumbo frames (MTU of 6000 or 9000, rather than 
the standard MTU of 1500) then shifting to jumbo frames might improve your 
NFS performance.

I have also heard reports of NFS performance improvements from using TCP 
rather than UDP as the data transmission protocol.

Cheers,
     Bruce
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