[i]x-posted: http://napobo3.blogspot.com/2006/01/turbocharging-nfs-server.html
[/i]
When out-of-the box S10/x86 showed mediocre NFS performance (measured by the
SPEC SFS benchmark) the following measures improved the results more than twice
:
1.increase the dnlc size (set ncsize = 0x100000 in /etc/system)
2.increase the number of concurrent NFS requests (NFSD_SERVERS=128 in
/etc/default/nfs)
3.increase the number of VxFS inode table (yes, I am using VxFS)
4.increase the FC HBA queue depth to 256 commands
The dual AMD Opteron 252 box reached 11200 ops/sec with response time 2.4 msec
with 24 processes on one load generator.
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