Igor,
Once upon a time there was a hardcoded limit on the number of threads an
nfsd could support. Twenty is the number I seem to recall but I haven't
researched this for awhile.
I've used this as a baseline for how many daemons to start by:
(num of mounts * num of nodes) / 20
Bill
Kozin, I (Igor) wrote:
Hello!
I was looking at our NFS server performance recently
and was puzzled by the number of the daemons it was
running - 33. It might be the default for Suse 10.1
but I am not sure. It's usually recommended to set the
number to a multiple of 8 with 32 being perhaps the
most popular. I've read that 16 or 32 nfsd daemons
produces the most efficient blocking for I/O operations.
How many NFS daemons people are using on a dedicated
NFS server?
Best,
Igor
I. Kozin (i.kozin at dl.ac.uk)
CCLRC Daresbury Laboratory, WA4 4AD, UK
skype: in_kozin
tel: +44 (0) 1925 603308
http://www.cse.clrc.ac.uk/disco
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