: So, the big question is whether there is anything we can tune to speed up
:the writes. The freebsd machines are NFS clients to the sun servers doing
:most of the web processing. Overall performance on the reads seems to be
:best with nfs v3 over udp, which is what I'm using now. All of the web
:server directories are soft mounted directly, with no amd currently in use.
:
:thanks,
:
:Doug
Well, NFS buffers are usually sent over the network the moment they
are full. If you are not running any nfsiod's, the RPC will be
done synchronously and this will severely impact your performance.
Try running:
nfsiod -n 4
This will start up a couple of special background processes to handle
NFS I/O asynchronously. Without any nfsiod's running my file tests
weigh in at 2 MBytes/sec. With a couple running I get 8 MBytes/sec
over my network with NFSv3.
-Matt
Matthew Dillon
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