Benchmarking NFSv3 vs. NFSv4 File Operation Performance
Jun 23, 2008, 11:15 (0 Talkback[s])
"NFS version 4, published in April 2003, introduced stateful
client-server interaction and 'file delegation,' which allows a
client to gain temporary exclusive access to a file on a server.
NFSv4 brings security improvements such as RPCSEC_GSS, the ability
to send multiple operations to the server at once, new file
attributes, replication, client side caching, and improved file
locking. Although there are a number of improvements in NFSv4 over
previous versions, this article investigates just one of
them--performance.
"One issue with migrating to NFSv4 is that all of the
filesystems you export have to be located under a single top-level
exported directory..."
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