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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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