I should perhaps note that my last email on delegation describes the optimisations possible under the NFSv4 protocol, as per RFC, all of which are not necessarily implemented in our own Solaris client.

In particular, I think that fsync and committed writes do still go through to the server, so we may not see that performance enhancements.

We should at least do away with the regular GETATTRs that would otherwise make up a lot of the conflicting access detection in NFSv3.

cheers,
c.
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