interesting; but presumably the ZIL/fsflush is not the reason for the
associated poor *read* performance?
where does latencytop point the finger in that case?
cheers,
calum.
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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
Calum Mackay wrote:
We have had file delegation on by default in NFSv4 since Solaris 10 FCS,
putback in July 2004.
The delegation of a file gives the client certain guarantees about how
that file may be accessed by other clients (regardless of NFS version)
or processes local to the NFS
We have had file delegation on by default in NFSv4 since Solaris 10 FCS,
putback in July 2004.
We're currently working on also providing directory delegations - client
caching of directory contents - as part of the upcoming NFSv4.1.
cheers,
calum.
Darren J Moffat wrote:
Roch - PAE wrote:
