On Tue, 31 Dec 1996, Philip Hazel wrote:
ph10 >I will add this note to Exim's README file.
ph10 >
ph10 >> noac Disable all forms of attribute caching
ph10 >> entirely. This extracts a server perfor
ph10 >> mance penalty but it allows two different
ph10 >> NFS clients to get reasonable good results
ph10 >> when both clients are actively writing to
ph10 >> common filesystem on the server.
ph10 >>
ph10 >> This would also solve the problem but gives a performance hit.
Please do not add this. Instead include the patch and mention the version
number of the kernel fixing this problem as soon as it is released.
ph10 >But surely a mail spool is precisely the case of two different NFS
ph10 >clients (the MTA and the MUA) "actively writing to a common filesystem
ph10 >on the server"?
Yes. But we want speed. I think we rather change the NFS code than
using the noac option. That is the difference to commercial OS. You
can simply change things if necessary.
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