We've recently got some MacOS Lion systems in, and we've noticed that OpenAFS
seems to perform rather poorly on then.
Specifically, we've noticed this when using nmh on these systems. Here's
an example of what I mean. On an older iMac running 10.6.8/OpenAFS 1.4.11:
% /usr/bin/time scan +kerberos
4.29 real 0.02 user 0.08 sys
On a brand-new new Mac Pro system running Lion/OpenAFS 1.6.0
% /usr/bin/time scan +kerberos
44.29 real (I don't remember the rest, it was on another system)
These systems are on the exact same network, so that's not the issue.
I realize that even the "old" Mac performance isn't wonderful. On my
end-of-lifed-12-years-ago Sparc system running Solaris 10 (same deal,
on the same exact network):
% /usr/bin/time scan +kerberos
real 1.6
user 0.1
sys 0.5
Any ideas where to start tracking this down? I could maybe believe
something like statahead is the issue; the scan performance on the Lion
system is very "spurty".
--Ken
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