performance of jailed processes

[Pawel Jakub Dawidek]

On Tue, Mar 30, 2004 at 09:09:35PM +0200, Dag-Erling Sm?rgrav wrote:
+> > Can you identify any micro-benchmarks rather than macro-benchmarks that
+> > reflect a significant difference?
+> 
+> haven't had much luck with that...  fetch, for instance, doesn't seem
+> to suffer, but with mysql the difference is dramatic:
+> 
+> (outside jail)
+> 1 row in set (0.01 sec)
+> 
+> (inside jail)
+> 1 row in set (13.20 sec)
+> 
+> note that 13 seconds is far too short for a DNS issue, and that the
+> time reported is measured *after* login (i.e. after any DNS lookup)

Could you produce some ktraces inside and outside jail?

-- 
Pawel Jakub Dawidek                       http://www.FreeBSD.org
pjd at FreeBSD.org                           http://garage.freebsd.pl
FreeBSD committer                         Am I Evil? Yes, I Am!
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