Date: Tue, 15 Mar 2005 09:00:37 -0500 (EST) From: Jeff Roberson <jroberson@chesapeake.net> To: Sergey Matveychuk <sem@freebsd.org> Cc: Peter Edwards <peadar.edwards@gmail.com> Subject: Re: unionfs 5.4 Message-ID: <20050315085943.A20708@mail.chesapeake.net> In-Reply-To: <4234410C.5080804@FreeBSD.org> References: <87is46kzk1.fsf@neva.vlink.ru> <41C26F23F7DF023CB3DF35C5@cc-171.int.t-online.fr> <87mzth18e2.fsf@neva.vlink.ru><874qfpupk5.fsf@neva.vlink.ru> <423027B1.8080503@FreeBSD.org><4234410C.5080804@FreeBSD.org>
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On Sun, 13 Mar 2005, Sergey Matveychuk wrote: > Peter Edwards wrote: > > > If someone experiencing these issues could try rebuilding after changing > > > > #define NNULLNODECACHE 16 > > to > > #define NNULLNODECACHE 1024 > > > > in null_subr.c (line 50 in my version, 1.45) > > > > And just see if it makes much of a difference. If so, it might be > > It does not help. The problem with nullfs only in jail environment. > I've made a simple test: build devel/gettext port. Here is results: > > just ffs: 1:47 min > nullfs: 1:43 min (oops!:) > nullfs in jail: 12:12 min > > Almost ten times degradation. Can you try this again on current? I just committed some changes to nullfs which vastly simplify the locking. I don't see anything inherent in the code that should cause such a slowdown. > > -- > Sem. > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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