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Date: Sun, 13 Mar 2005 16:33:00 +0300
From: Sergey Matveychuk <sem@FreeBSD.org>
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To: Peter Edwards <peadar.edwards@gmail.com>
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cc: Denis Shaposhnikov <dsh@neva.vlink.ru>
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Subject: Re: unionfs 5.4
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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.

-- 
Sem.