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Date:      Sun, 15 Jun 2008 15:19:53 +0400 (MSD)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        Kris Kennaway <kris@freebsd.org>
Cc:        Kostik Belousov <kostikbel@gmail.com>, delphij@freebsd.org, current@freebsd.org
Subject:   Re: tmpfs panic
Message-ID:  <20080615151820.L43777@woozle.rinet.ru>
In-Reply-To: <4854F8D0.802@FreeBSD.org>
References:  <20080615130037.J43777@woozle.rinet.ru> <20080615101918.GA94309@deviant.kiev.zoral.com.ua> <20080615145943.X43777@woozle.rinet.ru> <4854F8D0.802@FreeBSD.org>

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On Sun, 15 Jun 2008, Kris Kennaway wrote:

KK> > Well, but loader(8) man page said:
KK> >   The default of 32MB allows the kernel to support a maximum of ~7GB of
KK> > swap. 
KK> > and I have only 4G, and system freezes with maxswzone exaustion well
KK> > before that...
KK> 
KK> I think swap zone memory use is dependent on the allocation pattern (i.e.
KK> load dependent), so "a maximum" of 7GB might be the best case scenario (or
KK> it could be wrong, e.g. on amd64).  This is one of the factors that makes it
KK> hard to tune the value of maxswzone.

I see; I just doubleed the value to 64M, let's see what happened.

BTW, usage pattern to stress tmpfs is cvs2svn on FreeBSD ports repository, 
together with some rsyncs ;-)

Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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