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From: "H. Peter Anvin" <hpa@zytor.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Tomasz Chmielewski <mangoo@wpkg.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Mika Lawando <rzryyvzy@trashmail.net>
Subject: Re: What is the limit size of tmpfs /dev/shm ?
Date: Wed, 06 Feb 2008 11:27:42 -0800	[thread overview]
Message-ID: <47AA0A2E.30701@zytor.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0802061517380.8470@blonde.site>

Hugh Dickins wrote:
> 
> Don't forget that tmpfs overflows into swap, so you could save money
> by adding adding more swap and cutting down on the RAM: though of
> course that will perform very poorly once it's actually using the
> swap, probably not the direction you want to go in.
> 

It can still outperform conventional disk filesystems, however, mostly 
because it doesn't have to worry one iota about consistency.

	-hpa

  reply	other threads:[~2008-02-06 19:28 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-06 14:54 What is the limit size of tmpfs /dev/shm ? Tomasz Chmielewski
2008-02-06 15:06 ` rzryyvzy
2008-02-06 15:29 ` Hugh Dickins
2008-02-06 19:27   ` H. Peter Anvin [this message]
2008-02-06 19:48     ` Hugh Dickins
2008-02-06 19:53       ` H. Peter Anvin
2008-02-06 21:58         ` Hugh Dickins
2008-02-06 22:01           ` H. Peter Anvin
2008-02-06 22:40             ` Hugh Dickins
  -- strict thread matches above, loose matches on Subject: below --
2008-02-06 13:54 Mika Lawando

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