From: Avi Kivity <avi@argo.co.il>
To: Alan <alan@lxorguk.ukuu.org.uk>
Cc: Yaroslav Halchenko <yoh@psychology.rutgers.edu>,
linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: kswapd/tg3 issue
Date: Thu, 30 Nov 2006 17:45:35 +0200 [thread overview]
Message-ID: <456EFC9F.9060607@argo.co.il> (raw)
In-Reply-To: <20061130153906.59d78223@localhost.localdomain>
Alan wrote:
> Under heavy network or I/O pressure it may not have time to swap to get
> the memory. Thus adding swap won't usually help. Adding RAM may do but
> its often not the best answer. Arjan's suggestion should sort it, and -
> yes typically boxes with very high I/O and network load need more of a
> pool of memory free for immediate use than other systems.
>
It could be nice if the kernel could autotune this, for example by
raising the free memory goal when memory shortage is detected, and
lowering it gradually when not.
The sysctl could be a minimum from which this is calculated.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2006-11-30 15:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-30 14:43 kswapd/tg3 issue Yaroslav Halchenko
2006-11-30 15:04 ` Alan
2006-11-30 15:10 ` Yaroslav Halchenko
2006-11-30 15:17 ` Arjan van de Ven
2006-11-30 15:28 ` Yaroslav Halchenko
2006-11-30 15:39 ` Alan
2006-11-30 15:45 ` Avi Kivity [this message]
2006-11-30 16:28 ` Yaroslav Halchenko
2006-12-01 6:19 ` Herbert Xu
2006-12-01 14:08 ` Yaroslav Halchenko
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