From: Con Kolivas <kernel@kolivas.org>
To: Mikhail Ramendik <mr@ramendik.ru>
Cc: ck@vds.kolivas.org, Rik van Riel <riel@conectiva.com.br>,
Andrew Morton <akpm@osdl.org>,
linux <linux-kernel@vger.kernel.org>
Subject: Re: [ck] 2.6.7 backport request, spinoff idea
Date: Sun, 19 Dec 2004 11:42:31 +1100 [thread overview]
Message-ID: <41C4CE77.40601@kolivas.org> (raw)
In-Reply-To: <200412190321.16567.mr@ramendik.ru>
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Mikhail Ramendik wrote:
> Con Kolivas wrote:
>
>
>>Actually I wonder if the swap token is responsible in 2.6.10-rc3
>>
>>Try this
>>echo 0 > /proc/sys/vm/swap_token_timeout
>
>
> Well, this makes things really better, although not as good as 2.6.8.1. There
> are kswapd cpu jumps and screen freezes, but they only last several seconds
> (the longest is in the very beginning, about 15-20 sec).
>
> Thanks! This makes the system much more useable.
This is worth posting to lkml so I've cc'ed a few relevant people (there
is already a thread about this there). Rik care to comment? I recall
pointing out this test case a while back. Got any way to make it harder
to trigger the swap token? It seems to affect normal workloads adversely
considering how rare swap thrashing actually occurs.
Con
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next parent reply other threads:[~2004-12-19 0:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200412171504.41234.mr@ramendik.ru>
[not found] ` <41C4A670.9090009@kolivas.org>
[not found] ` <41C4A899.10102@kolivas.org>
[not found] ` <200412190321.16567.mr@ramendik.ru>
2004-12-19 0:42 ` Con Kolivas [this message]
2004-12-19 1:29 ` [ck] 2.6.7 backport request, spinoff idea Con Kolivas
2004-12-19 4:26 ` Rik van Riel
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