linux-kernel - Re: latencies due to disk writes

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Message-ID: <da612e190702261007n6aabe651n3c8144dc89842f23@mail.gmail.com>
Date:	Mon, 26 Feb 2007 19:07:54 +0100
From:	"Mark Stier" <markstier@...il.com>
To:	"Frank Ch. Eigler" <fche@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: latencies due to disk writes

> > I'm experiencing extreme lags during disk writes. [...]
>
> Wacky idea: "ionice -n 7 -c 2" down the pdflush/swapd kernel threads.

As I already wrote in my post, no disk IO scheduler cares for disk
writes. So even CFQ is only a disk *IN* scheduler...
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