From: Alexander Holler <holler@ahsoftware.de>
To: Fredrik Tolf <fredrik@dolda2000.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Weird disk idling
Date: Mon, 27 May 2013 03:54:46 +0200 [thread overview]
Message-ID: <51A2BCE6.806@ahsoftware.de> (raw)
In-Reply-To: <alpine.DEB.2.02.1305260712220.8957@shack.dolda2000.com>
Am 26.05.2013 07:29, schrieb Fredrik Tolf:
> I'm sure you all know what the various fields are (except the first,
Hmm, I had to look at Documentation/block/stat.txt.
> which is just a timestamp), so as you can see, there are 135 requests in
> the queue, but no reads or writes happen, in this case, for at least 800
> ms.
>
> Is this behavior normal and expected, or is there something wrong here?
> In the latter case, is it my hardware that is failing somehow, or can
> there be some software weirdness that can be tweaked away or bugfixed?
I would say thats how caches do work. You might have a look at
sysctl vm
which shows a lot of the knobs you can turn to change some of the
aspects you see.
Regards,
Alexander Holler
prev parent reply other threads:[~2013-05-27 1:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-26 5:29 Weird disk idling Fredrik Tolf
2013-05-26 8:58 ` ethan
2013-05-29 0:14 ` Valdis.Kletnieks
2013-05-27 1:54 ` Alexander Holler [this message]
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