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Re: New installation CDs and qemu image

From: Richard Braun
Subject: Re: New installation CDs and qemu image
Date: Tue, 18 Mar 2014 14:36:12 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Tue, Mar 18, 2014 at 02:27:02PM +0100, Riccardo Mottola wrote:
> Also, if I can fix this installation, I'd prefer.. it took me two
> days to reinstall hurd: not continuously attented, but the operation
> was quite slow.. CD-ROM and HDD seem to be quite slow in access,
> especially the former.

It's not disk access that is slow. It's the page cache that is in bad
shape. It could also be due to a writeback caused thread storm (a kind
of thundering herd problem with spin locks in userspace). If any
potential GSoC candidate is reading this, fixing that particular issue
is one project we'd very much appreciate mentoring.

Richard Braun

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