Messages in this thread | | | Date | Wed, 20 Feb 2008 19:48:42 +0100 | From | Lukas Hejtmanek <> | Subject | Re: Disk schedulers |
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On Sat, Feb 16, 2008 at 05:20:49PM +0000, Pavel Machek wrote: > Is cat /dev/zero > file enough to reproduce this?
yes.
> ext3 filesystem?
yes. > Will cat /etc/passwd work while machine is unresponsive?
yes.
while find does not work: time find / / /etc /etc/manpath.config /etc/update-manager /etc/update-manager/release-upgrades /etc/gshadow- /etc/inputrc /etc/openalrc /etc/bonobo-activation /etc/bonobo-activation/bonobo-activation-config.xml /etc/gnome-vfs-2.0 /etc/gnome-vfs-2.0/modules /etc/gnome-vfs-2.0/modules/obex-module.conf /etc/gnome-vfs-2.0/modules/extra-modules.conf /etc/gnome-vfs-2.0/modules/theme-method.conf /etc/gnome-vfs-2.0/modules/font-method.conf /etc/gnome-vfs-2.0/modules/default-modules.conf ^C
real 0m7.982s user 0m0.003s sys 0m0.000s
i.e., it took 8 seconds to list just 17 dir entries.
It looks like I have this problem: http://www.linuxinsight.com/first_benchmarks_of_the_ext4_file_system.html#comment-619 (the last comment with title: Sustained writes 2 or more times the amount of memfree....)
-- Lukáš Hejtmánek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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