responsiveness during IO tasks

From: Steve Wills <swills_at_FreeBSD.org>
Date: Mon, 25 Apr 2011 21:32:59 -0400
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Hi,

I've noticed lately that when doing heavy IO, my 9-CURRENT system (Fri
Apr 15 23:33:46 EDT 2011) is quite unresponsive. I have two ZFS mirrors
setup and run KDE4. The system has 12GB of RAM.

When I, for example, copy an ISO image from one mirror to the other, the
whole desktop becomes really slow during the copy. It takes a good 15
seconds to open a new tab in Konsole, switching windows takes a while,
etc. Once the copy is finished, things are fine. It wasn't like this
back before I upgraded from 8.2-RC1 to 9-CURRENT. Has anyone else
noticed something similar, or is it just me? Is there any other info I
can provide or something I should look for?

Thanks,
Steve
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Received on Mon Apr 25 2011 - 23:57:48 UTC

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