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Re: [Xen-users] dom0 freezes under high IO load - HP ML150 G2

To: "Tom Mornini" <tmornini@xxxxxxxxxxxxxx>
Subject: Re: [Xen-users] dom0 freezes under high IO load - HP ML150 G2
From: TMC <tmciolek@xxxxxxxxx>
Date: Sun, 4 Mar 2007 09:20:47 +1100
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On 04/03/07, Tom Mornini <tmornini@xxxxxxxxxxxxxx> wrote:
On Mar 3, 2007, at 7:04 AM, Tim Post wrote:

> But everyone seems to have forgotten the days of 4 MB being a lot.
>
> Anyway bordering on going off topic. I just find it ironic and
> humorous
> that state of the art Virtualization technology is making problems
> that
> went away magically when big ram came out re-present themselves with a
> vengeance.

The problem I'm seeing is *not* memory starvation, it's memory
corruption.

are you seeing the same issues with the equivalent vanilla 2,6.xx
linux kernel without the Xen patches?

We have almost nothing going on in Dom0... The only reason I put the
cron
job there is the Dom0 kernel is crashing, so it needed to be tested
there...

We go way back with Unix, and I've told people the same thing, that
Xen is
going to teach people about system performance tuning again. :-)

--
-- Tom Mornini, CTO
-- Engine Yard, Ruby on Rails Hosting
-- Reliability, Ease of Use, Scalability
-- (866) 518-YARD (9273)


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