RE: [Xen-users] domains gets stalled for N seconds

["Damjan Pipan" <damjan.pipan@xxxxxxx>]

Thank you for your suggestion. I have set the weight on scheduler. I will try 
today again to run both domains which compete for IO.

Damjan

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Luke S Crawford
Sent: Wednesday, October 15, 2008 12:32 AM
To: Damjan Pipan
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] domains gets stalled for N seconds

"Damjan Pipan" <damjan.pipan@xxxxxxx> writes:
> The problem is that I suspect that domains are not running at full (hardware) 
> speed and they are getting stalled from time to
time.
> I can see a lot of wait in top and "top -d .5" gets stalled also from 
> time to time for some seconds (cca 5s)


I've had similar problems that immediately went away after weighting the Dom0:

xm sched-credit -d 0 -w 60000


I now put that in /etc/rc.local on all my Dom0s, and I haven't seen the problem 
since.




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