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Re: [Xen-users] Performance issues

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Stephan Austermühle <au@xxxxxxx>
  • Date: Wed, 12 Apr 2006 22:47:35 +0200
  • Delivery-date: Wed, 12 Apr 2006 13:48:24 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi Mats!

Stephan Austermühle schrieb:

>> Also, whilst it's great that you run 512MB for native Linux, but I'd be 
>> surprised if the disk-caching in Dom0 is quite as effective as it could be - 
>> maybe you'd get better results (for this particular type of benchmark) if 
>> you gave another lot of memory to the Dom0 and took it away from DomU (even 
>> better, give some more to Dom0 without taking it away from DomU!). 
> Really? The domU has its own cache and the dom0 is an additional one.
> But just to be sure I will start another test series this evening.

I've just tested with dom0=320 MByte and domU=512 MByte. The results
meet my assumption: No noticable difference to the test series with
dom0=128 MByte.


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