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[Xen-users] Xen 4.0.1 rc3 - Performance Update

  • To: "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Debasish Bose <dbose@xxxxxxxxx>
  • Date: Tue, 29 Jun 2010 22:23:26 -0700
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Tue, 29 Jun 2010 22:24:47 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AQHLGBRd57t0n4i2hkqwXZ00vtXMGw==
  • Thread-topic: Xen 4.0.1 rc3 - Performance Update

Thanks a lot. I've used the .deb installer files and after I've changed tap:aio 
to file: my, domU (lucid variant) comes up. Great help guys. I love 

Now I've some more challenging questions. I'll explore but throwing out there 
in the "xen-cloud", if somebody already has faced...

a. Does the vif2=[ 'pdev=peth1,bridge=eth1' ] stuff works in 4.0.1-rc3 
(NetChannel 2)

b. If the host machine (quad core) has a quad-port NIC, is it possible (for 
performance reason) to run multiple privileged domain and let each of them see 
1 of the 4 Ethernet ports.

c. In a traditional model, for PV guests, how to enable VMDq support. Is 
`modprobe igb.ko VMDQ=8` enough? How it relates to MSI-X interrupts? I've 
downloaded IGB from
 and reading driver-specific parameters like InterruptThrottleRate etc.  Is 
there a special way to build dom0 
(config perspective)?
    Do I need to make some tricky modifications to the 'bridge-magic'?


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