Re: [Xen-users] Improve performance of domain U

["Fabrice Toppi" <ftoppi@xxxxxxxxx>]

Hi,

3. You can pass a logical volume, physical partition ou a
file for the swap to the domU's. There's no difference between swap
LV/partition/file and data LV/partition/file for dom0.

Fabrice T.

2006/9/3, saptarshi naha <naha80@xxxxxxxxx>:

I just had a quick question about improving the performance for Xen VM's.

I have installed Xen 3.0.2 on RHEL4 with 1 kernel compiled for all
domains. When I access by VM's the performance of the domain U is
slower then taht of domain 0.

1. I wanted to know if there are any configuration changes I can make
to improve the performance of domain U?

2. Domain U have no /boot sector in /etc/fstab. It is all a single
partition in / . I wanted to know if there are any shortcoming to just
having / partition to performance?

3. Also can the domain U be given swap space to improve performance? I
am guesssing thats the swap is used from domain 0 which was added
during inital installation.

4. Is the performance of teh domain U dropped due to internal
networking through bridging? I wanted to know if anyone knows how to
fine tune it to improve performance.

Thanks,
Naha.

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