Re: [PATCH RFC v2 5/6] KVM: moving dirty bitmaps to user space

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On 04/23/2010 02:14 PM, Takuya Yoshikawa wrote:

Do you have performance numbers? I'm interested in both measurements of
KVM_SWITCH_DIRTY_LOG under various conditions and macro benchmarks (for
example, total guest throughput improvement under Kemari).

Currently, I'm just checking the performance visually.
  - on laptops, we can feel the speed directly: my favorite is installing
    ubuntu or debian by alternate installers

  - live migration with heavy work load

Now that I've got the overall design, I want to measure the performance by numbers.

About performance under Kemari: we( staffs: me and Fernando) are now concentrating on improving the basic live-migration infrastructures and
they( staffs) are working hard for building Kemari itself.

- We are also interested in using live-migration with HA software and this needs
    light, stable live-migration: same as Kemari!

General live migration improvements are also interesting, I just the improvement would be more pronounced under Kemari. Looking forward to seeing the results.

Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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