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xen-devel
Re: [Xen-devel] Measuring migration downtime
Could you pls suggest any benchmarks that might have been used in the past to do exactly this?
thanks
hmv
On 6/8/06, Anthony Liguori <
aliguori@xxxxxxxxxx> wrote:Arun Babu wrote:
> Hi,
> I need to get the exact downtime for doing a live migration with ms
> precision.
> (I am not bothered about whole migration time which is close to 1
> minute.. I need to measure
> the live migration downtime during which the DomU is out of service..
> the figure quoted in the xen
> documentation says it as ~60 ms.. )
> I hope someone must have tried to measure this before.
If you run a benchmark against the server, and measure the server's
throughput at a high granularity and graph it, it should show you the
interval that it was down for. I think that is the most realistic way
to do this.
Regards,
Anthony Liguori
> Can you suggest me ideas to measure this?
>
> Thank you,
> Arun
> ------------------------------------------------------------------------
>
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