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Re: [Qemu-devel] [PATCH 2/2] set migration max downtime


From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH 2/2] set migration max downtime
Date: Sun, 24 May 2009 22:52:13 +0300
User-agent: Thunderbird 2.0.0.21 (X11/20090320)

Anthony Liguori wrote:
I prefer seconds (and bytes).

As a floating point value?

Yes. More than enough spacecraft have been lost due to errors in unit conversion.


I would think the typical down time would be in the ms-us range so we're talking 0.030 - 0.000030 if we express in seconds.

Just like we support suffixes for memory, we could support them for time. So your range would be 30ms - 30us (committing another crime writing µs as us).

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.





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