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Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmap

From: Dr. David Alan Gilbert
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic
Date: Wed, 1 Aug 2018 11:20:32 +0100
User-agent: Mutt/1.10.0 (2018-05-17)

* John Snow (address@hidden) wrote:


> I'd rather do something like this:
> - Always flush bitmaps to disk on inactivate.

Does that increase the time taken by the inactivate measurably?
If it's small relative to everything else that's fine; it's just I
always worry a little since I think this happens after we've stopped the
CPU on the source, so is part of the 'downtime'.

Dr. David Alan Gilbert / address@hidden / Manchester, UK

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