Re: [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description

[Wen Congyang]

At 2015/5/14 19:19, Dr. David Alan Gilbert Wrote:
> One thing I wanted to check I understand;  how much RAM do the active and hidden
> disks use;  lets say during the 1st checkpoint   10MB of disk is written,
> and during hte 2nd checkpoint a different 10MB of the disk is written
> (to different locations on the disk); how big are the active and hidden
> disks in RAM - are they 10MB or 20MB?

10MB, we will make active and hidden disks empty when doing checkpoint.

Thanks
Wen Congyang