[CRIU] CRIU Queries Live Migration V/S Disk-less Migration

Pavel Emelyanov xemul at parallels.com
Tue Oct 20 00:30:32 PDT 2015


On 10/20/2015 08:18 AM, Prashant Chillabatte wrote:
> 
>> When you just live migrate a container you should keep images with memory contents
>> on source node FS, then copy them to the destination one. 
> Using shared file system eliminates the need of copying any thing(memory and context) from 
> source node to destination node. According to this live migration should be faster then 
> disk-less migration. This that right?

Not necessarily. It depends on how fast the shared storage is, sometimes it's faster
to transfer memory into page-server directly.

-- Pavel


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