[CRIU] Criu Page server on source

DALLEL KHEZZANE gd_khezzane at esi.dz
Thu Apr 1 18:08:33 MSK 2021


 Hello ,

on the Documentation this figure, Criu-memory-wflow.png
<https://criu.org/w/images/3/39/Criu-memory-wflow.png> (attached below)
showcasing the memory transfer workflow in each of these cases:
- classic flow
- page server on destination
- page server on source
- lazy migration
I tried these scenarios to compare downtime, but in the case of page server
on source it is shown on the figure  that it can be done without writing to
disk at all.correct me if i misunderstood.

after lauching page server on source then performing checkpoint with page
server on source,
how can i transfer the image pages in order to restore on destination
without writing to disk?
i don't understand this particular page-server on source workflow on the
figure what does the arrow with remote stand for?

thanks,
Best Regards.
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