On Tue, Apr 18, 2023 at 14:44:47 +0600, Oleg Vasilev wrote: > QEMU now supports multifd-compression=zstd for migration with enabled multifd. > Bring the support to libvirt as well. There is an earlier series implementing this functionality (with zlib as well): [PATCH V3 0/3] migration: add qemu parallel migration options I just forgot to review the last version of it... I did it now. Jirka