Тюнинг ввода-вывода и ОЗУ (RAM) для инстансов qemu/kvm

# virsh blkiotune instance-00000548

weight         : 500
device_weight  :
device_read_iops_sec:
device_write_iops_sec:
device_read_bytes_sec:
device_write_bytes_sec:
# virsh memtune instance-00000548

hard_limit     : unlimited
soft_limit     : unlimited
swap_hard_limit: unlimited

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