Help Removing snapshots according to a policy

One last question and sorry for the inconvenience.

Could you help me in this thread?

https://forum.restic.net/t/how-to-limit-restoration-speed/6711

When I restore a snapshot the computer cannot be used, it is very very slow, I do not think it is a problem with the CPU since it is a fast computer, nor with the 16 GB RAM, I think it is due to the disk writing speed that saturates it