I have been unable to find any other report on this and even though it isn't technically a bug I felt this was the right category to put it down under.
My issue is, that at irregular intervals, about once every two days, the LoLReplay2 processes start to use an unusual high amount of CPU load. This is usually about 15-20% combined for three processes. This lasts about 10 minutes before it goes back to normal.
I figured that it might just be doing some processing, like fetching recent games, generating statistics and such, but even then this seems like an unusually high load and duration for me. So I was just wondering if anyone might know exactly what could be going on.
Another theory I have, although unlikely, is, that it might be trying to load some ads or something else from IPs that are blocked in my firewall. Because I am running a software that blocks a large bunch of IPs to prevent my Windows 10 from "calling home" too much, and I've had the system show similar symptoms (high load of some processes, even unresponsiveness until what I believe it times out). Again, this is just a suspicion and to offer further information.