SocksPort 0 # disable local usage
CookieAuthentication 1 # method for controller authentication
ORPort 21001 # ORPort angepasst
DirPort 11001 # DirPort angepasst
Nickname niftycastoroides # Solltest du auf jeden Fall anpassen
RelayBandwidthRate 100 MB # Bandbreite die du zur Verfügung stellst
RelayBandwidthBurst 100 MB # Bandbreite die du zur Verfügung stells
MaxMemInQueues 1024 MB # DDOS
ExitRelay 0 # This is an Exit
# ORPort [2a01:4f9:2a:98c:0000:0000:50cf:a8ba]:21001
Try to limit you men usage with MaxMemInQueues 1024 MB and your connection LimitNOFile 5000 or something like this.
Its mostly try and error how much a Pie can handle. In my experience: ARM mostly suxx with AES and thats the most important part
of a Tor relay. Just try different settings :)