Cassandra server high cpu

100 cpu on all cluster servers

We’re going to need a lot more detail about your systems and environment. Please include as much detail as possible including logs and symptoms you’re seeing. Help us help you.

ReleaseVersion: 3.11.2
as you can see i have 1600 % CPU…
i have 3 servers in cluster , all the same issue

Does the CPU usage remains at 1600% all the time, or just going high during certain operation?

all the time…

Is this a Clear Linux system? 469 days uptime is concerning, if true.