URController Crash With RT (30003)

Steps to reproduce:
We use port 30003 to send a script command (speedj) every 8ms to control the robotic arm.
Using ssh to check the memory of the robot arm, the memory usage of program URControl will increase with time, and after A period of time (4-6 hours), program URControl will crash. Ports 29999, 30001, and 30003 cannot be connected.
The robot needs to be restarted to work properly.

Expected Behavior:
The robot can work normally all the time.

Actual Behavior:
Long working hours can cause a crash

Workaround Suggestion:
Check the memory overflow problem of URControl ?

Robot Serial Number:
SN:2021350701

Affected Version(s):
Tested on UR5, CB3 (3.15.8)