I have a bug for my F5 Device after upgrade to OS 188.8.131.52. The bugs cause the other memory and swap memory increase significantly like pics bellow:
Whats happend if the swap memory 100% ??
TAC recommended to modify the value of db provisionextraMB but I have not received approval from the client to running this workarround.
BIG-IP system may experience high swap usage under normal operating conditions, especially in later versions, check MemAvailable in /proc/meminfo and take a look on theses K articles below :