Bug ID 1271941: Tomcat CPU utilization increased after upgrading to 15.1.6 and higher versions.

Last Modified: Apr 26, 2024

Affected Product(s):
BIG-IP Install/Upgrade, TMOS(all modules)

Known Affected Versions:
15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4

Opened: Mar 16, 2023

Severity: 3-Major

Symptoms

Tomcat CPU utilization is high after upgrading to BIG-IP 15.1.6, java garbage collector is running high. Tomcat needs more memory after upgrading OpenJDK.

Impact

Tomcat server runs in an unstable state as CPU utilization is abnormal.

Conditions

- Upgrade from BIG-IP 15.1.5 and earlier versions to BIG-IP 15.1.6 and higher versions.

Workaround

Increase the cores or CPUs of the BIG-IP for the VE / VCMP. In most cases, it is not necessary to increase the number of CPU cores.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips