Bug ID 452516: Excessive memory consumption after extended use

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
10.2.4, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1

Fixed In:
11.6.0, 11.5.2, 11.4.1 HF9, 11.2.1 HF15

Opened: Mar 16, 2014

Severity: 3-Major

Symptoms

Certain conditions can lead to excessive memory consumption. Excessive buffering results in performance drop, connections being dropped, and Out-of-memory core errors.

Impact

This might result in performance drop, connections being halted, and out-of-memory cores. Performance and stability can be impacted as well as full traffic-outages.

Conditions

This can occur after a long period of time, such as a month or more.

Workaround

The command 'bigstart restart tmm' on the standby unit will clear up the condition.

Fix Information

Memory usage has been improved for certain categories of connections that are not yet fully established.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips