Bug ID 631286: TMM Memory leak caused by APM URI cache entries

Last Modified: Oct 16, 2023

Affected Product(s):
BIG-IP APM, SWG(all modules)

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3,,,,,,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.1.0,,,

Fixed In:
14.0.0,, 13.0.1,

Opened: Dec 01, 2016

Severity: 2-Critical


Tmctl stats for "access_uri_info" gradually grows and can lead to TMM memory exhaustion.


TMM memory exhaustion.


APM or SWG in use.


Restart tmm.

Fix Information

This release implements a limit of how many entries the system stores in the URI cache. The default is 2048 entries. The DB variable allows a range of 2048 - 8192. You can the following DB variable to control the max limit: access.max.euie_uri.cache.entries

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips