Bug ID 510318: Session Database / iRule subtable leak

Last Modified: Apr 10, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Opened: Mar 03, 2015
Severity: 2-Critical
Related AskF5 Article:
K16327

Symptoms

Viprion systems may show apparent tmm memory leak in session, session cache and session master key caches. This is indicated by the tmctl memory_usage_stat command.

Impact

Memory leaks in tmm can lead to system instability, performance issues and network outages.

Conditions

Chassis based system (VIPRION) using inter-chassis mirroring and use of table action -subtable.

Workaround

Avoid subtable use.

Fix Information

None

Behavior Change