Bug ID 555464: HA channel flapping will cause SessionDB memory leak on standby due to unexpired entries

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1

Fixed In:
12.1.0, 11.6.5.2, 11.5.9

Opened: Oct 31, 2015

Severity: 2-Critical

Symptoms

SessionDB memory leak on a standby in the HA pair due to HA channel flapping causing failure of expiry messages.

Impact

Slow memory leakage on the standby

Conditions

SessionDB in use, HA channel errors

Workaround

Alleviate the HA flapping and then restart the standby.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips