Bug ID 552198: APM App Tunnel/AM iSession Connection Memory Leak

Last Modified: Feb 13, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP AAM, APM(all modules)

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 12.0.0, 12.0.0 HF1, 12.0.0 HF2

Fixed In:
12.1.0, 12.0.0 HF3, 11.6.1, 11.5.4 HF2

Opened: Oct 13, 2015
Severity: 3-Major
Related AskF5 Article:
K27590443

Symptoms

A memory leak occurs when APM application tunnels or AM iSession connections are aborted while waiting to be reused.

Impact

Available memory might be significantly reduced when a large number of iSession connections waiting to be reused are aborted.

Conditions

The iSession profile reuse-connection attribute is true. A large number of iSession connections are aborted while waiting to be reused.

Workaround

Disable the iSession profile reuse-connection attribute. Restart TMM.

Fix Information

This release fixes an APM App Tunnel/AM iSession connection memory leak.

Behavior Change