Bug ID 760130: [APM] Memory leak when PingAccess encounters error after sending traffic data to PingAccess SDK

Last Modified: May 29, 2024

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

Known Affected Versions:
13.1.1.3, 13.1.1.4, 13.1.1.5, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3

Fixed In:
15.0.0, 14.1.3.1, 13.1.3

Opened: Feb 28, 2019

Severity: 2-Critical

Symptoms

-- Increased overall TMM memory usage, which eventually forces TMM to start closing connections to reduce memory usage. -- connflow memory usage keeps increasing. Memory usage can be observed with this command: # tmctl -f /var/tmstat/blade/tmm0 memory_usage_stat -w200

Impact

-- Memory leak. -- Eventually TMM starts closing connections randomly.

Conditions

1. Using PingAccess. 2. Errors are being logged in /var/log/paa.

Workaround

None.

Fix Information

When PingAccess encounters an error after sending traffic data to PingAccess SDK, TMM no longer leaks memory.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips