Bug ID 812981: MCPD: memory leak on standby BIG-IP device

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.3,,,,,,,, 12.1.4,, 12.1.5, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,, 15.0.0, 15.0.1,,, 15.1.0,

Fixed In:

Opened: Aug 06, 2019

Severity: 3-Major


MCPD memory consumption may increase on standby BIG-IP device if APM configuration is updated. Some of the allocated memory is not freed after configuration update.


MCPD may take a lot of memory on the standby device. Normal functionality of standby device may be stopped; reboot of the device is required.


-- BIG-IP high availability (HA) pair is installed and configured -- APM is provisioned -- Access Policy is configured and updated periodically



Fix Information

MCPD on standby BIG-IP device does not take more memory than the same daemon on active BIG-IP device.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips