Bug ID 998945: Load sys config is failing with OOM in MCPD processing

Last Modified: Jan 06, 2023

Bug Tracker

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed In:
16.1.0

Opened: Mar 03, 2021
Severity: 2-Critical

Symptoms

While loading a large config on BIG-IP, mcpd runs at high CPU for a while, then is killed by the OOM killer when MCPD starts increasing rapidly in size.

Impact

Config load fails with std::badalloc with OOM.

Conditions

-- Licensed and provisioned modules: LTM+APM+AFM -- large number of virtual servers configured and executing "load sys config".

Workaround

None

Fix Information

None

Behavior Change