Bug ID 530622: EAM plugin uses high memory when serving very high concurrent user load

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.6.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.6.1, 11.5.4, 11.4.1 HF10

Opened: Jun 30, 2015

Severity: 2-Critical

Symptoms

EAM plugin cannot sustain high concurrent user load and will be killed by memory monitors. EAM is cored and restarted. Any requests coming during restart will not be served.

Impact

As a result, EAM cored and restarted; users cannot authenticate during process restart.

Conditions

This issue was found internally during in stress testing and was reported externally when experiencing high concurrent user load.

Workaround

No workaround.

Fix Information

There was a memory usage issue in the EAM plugin. This issue is fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips