Bug ID 758235: Large user database size

Last Modified: Nov 22, 2021

Bug Tracker

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

Fixed In:
15.1.0

Opened: Feb 10, 2019
Severity: 3-Major

Symptoms

The username table in the AVR DB reaches a huge size, you observe high I/O wait and high CPU utilization.

Impact

High I/O wait on the device. It might cause tmm core dues to tmm not getting enough CPU. Traffic disrupted while tmm restarts.

Conditions

AVR configuration with a very large number of different users.

Workaround

None.

Fix Information

The following command disables the collection of the username (which prevents this issue): tmsh mod sys db avr.collapseasmhttpusername value disable

Behavior Change