Bug ID 421776: istatsd has high CPU usage with AVR, even when AVR is later unprovisioned.

Last Modified: Jun 30, 2019

Bug Tracker

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

Known Affected Versions:
11.2.0, 11.2.1, 11.3.0, 11.4.0

Fixed In:
11.5.0, 11.2.1 HF15

Opened: May 23, 2013
Severity: 3-Major
Related AskF5 Article:


The CPU usage for istatsd is above 90%.


The high CPU usage from istatsd may make management access to the BIG-IP sluggish.


AVR is configured, or was configured and subsequently unconfigured.


Don't configure AVR.

Fix Information

istatsd will no longer use an excessive amount of CPU with AVR that has been unprovisioned.

Behavior Change