Bug ID 1305865: Drop in performance with high throughput on BIG-IP 15.1.9 Virtual Edition or tenants on r2000 or r4000 hosts.

Last Modified: Feb 14, 2024

Affected Product(s):
BIG-IP F5OS, LTM, TMOS(all modules)

Known Affected Versions:
15.1.9.1, 15.1.9

Fixed In:
15.1.10

Opened: Jun 09, 2023

Severity: 1-Blocking

Symptoms

Up to 30% drop in performance due to non-optimal DAG algorithm.

Impact

There is up to a 30% drop in the performance of the traffic. The impact will be higher on systems where packet throughput is very high and a substantial amount of the CPU use was already used for servicing packet throughput.

Conditions

BIG-IP version 15.1.9 or 15.1.9.1 BIG-IP Virtual Edition or tenants on r2x00 or r4x00 systems.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips