Symptoms
Increase in CPU usage by 7.3% observed for Ramcache::HTTP tests.
Impact
Response delay or failure in connectivity on client side especially during peak traffic flow due to increased CPU usage.
Conditions
- BIG-IP Virtual Edition
- VMWARE 40G NIC SR-IOV with 8 vCPUs unpacked 16GB
- 16KB file size with 1 Request Per Connection
- 16KB file size with 100 Requests Per Connection
- 512KB file size with 1 Request Per Connection
- 512KB file size with 100 Requests Per Connection
Virtual server with the following profiles -
1. http
2. tcp profile with nagle disabled
3. web acceleration profile with following attributes -
- cache-max-age 36000
- cache-object-max-size 1500001
- cache-object-min-size 1
Fix Information
The Virtual Edition network driver now processes traffic more efficiently as expected.
