Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP All
Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 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
Opened: Sep 24, 2014 Severity: 3-Major Related Article:
K37041313
When pkcs11d is set to use a very high thread count, CPU utilization can increase dramatically.
Less CPU available for other processes.
The thread count for pkcs11d is set higher than the default.
Do not set the db variable for pkcs11d thread count (/sys crypto fips external-hsm num-threads) higher than the default.
pkcs11d CPU utilization is far lower even with a high thread count.