Performance impact of luks and bypass kcryptd workqueues.
Issue
- SSD with LUKS on high load average, high await freezes Server
- Server with LUKS on SSD froze on high load.
Environment
- Red Hat Enterprise Linux 8.4
- Red Hat Enterprise Linux 8.6
kernel version < 4.18.0-372.57.1.el8_6 - device mapper crypto target (dm-crypt)
- LUKS encryption
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
