- Currently "dm-crypt" does all encryption work per dmcrypt mapping in a single workqueue. This does not scale well when multiple cores are submitting IO at a high rate. The single core running the single thread cannot keep up with the encryption and encrypted IO performance tasks, which causes a bottleneck on the IO worker. How to make
dm-cryptable to use more than one core.
- Red Hat Enterprise Linux (RHEL) 6, 7
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.