https://www.suse.com/documentation/sles11/book_sle_tuning/data/sec_util_memory.html
SLES 11/12 OS Tuning & Optimization Guide – Part 1
https://www.suse.com/c/sles-1112-os-tuning-optimisation-guide-part-1/
SLES 11/12: Network, CPU Tuning and Optimization – Part 2
https://www.suse.com/c/sles-1112-network-cpu-tuning-optimization-part-2/