Linux kernel parameters can impact Redis performance.
Kernel network stack can have a direct impact on Redis.
Transparent Huge Page setting is enabled by default in Redis to avoid latency problems.
By default, Redis will disable transparent huge page (THP) for the Redis process in order to avoid latency problems.
Which compiler flags can be used to potentially gain additional performance on Arm?
The easiest way to gain performance is to use the latest version of GCC. Aside from that, the flag -mcpu and -flto can be used to potentially gain additional performance.