Linux 5.0 To Linux 5.9 Kernel Benchmarking Was A Bumpy Ride With New Regressions
Again, for most real-world workloads the Linux 5.0 through 5.9-rc4 performance on this AMD EPYC 7702 server was steady as would be expected.
One other regression that seems to be happening since Linux ~5.2 is the KeyDB multi-threaded fork of Redis running behind on post-5.2 kernels.