On Fri, Jan 30, 2026 at 8:29 PM Jakub Kicinski <[email protected]> wrote: > > Add a test which checks that the RSS table is at least 4x the max > queue count supported by the device. The original RSS spec from > Microsoft stated that the RSS indirection table should be 2 to 8 > times the CPU count, presumably assuming queue per CPU. If the > CPU count is not a power of two, however, a power-of-2 table > 2x larger than queue count results in a 33% traffic imbalance. > Validate that the indirection table is at least 4x the queue > count. This lowers the imbalance to 16% which empirically > appears to be more acceptable to memcache-like workloads.
I think this nice observation could be captured in Documentation/networking/scaling.rst amending your commit ? commit b91f2e13c972c3f2f33ecc873b0ff0ada3fa1854 docs: networking: document multi-RSS context Thanks !
