> What modifications are required to be made to the linux kernel/tcp stack to take advantage of 48+ cores, in order to achieve a more linear scalability? https

> What modifications are required to be made to the linux kernel/tcp stack to take advantage of 48+ cores, in order to achieve a more linear scalability? https://xkcd.com/619/ https://xkcd.com/619/ isn't a joke. Linux is the default operating system of huge NUMA systems with hundreds of CPUs / thousands of cores.