> Well Windows Server does tend to outperform say Linux in most benchmarks these days. Especially very high end requirements like dedicated low latency interconnects etc.
Which is obviously why there are so many supercomputer in the top 500 using Windows, given that interconnects are what they are all about. Oh wait, there are zero since 2015.
> And as far as I know you don't have options like SMB DIrect (SMB over RDMA) on Linux...
According to https://en.wikipedia.org/wiki/Samba_(software) SMB 3, which includes SMB over RDMA, was introduced in Samba 4.1 in October 2013.