I'd also be curious about this. C10k was a problem at the turn of the century but world has changed a lot since, both in terms of hardware and kernel. Best ref

I'd also be curious about this. C10k was a problem at the turn of the century but world has changed a lot since, both in terms of hardware and kernel. Best reference I could easily find was this experiment that had 100k connections to mysql which has thread per connection model. Seems to handle it well https://www.percona.com/blog/2019/02/25/mysql-challenge-100k-connections/ https://www.percona.com/blog/2019/02/25/mysql-challenge-100k...