On this intranet system, I have about 100 incoming SFTP jobs that start running at the same time, and which regularly hit the MaxStartups default of 10.
Of course, according to the owner of the SFTP jobs, chronological distribution of the jobs is totally impossible and entirely out of the question. I therefore wonder what experience you might have with raising MaxStartups significantly to a value of 50, 100 or 200.
Will the server be able to handle that many simultaneous authentications? I have no experience with that amount of concurrency on SSH.
The server is of course current hardware. 8 CPU cores @2.13GHz and 4 GB RAM.