On Fri, 3 Aug 2018, Thomas Glanzmann wrote:
If you like to run me some more experiements, I can do that. I just compile curl with a higher SO_SNDBUF / SO_RCVBUF, fire up a ec2 AWS instance with windows server 2016 somewhere in the world with a big pipe and high latency and download something from my well connected webserver.
Very interesting. It might confirm that the OS level "auto-tuning" is disabled for non-blocking sockets.
Have you tried to do something like Daniel's upload "auto-tuning" patch but for the download buffers [*]? Or maybe that's not as easily done for downloads...
[*] = https://github.com/curl/curl/pull/2762 -- / daniel.haxx.se ------------------------------------------------------------------- Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.html
