HTTP routing on the Common Runtime has an HTTP stack supporting HTTP 1.1 or HTTP/2, a rolling timeout mechanism, and multiple simultaneous connections.| devcenter.heroku.com
Configuring database connections in the Active Record connection pool for apps running with a multi-threaded or multi-process web server.| devcenter.heroku.com
A description of the custom error information written to logs when your app experiences an error.| devcenter.heroku.com
A guide to using Puma on Heroku. Puma uses threads, in addition to worker processes, to make more use of a systems available CPU.| devcenter.heroku.com
Lots of mistakes, some uptime too.| ghiculescu.substack.com