Invoke "puma:restart" & "puma:start" twice causes errors of Capistrano 3.9.0 · Issue #255 · seuros/capistrano-puma · GitHub
![ruby on rails - Puma not starting after EC2 restart,bundler: command not found: puma - Stack Overflow ruby on rails - Puma not starting after EC2 restart,bundler: command not found: puma - Stack Overflow](https://i.stack.imgur.com/jTDup.png)
ruby on rails - Puma not starting after EC2 restart,bundler: command not found: puma - Stack Overflow
Puma not restarting (or at least not loading new current) when notified with SIGUSR2 · Issue #416 · puma/puma · GitHub
![Requests to Puma hanging due to issues with Keep-Alive, Content-Length, and HTTP_VERSION headers · Issue #1565 · puma/puma · GitHub Requests to Puma hanging due to issues with Keep-Alive, Content-Length, and HTTP_VERSION headers · Issue #1565 · puma/puma · GitHub](https://user-images.githubusercontent.com/1251092/38956208-cc255b66-430b-11e8-886d-ea5ada6b7d30.png)