![Switching from a synchronous webserver (Puma) to an asynchronous one (Goliath) | by Thiago Ribeiro | PDVend Engineering | Medium Switching from a synchronous webserver (Puma) to an asynchronous one (Goliath) | by Thiago Ribeiro | PDVend Engineering | Medium](https://miro.medium.com/max/736/1*wS8kHrlyR9QxlSqPxQwZbA.png)
Switching from a synchronous webserver (Puma) to an asynchronous one (Goliath) | by Thiago Ribeiro | PDVend Engineering | Medium
![Switching from Unicorn to Puma. Cloud hosting providers, like Amazon… | by Guy Callaghan | FiNC Tech Blog | Medium Switching from Unicorn to Puma. Cloud hosting providers, like Amazon… | by Guy Callaghan | FiNC Tech Blog | Medium](https://miro.medium.com/max/1372/1*qbL04gFavMINRtwTWMIu9Q.png)
Switching from Unicorn to Puma. Cloud hosting providers, like Amazon… | by Guy Callaghan | FiNC Tech Blog | Medium
![Puma 1/2 Canister Air Filter 2140019A Measures 3/4 across the threads Puma 1/2 Canister Air Filter Measures 3/4 across the threads NA Air Compressor Replacement Parts Puma 1/2 Canister Air Filter 2140019A Measures 3/4 across the threads Puma 1/2 Canister Air Filter Measures 3/4 across the threads NA Air Compressor Replacement Parts](https://images-na.ssl-images-amazon.com/images/I/71ISwGBlWOL._AC_SL1500_.jpg)
Puma 1/2 Canister Air Filter 2140019A Measures 3/4 across the threads Puma 1/2 Canister Air Filter Measures 3/4 across the threads NA Air Compressor Replacement Parts
![How we've made Phusion Passenger 5 ("Raptor") up to 4x faster than Unicorn, up to 2x faster than Puma, Torquebox How we've made Phusion Passenger 5 ("Raptor") up to 4x faster than Unicorn, up to 2x faster than Puma, Torquebox](https://www.rubyraptor.org/img/multithreaded-io.png)