Tornado is a scalable, non-blocking web server and web application framework written in Python. It was developed for use by FriendFeed; the company was acquired by Facebook in 2009 and Tornado was open-sourced soon after.
Contents
Performance
Tornado is noted for its high performance. Its design enables handling a large number of concurrent connections (i.e., tries to solve the "C10k problem").
Modules
An asynchronous MongoDB driver called Motor.
CouchDB drivers called corduroy and trombi.
Asynchronous driver for PostgreSQL wrapping psycopg called Momoko
Example
The following code shows a simple web application that displays "Hello World!" when visited:




