Tornado (web server)

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Original author(s)FriendFeed
Developer(s)Ben Darnell, Facebook, Bret Taylor
Initial release2009; 10 years ago (2009)
Stable release
6.0.1[1] / March 3, 2019; 3 months ago (2019-03-03)
Repository Edit this at Wikidata
Written inPython
Operating systemCross-platform
Available inEnglish
TypeWeb server
LicenseApache licence 2.0

Tornado is a scalable, non-blocking web server and web application framework written in Python.[2] It was developed for use by FriendFeed; the company was acquired by Facebook in 2009 and Tornado was open-sourced soon after.[3]


Tornado is noted for its high performance. It tries to solve the C10k problem affecting other servers.


  • An asynchronous MongoDB driver called Motor.
  • CouchDB drivers called corduroy and trombi.
  • Asynchronous driver for PostgreSQL wrapping psycopg called Momoko

See also[edit]


  1. ^ "Release notes".
  2. ^ "Home - tornado - GitHub". GitHub. Retrieved 2009-09-10.
  3. ^ "Facebook open-sources real-time FriendFeed facet". CNet. Retrieved 2009-09-10.

External links[edit]