Nutcracker

Wikimedia infrastructure
Data centres and PoPs Networking HTTP Caching Wiki HHVM Nutcracker Memcached Redis Parser cache Media Logs

Nutcracker (also known as twemproxy) is a lightweight proxy for memcached and Redis. It was primarily built to reduce the connection count between web servers and backend hosts.

Service

• Provisioned by Puppet (nutcracker module, and mediawiki::nutcracker).
• Monitored by Incinga.
• Logs are not stored. (?)

Usage

Installed on Application servers.

See also

• Memcached
• Redis

External links

• https://github.com/twitter/twemproxy