Software:FlockDB

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Short description: Graph-based distributed data manager, project no longer maintained since 2012
FlockDB
Original author(s)Nick Kallen, Robey Pointer, John Kalucki and Ed Ceaser from Twitter
Developer(s)Twitter[1]
Initial releaseApril 2010 (April 2010)
Final release
1.8.5 / 23 February 2012; 12 years ago (2012-02-23)[2]
Written inScala, Java, Ruby
TypeGraph Database
LicenseApache License 2.0
Websitegithub.com/twitter/flockdb

FlockDB was an open-source distributed, fault-tolerant graph database for managing wide but shallow network graphs.[3] It was initially used by Twitter to store relationships between users, e.g. followings and favorites. FlockDB differs from other graph databases, e.g. Neo4j in that it was not designed for multi-hop graph traversal but rather for rapid set operations, not unlike the primary use-case for Redis sets.[4] FlockDB was posted on GitHub shortly after Twitter released its Gizzard framework, which it used to query the FlockDB distributed datastore. The database is licensed under the Apache License.[1]

Twitter no longer supports FlockDB.[5]

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