FlockDB
| Company type | Open-source software |
|---|---|
| Industry | Software, Database management |
| Founded | April 2010 |
| Founder | Nick Kallen, Robey Pointer, John Kalucki, Ed Ceaser |
| Defunct | February 2012 |
| Headquarters | United States |
| Products | Graph database |
| Owner | |
| Website | github |
FlockDB was a distributed, fault-resilient graph database released as open-source software, engineered to handle extensive but shallow network graphs. Created by Twitter developers Nick Kallen, Robey Pointer, John Kalucki, and Ed Ceaser, its main application involved storing user connections such as followers and favorites. Unlike graph databases like Neo4j, FlockDB prioritized fast set-based operations over complex multi-hop traversals, resembling the functionality found in Redis sets.
Initially launched in April 2010 and receiving its final update (version 1.8.5) in February 2012, FlockDB was developed using Scala, Java, and Ruby languages and distributed under the Apache License 2.0. The system was deeply integrated with Twitter’s Gizzard framework to facilitate querying across its distributed storage.
Twitter has since ceased development and support for FlockDB, and the project is no longer actively maintained.