FlockDB

{{Short description|Graph-based distributed data manager, project no longer maintained since 2012}}

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{{Infobox software

| name = FlockDB

| logo =

| screenshot =

| caption = A distributed, fault-tolerant graph database.

| collapsible =

| author = Nick Kallen, Robey Pointer, John Kalucki and Ed Ceaser from Twitter

| developer = Twitter{{Cite web |url=https://db-engines.com/en/system/FlockDB |title=FlockDB System Properties |website=db-engines.com |language=en |access-date=2017-10-09}}

| released = {{Start date|2010|04}}

| latest release version = 1.8.5

| latest release date = {{Release date and age|2012|02|23|df=yes}}{{cite web |url=https://github.com/twitter/flockdb/releases |title=FlockDB 1.8.5 released |date=February 22, 2012 |publisher=Twitter |access-date=2 November 2013}}

| programming language = Scala, Java, Ruby

| operating system =

| platform =

| size =

| language =

| discontinued = yes

| genre = Graph Database

| license = Apache License 2.0

| website = {{URL|https://github.com/twitter/flockdb}}

}}

FlockDB was an open-source distributed, fault-tolerant graph database for managing wide but shallow network graphs.{{cite web|url=http://gigaom.com/2010/04/12/twitter-open-sources-the-home-of-its-social-graph/|title=Gigaom|website=gigaom.com|access-date=16 September 2017|archive-date=17 September 2017|archive-url=https://web.archive.org/web/20170917075708/https://gigaom.com/2010/04/12/twitter-open-sources-the-home-of-its-social-graph/|url-status=dead}} 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.{{cite web|url=https://github.com/twitter/flockdb#readme|title=GitHub - twitter-archive/flockdb: A distributed, fault-tolerant graph database|website=github.com|access-date=16 September 2017}} 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.

Twitter no longer supports FlockDB.{{cite web|url=https://github.com/twitter-archive/flockdb|title=GitHub - twitter-archive/flockdb: A distributed, fault-tolerant graph database|website=github.com|access-date=27 May 2020 |quote=Twitter is no longer maintaining this project or responding to issues or PRs.}}