Apache Giraph

An iterative graph processing system built for high scalability, inspired by Google's Pregel model. Runs on Apache Hadoop using a bulk-synchronous parallel computing model where vertices exchange messages during computation supersteps. Originally developed at Yahoo and later used at scale by Facebook.

Visit website GitHub 619 stars

Elsewhere

Overall rank: #47
First released: February 2012
License: Apache-2.0
Built with: Java

Details

Vendor: Apache Software Foundation
Type: Property Graph
Kind: Query Engine
Category: Established
Status: Inactive — Retired to the Apache Attic in October 2023. Repository is archived and read-only.
License: Apache-2.0
Language: Java
Query Languages: Java API
Protocols: Unknown

Sources 3 references

License Apache-2.0

SPDX identifier as classified by GitHub from the repository licence file.

"spdx_id": "Apache-2.0"
GitHub licence API — apache/giraph · reviewed 2026-08-02

Released 2012-02

Confirms the current value: Giraph's own news page dates its first (incubating) release to February 6, 2012.

February 6, 2012: Giraph 0.1-incubating released. The Giraph PPMC is excited to announce that version 0.1 has been released.
Giraph - Welcome To Apache Giraph! · reviewed 2026-08-02

Language Java

Confirms the current value; GitHub reports Java as the repository's primary language.

"watchers_count": 620, "language": "Java", "has_issues": false,
apache/giraph (GitHub API repository object) · reviewed 2026-08-02