Project Summary
Alluxio, formerly Tachyon, is a memory speed virtual distributed storage enabling reliable data sharing at memory-speed across cluster jobs. Alluxio lies between computation frameworks, such as Spark, MapReduce, or Flink, and various storage systems, such as Amazon S3, OpenStack Swift, GlusterFS, HDFS, or Ceph. Alluxio brings significant performance improvement and bridges new workloads with data stored in traditional storage.
Alluxio is Hadoop compatible. Existing Spark and MapReduce programs can run on top of it without code changes. The project is deployed at multiple companies. With less than three years open source history, Alluxio has attracted more than 600 contributors from over 200 institutions, including Alibaba, Alluxio, Baidu, IBM, Intel, Red Hat, and UC Berkeley.
In a Nutshell, Alluxio (formerly Tachyon): A Memory ...
- ...
- ...
- ...
-
...
took an estimated 94 years of effort (COCOMO model)
starting with its first commit in December, 2012
ending with its most recent commit over 1 year ago
Quick Reference
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
-
...
use of OSS increased in 65% of companies in 2016
-
...
data presented on the Open Hub is available through our API
-
...
nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
-
...
by exploring contributors within projects, you can view details on every commit they have made to that project
30 Day SummaryJul 29 2026 — Aug 28 2026
|
12 Month SummaryAug 28 2025 — Aug 28 2026
|
