Project Summary
Cassandra is a highly scalable, eventually consistent, distributed, structured key-value store. Cassandra brings together the distributed systems technologies from Dynamo and the data model from Google's BigTable. Like Dynamo, Cassandra is eventually consistent. Like BigTable, Cassandra provides a ColumnFamily-based data model richer than typical key/value systems.
Cassandra was open sourced by Facebook in 2008, where it was designed by one of the authors of Amazon's Dynamo. In a lot of ways you can think of Cassandra as Dynamo 2.0. Cassandra is in production use at Facebook but is still under heavy development.
In a Nutshell, Cassandra...
- ...
- ...
-
...
has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
...
took an estimated 262 years of effort (COCOMO model)
starting with its first commit in March, 2009
ending with its most recent commit 19 days 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 )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
-
...
in 2016, 47% of companies did not have formal process in place to track OS code
-
...
learn about Open Hub updates and features on the Open Hub blog
-
...
nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
-
...
check out hot projects on the Open Hub
30 Day SummaryJun 18 2025 — Jul 18 2025
|
12 Month SummaryJul 18 2024 — Jul 18 2025
|
