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DBMS > Cassandra

Cassandra System Properties

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Editorial information provided by DB-Engines
NameCassandra
DescriptionWide-column store based on ideas of BigTable and DynamoDB Optimized for write access
Database modelWide column store
DB-Engines Ranking measures the popularity of database management systems
Trend Chart
Score134.28
Rank#7  Overall
#1  Wide column stores
Websitecassandra.apache.org
Technical documentationwww.datastax.com/­docs
DeveloperApache Software Foundation Apache top level project, originally developped by Facebook
Initial release2008
Current release3.9, September 2016
LicenseOpen Source Apache version 2
Cloud-based Only available as a cloud serviceno
Implementation languageJava
Server operating systemsBSD
Linux
OS X
Windows
Data schemeschema-free
Typing predefined data types such as float or dateyes
Secondary indexesrestricted only equality queries, not always the best performing solution
SQL Support of (almost full) SQL standard (DML, DDL and DCL statements)no
APIs and other access methodsProprietary protocol CQL (Cassandra Query Language, an SQL-like language) and an API based on Apache Thrift
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript Node.js
Perl
PHP
Python
Ruby
Scala
Server-side scripts Stored proceduresno
Triggersyes
Partitioning methods Methods for storing different data on different nodesSharding no "single point of failure"
Replication methods Methods for redundantly storing data on multiple nodesselectable replication factor Representation of geographical distribution of servers is possible
MapReduce Offers an API for user-defined Map/Reduce methodsyes
Consistency concepts Methods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency can be individually decided for each write operation
Foreign keys Referential integrityno
Transaction concepts Support to ensure data integrity after non-atomic manipulations of datano Atomicity and isolation are supported for single operations
Concurrency Support for concurrent manipulation of datayes
Durability Support for making data persistentyes
User concepts Access controlAccess rights for users can be defined per object
More information provided by the system vendor
Cassandra
Specific characteristics

Apache Cassandra is the leading NoSQL, distributed database management system driving many of today's modern business applications by offering continuous availability, high scalability and performance, strong security, and operational simplicity while lowering overall cost of ownership.

Competitive advantages
  • No single point of failure ensures 100% availability.
  • Operational simplicity for lowest total cost of ownership.
  • Best-in-class scalability of NoSQL platforms.
Typical application scenarios

Internet of Things (IOT), fraud detection applications, recommendation engines, product catalogs and playlists and messaging applications.

Key customers

Barracuda Networks, NY Times, Outbrain, BazaarVoice, Best Buy, Comcast, eBay, Hulu, Sky, Pearson Education 

Market metrics

Cassandra is used by a quarter of the Fortune 100

Licensing and pricing models
  • Apache license 
  • Pricing for commercial distributions provided by DataStax and available upon request.
3rd party products and services
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More resources
Cassandra
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

Recent citations in the news

The battle for Apache Cassandra highlights major problem with open source projects
11 November 2016, TechRepublic

Fear of Staxit: What next for ASF's Cassandra as biggest donor cuts back
14 November 2016, The Register

DataStax acquires its way into managed NoSQL cloud database market
15 November 2016, SiliconANGLE (blog)

A Peek Inside DataStax's New Cloud Strategy
18 November 2016, Datanami

Cloud convenience is killing the open source database | InfoWorld
7 December 2016, InfoWorld

provided by Google News




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