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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 infoOptimized for write access
Primary database modelWide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score118.75
Rank#10  Overall
#1  Wide column stores
Websitecassandra.apache.org
Technical documentationcassandra.apache.org/­doc/­latest
DeveloperApache Software Foundation infoApache top level project, originally developped by Facebook
Initial release2008
Current release3.11.8, August 2020
License infoCommercial or Open SourceOpen Source infoApache version 2
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsBSD
Linux
OS X
Windows
Data schemeschema-free
Typing infopredefined data types such as float or dateyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no
Secondary indexesrestricted infoonly equality queries, not always the best performing solution
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresno
Triggersyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possible
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operations
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess 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, well suited for hybrid and multi-cloud environments. It drives 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 and performance of NoSQL platforms.
Typical application scenarios

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

Key customers

Apple, Netflix,  Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best Buy, Comcast, eBay, Hulu, Sky, Pearson Education, Walmart, Microsoft, Macy's, McDonalds,  Macquarie Bank. 

Market metrics

Cassandra is used by 40% of the Fortune 100.

Licensing and pricing models
  • Apache license 
  • Pricing for commercial distributions provided by DataStax and available upon request.
Related products and services
Instaclustr: Hosted & Managed Apache Cassandra as a Service
DBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
DataStax Enterprise: Apache Cassandra for enterprises.
CData: Connect to Big Data & NoSQL through standard Drivers.

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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

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

How to install the Apache Cassandra NoSQL database server on Ubuntu 20.04
5 November 2020, TechRepublic

DataStax Expands Cassandra Support for Kubernetes
18 November 2020, Container Journal

Moving to cloud-native applications and data with Kubernetes and Apache Cassandra
4 November 2020, JAXenter

Stargate: A new way to think about databases
9 November 2020, Reseller News

Open source freedom on overdrive--via the cloud?
20 November 2020, TechRepublic

provided by Google News

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