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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
Score119.01
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 release3.11.6, February 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: Fully Hosted and Managed Apache Cassandra
DataStax Enterprise: Apache Cassandra for enterprises.
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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

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2 November 2015, Paul Andlinger

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Recent citations in the news

Database Week: DataStax unleashed Astra managed Cassandra cloud
12 May 2020, ZDNet

"DataStax Astra makes the power of Apache Cassandra available to more developers"
29 May 2020, JAXenter

ScyllaDB Announces 4.0 Release of Its Open Source NoSQL Database
7 May 2020, GlobeNewswire

DataStax Astra: A DBaaS that simplifies cloud-native Apache Cassandra application development
14 May 2020, Help Net Security

Instaclustr CTO on open source database as a service
22 May 2020, TechTarget

provided by Google News

Job opportunities

NoSQL Database Administrator
IBM, United States

Database Administrator II (contract to hire)
CO-OP Financial Services, Duluth, GA

Database Developer
E3 Federal Solutions, LLC, Reston, VA

Postgres/Cassandra Production DBA
Kronos Incorporated, Lowell, MA

Database Administrator
PMG Global, Herndon, VA

jobs by Indeed




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