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Cassandra System Properties

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Editorial information provided by DB-Engines

Name

Description

Wide-column store based on ideas of BigTable and DynamoDB

Optimized for write access

Primary database model

Wide column store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	110.93
Rank	#11	Overall
	#1	Wide column stores

Website

cassandra.apache.org

Technical documentation

cassandra.apache.org/doc/latest

Developer

Apache Software Foundation

Apache top level project, originally developped by Facebook

Initial release

2008

Current release

3.11.10 , February 2021

License

Commercial or Open Source

Open Source

Apache version 2

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

Java

Server operating systems

BSD
Linux
OS X
Windows

Data scheme

schema-free

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

restricted

only equality queries, not always the best performing solution

SQL

Support of SQL

SQL-like SELECT, DML and DDL statements (CQL)

APIs and other access methods

Proprietary protocol

CQL (Cassandra Query Language, an SQL-like language)
Thrift

Supported programming languages

C#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript

Node.js
Perl
PHP
Python
Ruby
Scala

Server-side scripts

Stored procedures

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

no "single point of failure"

Replication methods

Methods for redundantly storing data on multiple nodes

selectable replication factor

Representation of geographical distribution of servers is possible

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency
Immediate Consistency

can be individually decided for each write operation

Foreign keys

Referential integrity

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

Atomicity and isolation are supported for single operations

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

User concepts

Access control

Access rights for users can be defined per object

More information provided by the system vendor

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

DataStax Enterprise: Apache Cassandra for enterprises.

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Popular Articles

Instaclustr: Hosted & Managed Apache Cassandra as a Service

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

More resources

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

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Recent citations in the news

DataStax Expands Cassandra Support for Kubernetes Distros
4 May 2021, Container Journal

Why a Cloud-Native Database Must Run on K8s
14 May 2021, Container Journal

Change Data Capture for Distributed Databases @Netflix
9 May 2021, InfoQ.com

Cassandra Database Administrator - FARFETCH job with FARFETCH Group | 162240
20 April 2021, The Business of Fashion

Cost-Saving Cassandra: Serverless Vs Self-Managed – Gigaom
23 April 2021, Gigaom

provided by Google News

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