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DBMS > Cassandra vs. Elasticsearch

System Properties Comparison Cassandra vs. Elasticsearch

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Our visitors often compare Cassandra and Elasticsearch with MongoDB, Redis and MySQL.

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonElasticsearch  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA modern search and analytics engine based on Apache Lucene
Primary database modelWide column storeSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score123.21
Rank#9  Overall
#1  Wide column stores
Score119.78
Rank#10  Overall
#1  Search engines
Websitecassandra.apache.orgwww.elastic.co/­products/­elasticsearch
Technical documentationdocs.datastax.comwww.elastic.co/­guide/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookElastic
Initial release20082010
Current release3.11.1, October 20176.0.1, December 2017
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2
Cloud-based infoOnly available as a cloud servicenono
Implementation languageJavaJava
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java VM
Data schemeschema-freeschema-free infoFlexible type definitions. Once a type is defined, it is persistent
Typing infopredefined data types such as float or dateyesyes
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 solutionyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like DML and DDL statements (CQL)no
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Java API
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
Clojure
Erlang
Go
Groovy
Haskell
Java
JavaScript
Lua
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnoyes
Triggersyesyes infoby using the 'percolation' feature
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
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
CassandraElasticsearch
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system driving...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersBarracuda Networks, NY Times, Outbrain, BazaarVoice, Best Buy, Comcast, eBay, Hulu,...
» more
Market metricsCassandra is used by a quarter of the Fortune 100
» more
Licensing and pricing modelsApache licenseĀ  Pricing for commercial distributions provided by DataStax and available...
» more

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3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
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Progress DataDirect: Data connectivity across standard SQL and REST
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More resources
CassandraElasticsearch
DB-Engines blog posts

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

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5 January 2016, Paul Andlinger, Matthias Gelbmann

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2 November 2015, Paul Andlinger

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Elasticsearch moved into the top 10 most popular database management systems
3 July 2017, Matthias Gelbmann

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

Elasticsearch replaced Solr as the most popular search engine
12 January 2016, Paul Andlinger

show all

Conferences and events

Elastic{ON} 2018, Elasticsearch User Conference
San Francisco, California, USA, 27 February 2018 - 1 March 2018

Recent citations in the news

Microsoft updates Cosmos DB with Cassandra support, better availability guarantees
15 November 2017, VentureBeat

Microsoft 'Connects' With Open Source Databricks, Cassandra, MariaDB
18 November 2017, eWeek

Yes sir, no sir, 3 bags NoSQL sir: It's a whizz-bang benchmark ... but WTF does it signify?
7 December 2017, The Register

Database Trends and Application Magazine (DBTA) Names Datos IO's RecoverX 2018 Trend-Setting Product
12 December 2017, GlobeNewswire (press release)

What is NoSQL? NoSQL databases explained
13 December 2017, Networks Asia

provided by Google News

Elasticsearch 6.0: not that new, but quite improved
14 November 2017, ZDNet

Coveo Announces Early Access of Coveo on Elasticsearch ...
30 November 2017, PR Web (press release)

GDS pledges to learn from coding gaffe that caused GOV.UK search ...
12 December 2017, PublicTechnology.net

Logz.io Earns PCI Level 1 Certification, Confirming Highest Level of ...
13 December 2017, GlobeNewswire (press release)

SearchBlox to Participate in AWS re:Invent 2017
27 November 2017, PR Web (press release)

provided by Google News

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