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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 PostgreSQL.

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 distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metric
Primary database modelWide column storeSearch engine
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score125.72
Rank#10  Overall
#1  Wide column stores
Score148.62
Rank#7  Overall
#1  Search engines
Websitecassandra.apache.orgwww.elastic.co/­products/­elasticsearch
Technical documentationcassandra.apache.org/­doc/­latestwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookElastic
Initial release20082010
Current release3.11.4, February 20197.0.0, April 2019
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2; Elastic License
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Elasticsearch Service on Elastic Cloud: Try out the official hosted Elasticsearch and Kibana offering available on AWS and GCP that's powered by the creators of Elasticsearch.
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.nono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like query language
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
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
Community Contributed Clients
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 methodsyesES-Hadoop Connector
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.noMemcached and Redis integration
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, well...
» more
Elasticsearch is a highly scalable open source full-text search and analytics engine....
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Open source, real-time index, search and analysis, horizontally scalable, distributed,...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more

» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more

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Market metricsCassandra is used by 40% of the Fortune 100.
» more
More than 250 million cumulative downloads More than 100,000 community members in...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
The Elastic Stack (Elasticsearch, Kibana, Beats, and Logstash) is free and open source...
» more
Related products and services
3rd partiesDataStax Enterprise: Apache Cassandra for enterprises.
» more

Instaclustr: Fully Hosted and Managed Apache Cassandra
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more
Elastic Cloud: Try the official hosted Elasticsearch.
» more

Dremio: Analyze your data with standard SQL and any BI tool. Accelerate your queries up to 1,000x.
» more

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

More resources
CassandraElasticsearch
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Conferences and events

DataStax Accelerate, Apache Cassandra Conference
National Harbor, Maryland, USA, 21-23 May 2019 (finished)

Recent citations in the news

DataStax has stars in its eyes over Constellation, its latest tweak on Apache Cassandra
23 May 2019, The Register

DataStax Offers Cloud-Native Database Management Based On Apache Cassandra
21 May 2019, SDxCentral

DataStax Maps Out Constellation For Zettabyte-Wide Data Estates
23 May 2019, Forbes

DataStax Announces the 2019 Stax Awards and Partner of the Year Winners
23 May 2019, Associated Press

Stars align as DataStax comes up with Cassandra-aaS product
22 May 2019, DevClass

provided by Google News

Some Elasticsearch security features are now free for everyone
21 May 2019, ZDNet

Tencent Cloud Elasticsearch Service: A New Partnership in China and Beyond
22 May 2019, Yahoo Finance

Exposed Elasticsearch Database Compromises Data on ...
17 May 2019, Dark Reading

Sensitive Information of Millions of Panama Citizens Leaked
13 May 2019, BleepingComputer

Canada's Freedom Mobile Elasticsearch database exposed | SC Media
8 May 2019, SC Magazine

provided by Google News

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