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DBMS > Cassandra vs. CouchDB vs. Percona Server for MongoDB

System Properties Comparison Cassandra vs. CouchDB vs. Percona Server for MongoDB

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A drop-in replacement for MongoDB Community Edition with enterprise-grade features.
Primary database modelWide column storeDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score123.22
Rank#10  Overall
#1  Wide column stores
Score18.04
Rank#34  Overall
#5  Document stores
Score0.51
Rank#205  Overall
#28  Document stores
Websitecassandra.apache.orgcouchdb.apache.orgwww.percona.com/­software/­mongo-database/­percona-server-for-mongodb
Technical documentationcassandra.apache.org/­doc/­latestdocs.couchdb.org/­en/­stablewww.percona.com/­doc/­percona-server-for-mongodb/­LATEST/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerPercona
Initial release200820052015
Current release3.11.4, February 20192.3.1, March 20193.4.10-2.10, November 2017
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache version 2Open Source infoGPL Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaErlangC++
Server operating systemsBSD
Linux
OS X
Windows
Android
BSD
Linux
OS X
Solaris
Windows
Linux
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyes
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.nonono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infovia viewsyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)nono
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
RESTful HTTP/JSON APIproprietary protocol using JSON
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
Actionscript
C
C#
C++
Clojure
ColdFusion
D
Dart
Delphi
Erlang
Go
Groovy
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Scala
Smalltalk
Server-side scripts infoStored proceduresnoView functions in JavaScriptJavaScript
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infoimproved architecture with release 2.0Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMaster-master replication
Master-slave replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsno infoatomic operations within a single document possibleno
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infovia In-Memory Engine
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users can be defined per databaseAccess rights for users and roles
More information provided by the system vendor
CassandraCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"Percona Server for MongoDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
100% drop in replacement for MongoDB Provides enterprise-grade features in an open...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Encrypted WiredTiger storage engine provides data at rest encryption SASL authentication...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Unstructured data models Internet of Things applications Meeting requirements for...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
SB Tech Moz Meu Patrocinio Passportal See more Percona customers .
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Over 385,000 downloads 800+ customers. Awarded Bronze Stevie® Award winner for "New...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
Open source and 100% free of fees and license agreements
» more

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More resources
CassandraCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"Percona Server for MongoDB
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