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DBMS > Cassandra vs. Couchbase vs. Impala

System Properties Comparison Cassandra vs. Couchbase vs. Impala

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparisonImpala  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessJSON-based document store derived from CouchDB with a Memcached-compatible interfaceAnalytic DBMS for Hadoop
Primary database modelWide column storeDocument storeRelational DBMS
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocolDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score123.22
Rank#10  Overall
#1  Wide column stores
Score32.21
Rank#23  Overall
#3  Document stores
Score14.57
Rank#37  Overall
#23  Relational DBMS
Websitecassandra.apache.orgwww.couchbase.comwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.html
Technical documentationcassandra.apache.org/­doc/­latestdocs.couchbase.comwww.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookCouchbase, Inc.Cloudera
Initial release200820112013
Current release3.11.4, February 2019Server: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 20193.3.0, August 2019
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache version 2; Commercial licenses also availableOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC, C++, Go and ErlangC++
Server operating systemsBSD
Linux
OS X
Windows
Linux
OS X
Windows
Linux
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyes infoString, Boolean, Numberyes
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 solutionyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)Declarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.SQL-like DML and DDL statements
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Native language bindings for CRUD, Query, Search and Analytics APIsJDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
All languages supporting JDBC/ODBC
Server-side scripts infoStored proceduresnoFunctions and timers in JavaScriptyes infouser defined functions and integration of map-reduce
Triggersyesyes infovia the TAP protocolno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMaster-master replication infoincluding cross data center replication
Master-slave replication
selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesyes infoquery execution via MapReduce
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual 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 operationsSingle-document ACID transactionsno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.noyes infoEphemeral bucketsno
User concepts infoAccess controlAccess rights for users can be defined per objectUser and Administrator separation with password-based and LDAP integrated AuthenticationAccess rights for users, groups and roles infobased on Apache Sentry and Kerberos
More information provided by the system vendor
CassandraCouchbase infoOriginally called MembaseImpala
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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Developed as an alternative to traditionally inflexible relational databases, Couchbase...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Couchbase was architected with several differentiated capabilities: Shared-nothing,...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Customer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Amadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Named a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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The Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more

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CData: Connect to Big Data & NoSQL through standard Drivers.
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DataStax Enterprise: Apache Cassandra for enterprises.
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CData: Connect to Big Data & NoSQL through standard Drivers.
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More resources
CassandraCouchbase infoOriginally called MembaseImpala
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