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DBMS > Apache Druid vs. Couchbase vs. Impala vs. Quasardb

System Properties Comparison Apache Druid vs. Couchbase vs. Impala vs. Quasardb

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Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparisonImpala  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataJSON-based document store derived from CouchDB with a Memcached-compatible interfaceAnalytic DBMS for HadoopDistributed, high-performance timeseries database
Primary database modelRelational DBMS
Time Series DBMS
Document storeRelational DBMSTime Series DBMS
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
Spatial DBMS infousing the Geocouch extension
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.57
Rank#92  Overall
#48  Relational DBMS
#6  Time Series DBMS
Score28.45
Rank#28  Overall
#4  Document stores
Score18.71
Rank#38  Overall
#23  Relational DBMS
Score0.15
Rank#293  Overall
#26  Time Series DBMS
Websitedruid.apache.orgwww.couchbase.comwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmlquasardb.net
Technical documentationdruid.apache.org/­docs/­latest/­designdocs.couchbase.comdocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmldoc.quasardb.net
DeveloperApache Software Foundation and contributorsCouchbase, Inc.Clouderaquasardb
Initial release2012201120132009
Current release0.21.0, April 2021Server: 6.5, January 2020; Mobile: 2.7, January 2020; Couchbase Autonomous Operator: 1.2, May 20194.0.0, July 20213.1, January 2019
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoApache version 2; Commercial licenses also availableOpen Source infoApache Version 2commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Couchbase Cloud: Deploy, manage, and operate Couchbase in a few clicks
Implementation languageJavaC, C++, Go and ErlangC++C++
Server operating systemsLinux
OS X
Unix
Linux
OS X
Windows
LinuxBSD
Linux
OS X
Windows
Data schemeyes infoschema-less columns are supportedschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyes infoString, Boolean, Numberyesyes infointeger and binary
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 indexesyesyesyesyes infowith tags
SQL infoSupport of SQLSQL for queryingDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.SQL-like DML and DDL statementsSQL-like query language
APIs and other access methodsJDBC
RESTful HTTP/JSON API
Native language bindings for CRUD, Query, Search and Analytics APIsJDBC
ODBC
HTTP API
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
All languages supporting JDBC/ODBC.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnoFunctions and timers in JavaScriptyes infouser defined functions and integration of map-reduceno
Triggersnoyes infovia the TAP protocolnono
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedShardingShardingSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesMulti-source replication infoincluding cross data center replication
Source-replica replication
selectable replication factorSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyes infoquery execution via MapReducewith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoEphemeral bucketsnoyes infoTransient mode
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemUser and Administrator separation with password-based and LDAP integrated AuthenticationAccess rights for users, groups and roles infobased on Apache Sentry and KerberosCryptographically strong user authentication and audit trail
More information provided by the system vendor
Apache DruidCouchbase infoOriginally called MembaseImpalaQuasardb
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
High performance in a cost-effective small package Real-time results for even large...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
Tick database Predictive maintenance Pre-deal checks Large scale monitoring
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Large EU investment banks US based hedge funds Orolia Tellmeplus
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Has been running in very demanding production environments since 2013 Rapid adoption...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more
Community edition limited to 2 nodes and 16 GiB of storage per node available for...
» more

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More resources
Apache DruidCouchbase infoOriginally called MembaseImpalaQuasardb
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