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DBMS > Kdb vs. OpenSearch vs. Sequoiadb

System Properties Comparison Kdb vs. OpenSearch vs. Sequoiadb

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonOpenSearch  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache LuceneNewSQL database with distributed OLTP and SQL
Primary database modelTime Series DBMS
Vector DBMS
Search engineDocument store
Relational DBMS
Secondary database modelsRelational DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.72
Rank#45  Overall
#2  Time Series DBMS
#2  Vector DBMS
Score17.31
Rank#33  Overall
#4  Search engines
Score0.41
Rank#265  Overall
#42  Document stores
#122  Relational DBMS
Websitekx.comgithub.com/­opensearch-project
opensearch.org
www.sequoiadb.com
Technical documentationcode.kx.comopensearch.org/­docs/­latestwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperKx Systems, a division of First Derivatives plcAmazon Web ServicesSequoiadb Ltd.
Initial release2000 infokdb was released 2000, kdb+ in 200320212013
Current release3.6, May 20182.5.0, January 2023
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoApache Version 2.0Open Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
STACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.
Implementation languageqJavaC++
Server operating systemsLinux
OS X
Solaris
Windows
All OS with a Java VMLinux
Data schemeyesschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-free
Typing infopredefined data types such as float or dateyesyesyes infooid, date, timestamp, binary, regex
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.yesno
Secondary indexesyes infotable attribute 'grouped'yes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLSQL-like query language (q)SQL-like query languageSQL-like query language
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Java API
RESTful HTTP/JSON API
proprietary protocol using JSON
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsyesJavaScript
Triggersyes infowith viewsyes infoby using the 'percolation' featureno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allEventual Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoDocument is locked during a transaction
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.yesno
User concepts infoAccess controlrights management via user accountssimple password-based access control
More information provided by the system vendor
KdbOpenSearchSequoiadb
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
OpenSearch is a highly scalable and extensible open-source software suite for search,...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Distributed as fully open source under Apache License, Version 2.0 (ALv2), OpenSearch...
» more
Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
» more
The OpenSearch platform is used across a broad range of search , analytics, and observability...
» more
Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsupon request
» more
The OpenSearch Project offers open source software licensed under Apache License...
» more

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More resources
KdbOpenSearchSequoiadb
Recent citations in the news

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