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DBMS > Cassandra vs. LokiJS vs. OpenSearch vs. SWC-DB vs. TerminusDB

System Properties Comparison Cassandra vs. LokiJS vs. OpenSearch vs. SWC-DB vs. TerminusDB

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenSearch  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessIn-memory JavaScript DBMSA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache LuceneA high performance, scalable Wide Column DBMSScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelWide column storeDocument storeSearch engineWide column storeGraph DBMS
Secondary database modelsVector DBMS infostarting with release V5Vector DBMSTime Series DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score101.89
Rank#12  Overall
#1  Wide column stores
Score0.43
Rank#264  Overall
#42  Document stores
Score16.36
Rank#37  Overall
#4  Search engines
Score0.01
Rank#376  Overall
#13  Wide column stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitecassandra.apache.orggithub.com/­techfort/­LokiJSgithub.com/­opensearch-project
opensearch.org
github.com/­kashirin-alex/­swc-db
www.swcdb.org
terminusdb.com
Technical documentationcassandra.apache.org/­doc/­latesttechfort.github.io/­LokiJSopensearch.org/­docs/­latestterminusdb.github.io/­terminusdb/­#
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookAmazon Web ServicesAlex KashirinDataChemist Ltd.
Initial release20082014202120202018
Current release4.1.3, July 20232.5.0, January 20230.5, April 202111.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache version 2Open SourceOpen Source infoApache Version 2.0Open Source infoGPL V3Open Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
  • 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.
  • Aiven for OpenSearch: Fully managed open source search and analytics suite. Out-of-the-box integrations get you up and running in a couple of clicks.
Implementation languageJavaJavaScriptJavaC++Prolog, Rust
Server operating systemsBSD
Linux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VMLinuxLinux
Data schemeschema-freeschema-freeschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-freeyes
Typing infopredefined data types such as float or dateyesnoyesyes
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.nononono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infovia viewsyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noSQL-like query languageSQL-like query languageSQL-like query language (WOQL)
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JavaScript APIJava API
RESTful HTTP/JSON API
Proprietary protocol
Thrift
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
JavaScriptGo
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
C++JavaScript
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptyesnoyes
Triggersyesyesyes infoby using the 'percolation' featurenoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"noneShardingShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possiblenoneyesJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
noneEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allImmediate Consistency
Foreign keys infoReferential integritynononoyes
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 collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlAccess rights for users can be defined per objectnoRole-based access control
More information provided by the system vendor
CassandraLokiJSOpenSearchSWC-DB infoSuper Wide Column DatabaseTerminusDB infoformer name was DataChemist
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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OpenSearch is a highly scalable and extensible open-source software suite for search,...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Distributed as fully open source under Apache License, Version 2.0 (ALv2), OpenSearch...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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The OpenSearch platform is used across a broad range of search , analytics, and observability...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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The OpenSearch Project offers open source software licensed under Apache License...
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