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DBMS > Elasticsearch vs. Galaxybase vs. Greenplum vs. LokiJS

System Properties Comparison Elasticsearch vs. Galaxybase vs. Greenplum vs. LokiJS

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Editorial information provided by DB-Engines
NameElasticsearch  Xexclude from comparisonGalaxybase  Xexclude from comparisonGreenplum  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricScalable, ACID-compliant native distributed parallel graph platformAnalytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database infoA logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.In-memory JavaScript DBMS
Primary database modelSearch engineGraph DBMSRelational DBMSDocument store
Secondary database modelsDocument store
Spatial DBMS
Vector DBMS
Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score128.79
Rank#8  Overall
#1  Search engines
Score0.00
Rank#385  Overall
#40  Graph DBMS
Score7.71
Rank#46  Overall
#29  Relational DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Websitewww.elastic.co/­elasticsearchgalaxybase.comgreenplum.orggithub.com/­techfort/­LokiJS
Technical documentationwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmldocs.greenplum.orgtechfort.github.io/­LokiJS
DeveloperElasticChuanglin(Createlink) Technology Co., Ltd 浙江创邻科技有限公司Pivotal Software Inc.
Initial release2010201720052014
Current release8.6, January 2023Nov 20, November 20217.0.0, September 2023
License infoCommercial or Open SourceOpen Source infoElastic LicensecommercialOpen Source infoApache 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC and JavaJavaScript
Server operating systemsAll OS with a Java VMLinuxLinuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistentStrong typed schemayesschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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.nonoyes infosince Version 4.2no
Secondary indexesyes infoAll search fields are automatically indexedyesyesyes infovia views
SQL infoSupport of SQLSQL-like query languagenoyesno
APIs and other access methodsJava API
RESTful HTTP/JSON API
Browser interface
console (shell)
Graph API (Gremlin)
OpenCypher
Proprietary native API
JDBC
ODBC
JavaScript API
Supported programming languages.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
Go
Java
Python
C
Java
Perl
Python
R
JavaScript
Server-side scripts infoStored proceduresyesuser defined procedures and functionsyesView functions in JavaScript
Triggersyes infoby using the 'percolation' featureyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyes infoRelationships in graphsyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationyesnoyes
User concepts infoAccess controlRole-based access controlfine grained access rights according to SQL-standardno

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More resources
ElasticsearchGalaxybaseGreenplumLokiJS
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