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DBMS > LokiJS vs. PouchDB vs. Solr

System Properties Comparison LokiJS vs. PouchDB vs. Solr

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparisonSolr  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDBA widely used enterprise search engine based on Apache Lucene
Primary database modelDocument storeDocument storeSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#231  Overall
#33  Document stores
Score2.75
Rank#88  Overall
#16  Document stores
Score57.57
Rank#17  Overall
#3  Search engines
Websitelokijs.orgpouchdb.comlucene.apache.org/­solr
Technical documentationlokijs.org/­#/­docspouchdb.com/­guideslucene.apache.org/­solr/­resources.html
DeveloperApache Software FoundationApache Software Foundation
Initial release201420122004
Current release7.1.1, June 20198.2.0, July 2019
License infoCommercial or Open SourceOpen SourceOpen SourceOpen 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 languageJavaScriptJavaScriptJava
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VM and a servlet container inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeschema-freeschema-freeyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or datenonoyes infosupports customizable data types and automatic typing
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 indexesyes infovia viewsyes infovia viewsyes infoAll search fields are automatically indexed
SQL infoSupport of SQLnonono infosupports limited query time joins
APIs and other access methodsJavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
Java API
RESTful HTTP API
Supported programming languagesJavaScriptJavaScript.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresView functions in JavaScriptView functions in JavaScriptJava plugins
Triggersyesyesyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infowith a proxy-based framework, named couchdb-loungeSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMaster-master replication infoalso with CouchDB databases
Master-slave replication infoalso with CouchDB databases
cloud/distributed (via Zookeeper)
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyEventual Consistency infoslaves poll the master in predefined intervalls
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possiblenooptimistic locking infoSolr 4
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlnono

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More resources
LokiJSPouchDBSolr
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Recent citations in the news

LokiJS 1.4 Release Brings Performance Improvement, NativeScript Adapter
12 July 2016, InfoQ.com

Fast, Lightweight Data Storage for Cordova Apps with LokiJS
26 January 2016, SitePoint

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

LinkedIn open-sources URL-Detector Java library, LokiJS 1.4, and Bulgaria's new open-source law—SD Times news digest: July 5, 2016
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7 September 2016, SitePoint

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25 September 2015, SitePoint

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15 October 2019, Appinventiv

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25 September 2019, CMSWire

Sun Shining on Solar Alliance
23 September 2019, Baystreet.ca

Enterprise Search Software Market Will Generate New Growth Opportunities By 2027| Leading Key Players like Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, AddSearch, SLI Systems, Amazon CloudSearch, Coveo, FishEye, and Inbenta
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