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DBMS > KairosDB vs. LokiJS vs. Microsoft Azure AI Search

System Properties Comparison KairosDB vs. LokiJS vs. Microsoft Azure AI Search

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonLokiJS  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2In-memory JavaScript DBMSSearch-as-a-service for web and mobile app development
Primary database modelTime Series DBMSDocument storeSearch engine
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score5.59
Rank#63  Overall
#7  Search engines
Websitegithub.com/­kairosdb/­kairosdbgithub.com/­techfort/­LokiJSazure.microsoft.com/­en-us/­services/­search
Technical documentationkairosdb.github.iotechfort.github.io/­LokiJSlearn.microsoft.com/­en-us/­azure/­search
DeveloperMicrosoft
Initial release201320142015
Current release1.2.2, November 2018V1
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScript
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)hosted
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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 indexesnoyes infovia viewsyes
SQL infoSupport of SQLnonono
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
JavaScript APIRESTful HTTP API
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
JavaScriptC#
Java
JavaScript
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneSharding infoImplicit feature of the cloud service
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranoneyes infoImplicit feature of the cloud service
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
noneImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleno
Concurrency infoSupport for concurrent manipulation of datayesyes
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.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlsimple password-based access controlnoyes infousing Azure authentication

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More resources
KairosDBLokiJSMicrosoft Azure AI Search
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