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DBMS > LokiJS vs. OpenTSDB vs. PouchDB

System Properties Comparison LokiJS vs. OpenTSDB vs. PouchDB

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonOpenTSDB  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSScalable Time Series DBMS based on HBaseJavaScript DBMS with an API inspired by CouchDB
Primary database modelDocument storeTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.38
Rank#268  Overall
#43  Document stores
Score1.51
Rank#141  Overall
#12  Time Series DBMS
Score2.08
Rank#116  Overall
#21  Document stores
Websitegithub.com/­techfort/­LokiJSopentsdb.netpouchdb.com
Technical documentationtechfort.github.io/­LokiJSopentsdb.net/­docs/­build/­html/­index.htmlpouchdb.com/­guides
Developercurrently maintained by Yahoo and other contributorsApache Software Foundation
Initial release201420112012
Current release7.1.1, June 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoLGPLOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenonumeric data for metrics, strings for tagsno
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 viewsnoyes infovia views
SQL infoSupport of SQLnonono
APIs and other access methodsJavaScript APIHTTP API
Telnet API
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesJavaScriptErlang
Go
Java
Python
R
Ruby
JavaScript
Server-side scripts infoStored proceduresView functions in JavaScriptnoView functions in JavaScript
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBaseSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBaseMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistency infobased on HBaseEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possiblenono
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.yesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnonono

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More resources
LokiJSOpenTSDBPouchDB
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