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DBMS > Firebase Realtime Database vs. Hawkular Metrics vs. LokiJS vs. Percona Server for MongoDB vs. SiteWhere

System Properties Comparison Firebase Realtime Database vs. Hawkular Metrics vs. LokiJS vs. Percona Server for MongoDB vs. SiteWhere

Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonHawkular Metrics  Xexclude from comparisonLokiJS  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.In-memory JavaScript DBMSA drop-in replacement for MongoDB Community Edition with enterprise-grade features.M2M integration platform for persisting/querying time series data
Primary database modelDocument storeTime Series DBMSDocument storeDocument storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.60
Rank#39  Overall
#6  Document stores
Score0.01
Rank#377  Overall
#39  Time Series DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score0.50
Rank#250  Overall
#39  Document stores
Score0.07
Rank#347  Overall
#33  Time Series DBMS
Websitefirebase.google.com/­products/­realtime-databasewww.hawkular.orggithub.com/­techfort/­LokiJSwww.percona.com/­mongodb/­software/­percona-server-for-mongodbgithub.com/­sitewhere/­sitewhere
Technical documentationfirebase.google.com/­docs/­databasewww.hawkular.org/­hawkular-metrics/­docs/­user-guidetechfort.github.io/­LokiJSdocs.percona.com/­percona-distribution-for-mongodbsitewhere1.sitewhere.io/­index.html
DeveloperGoogle infoacquired by Google 2014Community supported by Red HatPerconaSiteWhere
Initial release20122014201420152010
Current release3.4.10-2.10, November 2017
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open SourceOpen Source infoGPL Version 2Open Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScriptC++Java
Server operating systemshostedLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)LinuxLinux
OS X
Windows
Data schemeschema-freeschema-freeschema-freeschema-freepredefined scheme
Typing infopredefined data types such as float or dateyesyesnoyesyes
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.nonononono
Secondary indexesyesnoyes infovia viewsyesno
SQL infoSupport of SQLnonononono
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
HTTP RESTJavaScript APIproprietary protocol using JSONHTTP REST
Supported programming languagesJava
JavaScript
Objective-C
Go
Java
Python
Ruby
JavaScriptActionscript
C
C#
C++
Clojure
ColdFusion
D
Dart
Delphi
Erlang
Go
Groovy
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Scala
Smalltalk
Server-side scripts infoStored procedureslimited functionality with using 'rules'noView functions in JavaScriptJavaScript
TriggersCallbacks are triggered when data changesyes infovia Hawkular Alertingyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneSource-replica replicationselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
noneEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnono infoatomic operations within a single collection possiblenono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infovia In-Memory Engineno
User concepts infoAccess controlyes, based on authentication and database rulesnonoAccess rights for users and rolesUsers with fine-grained authorization concept

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More resources
Firebase Realtime DatabaseHawkular MetricsLokiJSPercona Server for MongoDBSiteWhere
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