DBMS > Badger vs. Hawkular Metrics vs. Lovefield vs. Percona Server for MongoDB

System Properties Comparison Badger vs. Hawkular Metrics vs. Lovefield vs. Percona Server for MongoDB

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Editorial information provided by DB-Engines
Name	Badger  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	Lovefield  Xexclude from comparison	Percona Server for MongoDB  Xexclude from comparison
Description	An embeddable, persistent, simple and fast Key-Value Store, written purely in Go.	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	Embeddable relational database for web apps written in pure JavaScript	A drop-in replacement for MongoDB Community Edition with enterprise-grade features.
Primary database model	Key-value store	Time Series DBMS	Relational DBMS	Document store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.22 Rank #320   Overall #47   Key-value stores	Score 0.08 Rank #366   Overall #39   Time Series DBMS	Score 0.33 Rank #286   Overall #131   Relational DBMS	Score 0.60 Rank #246   Overall #39   Document stores
Website	github.com/­dgraph-io/­badger	www.hawkular.org	google.github.io/­lovefield	www.percona.com/­mongodb/­software/­percona-server-for-mongodb
Technical documentation	godoc.org/­github.com/­dgraph-io/­badger	www.hawkular.org/­hawkular-metrics/­docs/­user-guide	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md	docs.percona.com/­percona-distribution-for-mongodb
Developer	DGraph Labs	Community supported by Red Hat	Google	Percona
Initial release	2017	2014	2014	2015
Current release			2.1.12, February 2017	3.4.10-2.10, November 2017
License Commercial or Open Source	Open Source Apache 2.0	Open Source Apache 2.0	Open Source Apache 2.0	Open Source GPL Version 2
Cloud-based only Only available as a cloud service	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Go	Java	JavaScript	C++
Server operating systems	BSD Linux OS X Solaris Windows	Linux OS X Windows	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari	Linux
Data scheme	schema-free	schema-free	yes	schema-free
Typing predefined data types such as float or date	no	yes	yes	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no	no	no
Secondary indexes	no	no	yes	yes
SQL Support of SQL	no	no	SQL-like query language via JavaScript builder pattern	no
APIs and other access methods		HTTP REST		proprietary protocol using JSON
Supported programming languages	Go	Go Java Python Ruby	JavaScript	Actionscript 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 Stored procedures	no	no	no	JavaScript
Triggers	no	yes via Hawkular Alerting	Using read-only observers	no
Partitioning methods Methods for storing different data on different nodes	none	Sharding based on Cassandra	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	none	selectable replication factor based on Cassandra	none	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	yes
Consistency concepts Methods to ensure consistency in a distributed system	none	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra		Eventual Consistency Immediate Consistency
Foreign keys Referential integrity	no	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	no	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes, by using IndexedDB or the cloud service Firebase Realtime Database	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	yes using MemoryDB	yes via In-Memory Engine
User concepts Access control	no	no	no	Access rights for users and roles
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More resources
	Badger	Hawkular Metrics	Lovefield	Percona Server for MongoDB
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