DBMS > CouchDB vs. HugeGraph vs. Memcached

System Properties Comparison CouchDB vs. HugeGraph vs. Memcached

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
Name	CouchDB stands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparison	HugeGraph  Xexclude from comparison	Memcached  Xexclude from comparison
Description	A native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.	A fast-speed and highly-scalable Graph DBMS	In-memory key-value store, originally intended for caching
Primary database model	Document store	Graph DBMS	Key-value store
Secondary database models	Spatial DBMS using the Geocouch extension
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 17.16 Rank #41   Overall #7   Document stores	Score 0.20 Rank #288   Overall #22   Graph DBMS	Score 24.56 Rank #33   Overall #4   Key-value stores
Website	couchdb.apache.org	github.com/­hugegraph	www.memcached.org
Technical documentation	docs.couchdb.org/­en/­stable	hugegraph.github.io/­hugegraph-doc	github.com/­memcached/­memcached/­wiki
Developer	Apache Software Foundation Apache top-level project, originally developed by Damien Katz, a former Lotus Notes developer	Baidu	Danga Interactive originally developed by Brad Fitzpatrick for LiveJournal
Initial release	2005	2018	2003
Current release	3.2.2, April 2022	0.9	1.6.15, March 2022
License Commercial or Open Source	Open Source Apache version 2	Open Source Apache Version 2.0	Open Source BSD license
Cloud-based only Only available as a cloud service	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Erlang	Java	C
Server operating systems	Android BSD Linux OS X Solaris Windows	Linux macOS Unix	FreeBSD Linux OS X Unix Windows
Data scheme	schema-free	yes	schema-free
Typing predefined data types such as float or date	no	yes	no
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
Secondary indexes	yes via views	yes also supports composite index and range index	no
SQL Support of SQL	no	no	no
APIs and other access methods	RESTful HTTP/JSON API	Java API RESTful HTTP API TinkerPop Gremlin	Proprietary protocol
Supported programming languages	C C# ColdFusion Erlang Haskell Java JavaScript Lisp Lua Objective-C OCaml Perl PHP PL/SQL Python Ruby Smalltalk	Groovy Java Python	.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml Perl PHP Python Ruby
Server-side scripts Stored procedures	View functions in JavaScript	asynchronous Gremlin script jobs	no
Triggers	yes	no	no
Partitioning methods Methods for storing different data on different nodes	Sharding improved architecture with release 2.0	yes depending on used storage backend, e.g. Cassandra and HBase	none
Replication methods Methods for redundantly storing data on multiple nodes	Multi-source replication Source-replica replication	yes depending on used storage backend, e.g. Cassandra and HBase	none Repcached, a Memcached patch, provides this functionallity
MapReduce Offers an API for user-defined Map/Reduce methods	yes	via hugegraph-spark	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency	Eventual Consistency
Foreign keys Referential integrity	no	yes edges in graph	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no atomic operations within a single document possible	ACID	no
Concurrency Support for concurrent manipulation of data	yes strategy: optimistic locking	yes	yes
Durability Support for making data persistent	yes	yes	no
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes
User concepts Access control	Access rights for users can be defined per database	Users, roles and permissions	yes using SASL (Simple Authentication and Security Layer) protocol
More information provided by the system vendor We invite representatives of system vendors to contact us for updating and extending the system information, and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.
Related products and services We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
More resources
	CouchDB stands for "Cluster Of Unreliable Commodity Hardware"	HugeGraph	Memcached
DB-Engines blog posts	Couchbase climbs up the DB-Engines Ranking, increasing its popularity by 10% every month 2 June 2014, Matthias Gelbmann show all