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DBMS > etcd vs. Memcached vs. TerminusDB vs. Typesense

System Properties Comparison etcd vs. Memcached vs. TerminusDB vs. Typesense

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Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonMemcached  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonTypesense  Xexclude from comparison
DescriptionA distributed reliable key-value storeIn-memory key-value store, originally intended for cachingScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA typo-tolerant, in-memory search engine optimized for instant search-as-you-type experiences and developer productivity
Primary database modelKey-value storeKey-value storeGraph DBMSSearch engine
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.03
Rank#54  Overall
#5  Key-value stores
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.23
Rank#316  Overall
#27  Graph DBMS
Score0.76
Rank#219  Overall
#14  Search engines
Websiteetcd.io
github.com/­etcd-io/­etcd
www.memcached.orgterminusdb.comtypesense.org
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
github.com/­memcached/­memcached/­wikiterminusdb.github.io/­terminusdb/­#typesense.org/­docs
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalDataChemist Ltd.
Initial release200320182015
Current release3.4, August 20191.6.27, May 202411.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSD licenseOpen Source infoGPL V3Open Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoCProlog, RustC++
Server operating systemsFreeBSD
Linux
Windows infoexperimental
FreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
Data schemeschema-freeschema-freeyesschema-free infopre-defined schema optional
Typing infopredefined data types such as float or datenonoyesyes
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.nono
Secondary indexesnonoyes
SQL infoSupport of SQLnonoSQL-like query language (WOQL)no
APIs and other access methodsgRPC
JSON over HTTP
Proprietary protocolOWL
RESTful HTTP API
WOQL (Web Object Query Language)
RESTful HTTP API
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
JavaScript
Python
.Net infocommunity maintained
Clojure infocommunity maintained
Dart infocommunity maintained
Go infocommunity maintained
Java infocommunity maintained
JavaScript
Perl infocommunity maintained
PHP
Python
Ruby
Rust infocommunity maintained
Swift infocommunity maintained
Server-side scripts infoStored proceduresnonoyesno
Triggersyes, watching key changesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.none infoRepcached, a Memcached patch, provides this functionallityJournaling StreamsMulti-source replication using RAFT
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesnoyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolRole-based access control

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More resources
etcdMemcachedTerminusDB infoformer name was DataChemistTypesense
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