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DBMS > Memcached vs. OpenSearch

System Properties Comparison Memcached vs. OpenSearch

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Our visitors often compare Memcached and OpenSearch with Redis, Elasticsearch and Google Cloud Datastore.

Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonOpenSearch  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache Lucene
Primary database modelKey-value storeSearch engine
Vector DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score15.78
Rank#34  Overall
#4  Key-value stores
Score16.97
Rank#32  Overall
#4  Search engines
#2  Vector DBMS
Websitewww.memcached.orggithub.com/­opensearch-project
opensearch.org
Technical documentationgithub.com/­memcached/­memcached/­wikiopensearch.org/­docs/­latest
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalThe OpenSearch Software Foundation
Initial release20032021
Current release1.6.29, June 20242.19, February 2025
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
STACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.
Implementation languageCJava
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
All OS with a Java VM
Data schemeschema-freeschema-free infoFlexible type definitions. Once a type is defined, it is persistent
Typing infopredefined data types such as float or datenoyes
Secondary indexesnoyes infoAll search fields are automatically indexed
SQL infoSupport of SQLnoSQL-like query language
APIs and other access methodsProprietary protocolJava API
RESTful HTTP/JSON API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
Server-side scripts infoStored proceduresnoyes
Triggersnoyes infoby using the 'percolation' feature
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentnoyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
MemcachedOpenSearch
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