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DBMS > Memcached vs. PouchDB vs. Sadas Engine

System Properties Comparison Memcached vs. PouchDB vs. Sadas Engine

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonPouchDB  Xexclude from comparisonSadas Engine  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingJavaScript DBMS with an API inspired by CouchDBSADAS Engine is a columnar DBMS specifically designed for high performance in Data warehouse environments
Primary database modelKey-value storeDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score24.95
Rank#33  Overall
#4  Key-value stores
Score3.09
Rank#98  Overall
#18  Document stores
Score0.00
Rank#354  Overall
#152  Relational DBMS
Websitewww.memcached.orgpouchdb.comwww.sadasengine.com
Technical documentationgithub.com/­memcached/­memcached/­wikipouchdb.com/­guideswww.sadasengine.com/­index.php/­downloads/­documentation-columnar-db
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalApache Software FoundationSADAS s.r.l.
Initial release200320122006
Current release1.6.15, March 20227.1.1, June 20198.0
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Sourcecommercial infofree trial version available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaScriptC++
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)AIX
Linux
Windows
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenonoyes
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 indexesnoyes infovia viewsyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsProprietary protocolHTTP REST infoonly for PouchDB Server
JavaScript API
JDBC
ODBC
Proprietary protocol
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
JavaScript.Net
C
C#
C++
Groovy
Java
PHP
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infowith a proxy-based framework, named couchdb-loungehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
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 infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infomanaged by 'Learn by Usage'
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolnoAccess rights for users, groups and roles according to SQL-standard

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More resources
MemcachedPouchDBSadas Engine
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Recent citations in the news

How Pinterest Tuned Memcached for Big Performance Gains
16 May 2022, thenewstack.io

Key-Value Stores Market Past Research, Deep Analysis and Present Data With Redis, Azure Redis Cache, ArangoDB – The Daily Vale
22 May 2022, The Daily Vale

MGLRU Revved Once More For Promising Linux Performance Improvements
19 May 2022, Phoronix

Google Releases Memorystore for Memcached into General Availability
9 March 2021, InfoQ.com

Google Cloud rolls out Memcached database caching – Blocks and Files
4 April 2020, Blocks and Files

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Getting Started with PouchDB Client-Side JavaScript Database
7 September 2016, SitePoint

Speeding up IndexedDB reads and writes
22 August 2021, Nolan Lawson

Offline-first web and mobile apps: Top frameworks and components
22 January 2019, TechBeacon

provided by Google News

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