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DBMS > Memcached vs. RocksDB

System Properties Comparison Memcached vs. RocksDB

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Our visitors often compare Memcached and RocksDB with Redis, Amazon DynamoDB and MongoDB.

Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelKey-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score24.56
Rank#33  Overall
#4  Key-value stores
Score3.94
Rank#88  Overall
#15  Key-value stores
Websitewww.memcached.orgrocksdb.org
Technical documentationgithub.com/­memcached/­memcached/­wikigithub.com/­facebook/­rocksdb/­wiki
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalFacebook, Inc.
Initial release20032013
Current release1.6.15, March 20227.3.1, June 2022
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoBSD
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.
Implementation languageCC++
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datenono
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.no
Secondary indexesnono
SQL infoSupport of SQLnono
APIs and other access methodsProprietary protocolC++ API
Java API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C++
Java
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitynone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentnoyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolno

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More resources
MemcachedRocksDB
DB-Engines blog posts

Redis extends the lead in the DB-Engines key-value store ranking
3 February 2014, Matthias Gelbmann

New DB-Engines Ranking shows the popularity of database management systems
3 October 2012, Matthias Gelbmann, Paul Andlinger

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Recent citations in the news

Business email platform Zimbra patches memcached injection flaw that imperils user credentials
16 June 2022, The Daily Swig

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

Distributed Caching on Cloud – The New Stack
16 June 2022, thenewstack.io

CERT-In issues threat alerts for Adobe, Microsoft and others
19 June 2022, The Hindu

System Design Interview Prep: All you need to know about Caching
30 May 2022, DataDrivenInvestor

provided by Google News

Did Rockset Just Solve Real-Time Analytics?
25 August 2021, Datanami

provided by Google News

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