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DBMS > Memcached vs. Oracle Coherence

System Properties Comparison Memcached vs. Oracle Coherence

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Our visitors often compare Memcached and Oracle Coherence with Redis, Ignite and Hazelcast.

Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingOracles in-memory data grid solution
Primary database modelKey-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score26.34
Rank#27  Overall
#4  Key-value stores
Score2.94
Rank#99  Overall
#20  Key-value stores
Websitewww.memcached.orgwww.oracle.com/­technetwork/­middleware/­coherence/­overview/­index.html
Technical documentationgithub.com/­memcached/­memcached/­wikiwww.oracle.com/­technetwork/­middleware/­coherence/­documentation/­index.html
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOracle
Initial release20032007
Current release1.6.0, March 202012c, September 2016
License infoCommercial or Open SourceOpen Source infoBSD licensecommercial
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 languageCJava
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
All OS with a Java VM
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datenoyes
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 protocolJCache
JPA
RESTful HTTP API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Java
Server-side scripts infoStored proceduresnono
Triggersnoyes infoLive Events
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, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentnoyes infooptionally
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) protocolauthentification to access the cache via certificates or http basic authentication

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More resources
MemcachedOracle Coherence
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Recent citations in the news

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2 April 2020, TechCrunch

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

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Memcached 1.6 puts binary protocol to bed • DEVCLASS
9 March 2020, DevClass

Buffer Overflow in Memcached Fixed | Decipher
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SL Corporation Launches RTView Oracle Coherence Monitor 6.0 with Advanced Analytics and Alerting; Integration with RTView Enterprise Monitor
9 May 2013, Business Wire

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