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DBMS > Memcached vs. Oracle Coherence vs. SwayDB vs. Yaacomo

System Properties Comparison Memcached vs. Oracle Coherence vs. SwayDB vs. Yaacomo

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSwayDB  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionIn-memory key-value store, originally intended for cachingOracles in-memory data grid solutionAn embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storageOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelKey-value storeKey-value storeKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score19.42
Rank#32  Overall
#4  Key-value stores
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.00
Rank#382  Overall
#59  Key-value stores
Websitewww.memcached.orgwww.oracle.com/­java/­coherenceswaydb.simer.auyaacomo.com
Technical documentationgithub.com/­memcached/­memcached/­wikidocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOracleSimer PlahaQ2WEB GmbH
Initial release2003200720182009
Current release1.6.25, March 202414.1, August 2023
License infoCommercial or Open SourceOpen Source infoBSD licensecommercialOpen Source infoGNU Affero GPL V3.0commercial
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 languageCJavaScala
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
All OS with a Java VMAndroid
Linux
Windows
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesnoyes
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.nonono
Secondary indexesnononoyes
SQL infoSupport of SQLnononoyes
APIs and other access methodsProprietary protocolJCache
JPA
RESTful HTTP API
JDBC
ODBC
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Java
Java
Kotlin
Scala
Server-side scripts infoStored proceduresnonono
Triggersnoyes infoLive Eventsnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyes, with selectable consistency levelnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurableAtomic execution of operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentnoyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolauthentification to access the cache via certificates or http basic authenticationnofine grained access rights according to SQL-standard

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More resources
MemcachedOracle CoherenceSwayDBYaacomo
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