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DBMS > Memcached vs. Oracle Coherence vs. Titan

System Properties Comparison Memcached vs. Oracle Coherence vs. Titan

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonOracle Coherence  Xexclude from comparisonTitan  Xexclude from comparison
Titan has been decommisioned after the takeover by Datastax. It will be removed from the DB-Engines ranking. A fork has been open-sourced as JanusGraph.
DescriptionIn-memory key-value store, originally intended for cachingOracles in-memory data grid solutionTitan is a Graph DBMS optimized for distributed clusters.
Primary database modelKey-value storeKey-value storeGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score20.74
Rank#32  Overall
#4  Key-value stores
Score2.02
Rank#131  Overall
#22  Key-value stores
Websitewww.memcached.orgwww.oracle.com/­java/­coherencegithub.com/­thinkaurelius/­titan
Technical documentationgithub.com/­memcached/­memcached/­wikidocs.oracle.com/­en/­middleware/­standalone/­coherencegithub.com/­thinkaurelius/­titan/­wiki
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOracleAurelius, owned by DataStax
Initial release200320072012
Current release1.6.25, March 202414.1, August 2023
License infoCommercial or Open SourceOpen Source infoBSD licensecommercialOpen Source infoApache license, version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaJava
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
All OS with a Java VMLinux
OS X
Unix
Windows
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesyes
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 indexesnonoyes
SQL infoSupport of SQLnonono
APIs and other access methodsProprietary protocolJCache
JPA
RESTful HTTP API
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Java
Clojure
Java
Python
Server-side scripts infoStored proceduresnonoyes
Triggersnoyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingyes infovia pluggable storage backends
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia Faunus, a graph analytics engine
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyes infoRelationships in graph
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyes infooptionallyyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcast
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 authenticationUser authentification and security via Rexster Graph Server

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MemcachedOracle CoherenceTitan
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