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DBMS > Cachelot.io vs. Memcached vs. OrigoDB vs. ToroDB vs. VelocityDB

System Properties Comparison Cachelot.io vs. Memcached vs. OrigoDB vs. ToroDB vs. VelocityDB

Editorial information provided by DB-Engines
NameCachelot.io  Xexclude from comparisonMemcached  Xexclude from comparisonOrigoDB  Xexclude from comparisonToroDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionIn-memory caching systemIn-memory key-value store, originally intended for cachingA fully ACID in-memory object graph databaseA MongoDB-compatible JSON document store, built on top of PostgreSQLA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeKey-value storeDocument store
Object oriented DBMS
Document storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.04
Rank#388  Overall
#62  Key-value stores
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.06
Rank#380  Overall
#50  Document stores
#19  Object oriented DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#16  Object oriented DBMS
Websitecachelot.iowww.memcached.orgorigodb.comgithub.com/­torodb/­servervelocitydb.com
Technical documentationgithub.com/­memcached/­memcached/­wikiorigodb.com/­docsvelocitydb.com/­UserGuide
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalRobert Friberg et al8KdataVelocityDB Inc
Initial release201520032009 infounder the name LiveDB20162011
Current release1.6.27, May 20247.x
License infoCommercial or Open SourceOpen Source infoSimplified BSD LicenseOpen Source infoBSD licenseOpen SourceOpen Source infoAGPL-V3commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++CC#JavaC#
Server operating systemsFreeBSD
Linux
OS X
FreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
All OS with a Java 7 VMAny that supports .NET
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or datenonoUser defined using .NET types and collectionsyes infostring, integer, double, boolean, date, object_idyes
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 infocan be achieved using .NETnono
Secondary indexesnonoyesyes
SQL infoSupport of SQLnononono
APIs and other access methodsMemcached protocolProprietary protocol.NET Client API
HTTP API
LINQ
.Net
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
OCaml
Perl
PHP
Python
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net.Net
Server-side scripts infoStored proceduresnonoyesno
Triggersnonoyes infoDomain EventsnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioning infoclient side managed; servers are not synchronizedShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonodepending on modelnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentnonoyes infoWrite ahead logyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolRole based authorizationAccess rights for users and rolesBased on Windows Authentication

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More resources
Cachelot.ioMemcachedOrigoDBToroDBVelocityDB
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