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DBMS > Memcached vs. OpenMLDB vs. Speedb vs. Valentina Server

System Properties Comparison Memcached vs. OpenMLDB vs. Speedb vs. Valentina Server

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonOpenMLDB  Xexclude from comparisonSpeedb  Xexclude from comparisonValentina Server  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingAn open-source machine learning database that provides a feature platform for training and inferenceAn embeddable, high performance key-value store optimized for write-intensive workloads, which can be used as a drop-in replacement for RocksDBObject-relational database and reports server
Primary database modelKey-value storeTime Series DBMSKey-value storeRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.26
Rank#310  Overall
#45  Key-value stores
Score0.21
Rank#325  Overall
#144  Relational DBMS
Websitewww.memcached.orgopenmldb.aiwww.speedb.iowww.valentina-db.net
Technical documentationgithub.com/­memcached/­memcached/­wikiopenmldb.ai/­docs/­zh/­mainvalentina-db.com/­docs/­dokuwiki/­v5/­doku.php
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal4 Paradigm Inc.SpeedbParadigma Software
Initial release2003202020201999
Current release1.6.27, May 20242024-2 February 20245.7.5
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen SourceOpen Source infoApache Version 2.0; commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++, Java, ScalaC++
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
Windows
Linux
OS X
Windows
Data schemeschema-freeFixed schemaschema-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.nono
Secondary indexesnoyesnoyes
SQL infoSupport of SQLnoyesnoyes
APIs and other access methodsProprietary protocolJDBC
SQLAlchemy
ODBC
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C++
Go
Java
Python
Scala
C
C++
Go
Java
Perl
Python
Ruby
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
Server-side scripts infoStored proceduresnononoyes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyesyesyes
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) protocolfine grained access rights according to SQL-standardnofine grained access rights according to SQL-standard
More information provided by the system vendor
MemcachedOpenMLDBSpeedbValentina Server
Specific characteristicsSpeedb is an embedded key-value storage engine for versatile use cases. It was designed...
» more
Competitive advantagesSpeedb Open-source rebases on RocksDB's latest versions, with enhanced capabilities...
» more
Licensing and pricing modelsOpen source - Speedb OSS is released under an Apache license and can be found on...
» more

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MemcachedOpenMLDBSpeedbValentina Server
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