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DBMS > Memcached vs. openGauss vs. OpenMLDB

System Properties Comparison Memcached vs. openGauss vs. OpenMLDB

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonopenGauss  Xexclude from comparisonOpenMLDB  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiAn open-source machine learning database that provides a feature platform for training and inference
Primary database modelKey-value storeRelational DBMSTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.08
Rank#32  Overall
#4  Key-value stores
Score1.06
Rank#184  Overall
#84  Relational DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Websitewww.memcached.orggitee.com/­opengauss
opengauss.org
openmldb.ai
Technical documentationgithub.com/­memcached/­memcached/­wikidocs.opengauss.org/­en
gitee.com/­opengauss/­docs
openmldb.ai/­docs/­zh/­main
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalHuawei and openGauss community4 Paradigm Inc.
Initial release200320192020
Current release1.6.27, May 20243.0, March 20222024-2 February 2024
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC, C++, JavaC++, Java, Scala
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
Data schemeschema-freeyesFixed schema
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.nono
Secondary indexesnoyesyes
SQL infoSupport of SQLnoANSI SQL 2011yes
APIs and other access methodsProprietary protocolJDBC
ODBC
JDBC
SQLAlchemy
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C++
Java
C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresnoyesno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning (by range, list and hash)horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standard

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More resources
MemcachedopenGaussOpenMLDB
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