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DBMS > Memcached vs. NebulaGraph vs. Sequoiadb

System Properties Comparison Memcached vs. NebulaGraph vs. Sequoiadb

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonNebulaGraph  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingA distributed, linear scalable, high perfomant Graph DBMSNewSQL database with distributed OLTP and SQL
Primary database modelKey-value storeGraph DBMSDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score20.74
Rank#32  Overall
#4  Key-value stores
Score2.12
Rank#125  Overall
#10  Graph DBMS
Score0.48
Rank#260  Overall
#41  Document stores
#121  Relational DBMS
Websitewww.memcached.orggithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
www.sequoiadb.com
Technical documentationgithub.com/­memcached/­memcached/­wikidocs.nebula-graph.iowww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalVesoft Inc.Sequoiadb Ltd.
Initial release200320192013
Current release1.6.25, March 2024
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoServer: AGPL; Client: Apache V2
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++
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
Data schemeschema-freeStrong typed schemaschema-free
Typing infopredefined data types such as float or datenoyesyes infooid, date, timestamp, binary, regex
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 indexesnoyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.yes
SQL infoSupport of SQLnoSQL-like query languageSQL-like query language
APIs and other access methodsProprietary protocolBrowser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
proprietary protocol using JSON
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Go
Java
PHP
Python
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresnouser defined functionsJavaScript
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityCausal Clustering using Raft protocolSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolRole-based access controlsimple password-based access control
More information provided by the system vendor
MemcachedNebulaGraphSequoiadb
Specific characteristicsNebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesNebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsNebulaGraph is open source and free to use under Apache 2.0 license.
» more

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MemcachedNebulaGraphSequoiadb
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