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DBMS > AgensGraph vs. AlaSQL vs. Blazegraph vs. GeoMesa vs. Memcached

System Properties Comparison AgensGraph vs. AlaSQL vs. Blazegraph vs. GeoMesa vs. Memcached

Editorial information provided by DB-Engines
NameAgensGraph  Xexclude from comparisonAlaSQL  Xexclude from comparisonBlazegraph  Xexclude from comparisonGeoMesa  Xexclude from comparisonMemcached  Xexclude from comparison
Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.
DescriptionMulti-model database supporting relational and graph data models and built upon PostgreSQLJavaScript DBMS libraryHigh-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.GeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.In-memory key-value store, originally intended for caching
Primary database modelGraph DBMS
Relational DBMS
Document store
Relational DBMS
Graph DBMS
RDF store
Spatial DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.20
Rank#321  Overall
#27  Graph DBMS
#143  Relational DBMS
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score0.75
Rank#219  Overall
#19  Graph DBMS
#8  RDF stores
Score0.78
Rank#213  Overall
#4  Spatial DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Websitebitnine.net/­agensgraphalasql.orgblazegraph.comwww.geomesa.orgwww.memcached.org
Technical documentationbitnine.net/­documentationgithub.com/­AlaSQL/­alasqlwiki.blazegraph.comwww.geomesa.org/­documentation/­stable/­user/­index.htmlgithub.com/­memcached/­memcached/­wiki
DeveloperBitnine Global Inc.Andrey Gershun & Mathias R. WulffBlazegraphCCRi and othersDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release20162014200620142003
Current release2.1, December 20182.1.5, March 20194.0.5, February 20241.6.25, March 2024
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open Source infoMIT-LicenseOpen Source infoextended commercial license availableOpen Source infoApache License 2.0Open Source infoBSD license
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 languageCJavaScriptJavaScalaC
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Windows
FreeBSD
Linux
OS X
Unix
Windows
Data schemedepending on used data modelschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesnoyes infoRDF literal typesyesno
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.nonono
Secondary indexesyesnoyesyesno
SQL infoSupport of SQLyesClose to SQL99, but no user access control, stored procedures and host language bindings.SPARQL is used as query languagenono
APIs and other access methodsCypher Query Language
JDBC
JavaScript APIJava API
RESTful HTTP API
SPARQL QUERY
SPARQL UPDATE
TinkerPop 3
Proprietary protocol
Supported programming languagesC
Java
JavaScript
Python
JavaScript.Net
C
C++
Java
JavaScript
PHP
Python
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesnoyesnono
Triggersnoyesnonono
Partitioning methods infoMethods for storing different data on different nodesno, but can be realized using table inheritancenoneShardingdepending on storage layernone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnoneyesdepending on storage layernone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency or Eventual Consistency depending on configurationdepending on storage layer
Foreign keys infoReferential integrityyesyesyes infoRelationships in Graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infoonly for local storage and DOM-storageACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesdepending on storage layer
User concepts infoAccess controlfine grained access rights according to SQL-standardnoSecurity and Authentication via Web Application Container (Tomcat, Jetty)yes infodepending on the DBMS used for storageyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
AgensGraphAlaSQLBlazegraphGeoMesaMemcached
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