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DBMS > Blazegraph vs. H2GIS vs. Impala

System Properties Comparison Blazegraph vs. H2GIS vs. Impala

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Editorial information provided by DB-Engines
NameBlazegraph  Xexclude from comparisonH2GIS  Xexclude from comparisonImpala  Xexclude from comparison
Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.
DescriptionHigh-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.Spatial extension of H2Analytic DBMS for Hadoop
Primary database modelGraph DBMS
RDF store
Spatial DBMSRelational DBMS
Secondary database modelsRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.91
Rank#185  Overall
#17  Graph DBMS
#8  RDF stores
Score0.03
Rank#335  Overall
#4  Spatial DBMS
Score18.03
Rank#40  Overall
#25  Relational DBMS
Websiteblazegraph.comwww.h2gis.orgwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.html
Technical documentationwiki.blazegraph.comwww.h2gis.org/­docs/­homedocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.html
DeveloperBlazegraphCNRSCloudera
Initial release200620132013
Current release2.1.5, March 20194.0.0, July 2021
License infoCommercial or Open SourceOpen Source infoextended commercial license availableOpen Source infoLGPL 3.0Open Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC++
Server operating systemsLinux
OS X
Windows
Linux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infoRDF literal typesyesyes
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 indexesyesyesyes
SQL infoSupport of SQLSPARQL is used as query languageyesSQL-like DML and DDL statements
APIs and other access methodsJava API
RESTful HTTP API
SPARQL QUERY
SPARQL UPDATE
TinkerPop 3
JDBC
ODBC
Supported programming languages.Net
C
C++
Java
JavaScript
PHP
Python
Ruby
JavaAll languages supporting JDBC/ODBC
Server-side scripts infoStored proceduresyesyes infobased on H2yes infouser defined functions and integration of map-reduce
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on H2selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoquery execution via MapReduce
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyes infoRelationships in Graphsyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlSecurity and Authentication via Web Application Container (Tomcat, Jetty)yes infobased on H2Access rights for users, groups and roles infobased on Apache Sentry and Kerberos

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More resources
BlazegraphH2GISImpala
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