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DBMS > H2GIS vs. Impala vs. Memcached

System Properties Comparison H2GIS vs. Impala vs. Memcached

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonImpala  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionSpatial extension of H2Analytic DBMS for HadoopIn-memory key-value store, originally intended for caching
Primary database modelSpatial DBMSRelational DBMSKey-value store
Secondary database modelsRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.03
Rank#341  Overall
#4  Spatial DBMS
Score17.79
Rank#40  Overall
#25  Relational DBMS
Score24.56
Rank#33  Overall
#4  Key-value stores
Websitewww.h2gis.orgwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmlwww.memcached.org
Technical documentationwww.h2gis.org/­docs/­homedocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmlgithub.com/­memcached/­memcached/­wiki
DeveloperCNRSClouderaDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release201320132003
Current release4.0.0, July 20211.6.15, March 2022
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open Source infoApache Version 2Open Source infoBSD license
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++C
Server operating systemsLinuxFreeBSD
Linux
OS X
Unix
Windows
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesno
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 indexesyesyesno
SQL infoSupport of SQLyesSQL-like DML and DDL statementsno
APIs and other access methodsJDBC
ODBC
Proprietary protocol
Supported programming languagesJavaAll languages supporting JDBC/ODBC.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyes infobased on H2yes infouser defined functions and integration of map-reduceno
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2selectable replication factornone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoquery execution via MapReduceno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlyes infobased on H2Access rights for users, groups and roles infobased on Apache Sentry and Kerberosyes infousing SASL (Simple Authentication and Security Layer) protocol

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H2GISImpalaMemcached
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