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DBMS > GeoMesa vs. Impala vs. JSqlDb vs. LokiJS

System Properties Comparison GeoMesa vs. Impala vs. JSqlDb vs. LokiJS

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Editorial information provided by DB-Engines
NameGeoMesa  Xexclude from comparisonImpala  Xexclude from comparisonJSqlDb  Xexclude from comparisonLokiJS  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.Analytic DBMS for HadoopJavaScript Query Language Database, stores JavaScript objects and primitivesIn-memory JavaScript DBMS
Primary database modelSpatial DBMSRelational DBMSDocument store
Object oriented DBMS
Document store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.80
Rank#200  Overall
#4  Spatial DBMS
Score17.55
Rank#40  Overall
#25  Relational DBMS
Score0.53
Rank#240  Overall
#38  Document stores
Websitewww.geomesa.orgwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmljsqldb.org (offline)github.com/­techfort/­LokiJS
Technical documentationwww.geomesa.org/­documentation/­stable/­user/­index.htmldocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmltechfort.github.io/­LokiJS
DeveloperCCRi and othersClouderaKonrad von Backstrom
Initial release2014201320182014
Current release3.2.0, April 20214.0.0, July 20210.8, December 2018
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open Source infoApache Version 2Open SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageScalaC++JavaScript
Server operating systemsLinuxLinux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnono
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.nononono
Secondary indexesyesyesnoyes infovia views
SQL infoSupport of SQLnoSQL-like DML and DDL statementsnono
APIs and other access methodsJDBC
ODBC
JavaScript API
Supported programming languagesAll languages supporting JDBC/ODBCJavaScriptJavaScript
Server-side scripts infoStored proceduresnoyes infouser defined functions and integration of map-reducefunctions in JavaScriptView functions in JavaScript
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesdepending on storage layerShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesdepending on storage layerselectable replication factornonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infoquery execution via MapReducenoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemdepending on storage layerEventual Consistencynone
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes infousing RocksDByes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.depending on storage layernoyes
User concepts infoAccess controlyes infodepending on the DBMS used for storageAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosno

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More resources
GeoMesaImpalaJSqlDbLokiJS
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