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

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

Editorial information provided by DB-Engines
NameApache Impala  Xexclude from comparisonGeoMesa  Xexclude from comparisonJSqlDb  Xexclude from comparisonLokiJS  Xexclude from comparisonSplunk  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionAnalytic DBMS for HadoopGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.JavaScript Query Language Database, stores JavaScript objects and primitivesIn-memory JavaScript DBMSAnalytics Platform for Big Data
Primary database modelRelational DBMSSpatial DBMSDocument store
Object oriented DBMS
Document storeSearch engine
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score14.03
Rank#40  Overall
#24  Relational DBMS
Score0.81
Rank#214  Overall
#4  Spatial DBMS
Score0.48
Rank#262  Overall
#42  Document stores
Score88.71
Rank#14  Overall
#2  Search engines
Websiteimpala.apache.orgwww.geomesa.orgjsqldb.org (offline)github.com/­techfort/­LokiJSwww.splunk.com
Technical documentationimpala.apache.org/­impala-docs.htmlwww.geomesa.org/­documentation/­stable/­user/­index.htmltechfort.github.io/­LokiJSdocs.splunk.com/­Documentation/­Splunk
DeveloperApache Software Foundation infoApache top-level project, originally developed by ClouderaCCRi and othersKonrad von BackstromSplunk Inc.
Initial release20132014201820142003
Current release4.1.0, June 20224.0.5, February 20240.8, December 2018
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoApache License 2.0Open SourceOpen Sourcecommercial infoLimited free edition and free developer edition available
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 languageC++ScalaJavaScript
Server operating systemsLinuxLinux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Solaris
Windows
Data schemeyesyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesnonoyes
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.nonononoyes
Secondary indexesyesyesnoyes infovia viewsyes
SQL infoSupport of SQLSQL-like DML and DDL statementsnononono infoSplunk Search Processing Language for search commands
APIs and other access methodsJDBC
ODBC
JavaScript APIHTTP REST
Supported programming languagesAll languages supporting JDBC/ODBCJavaScriptJavaScriptC#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresyes infouser defined functions and integration of map-reducenofunctions in JavaScriptView functions in JavaScriptyes
Triggersnononoyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingdepending on storage layernonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factordepending on storage layernonenoneMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoquery execution via MapReduceyesnoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistencydepending on storage layernoneEventual Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single collection possibleno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nodepending on storage layeryesno
User concepts infoAccess controlAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosyes infodepending on the DBMS used for storagenoAccess rights for users and roles

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More resources
Apache ImpalaGeoMesaJSqlDbLokiJSSplunk
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Recent citations in the news

Apache Impala becomes Top-Level Project
28 November 2017, SDTimes.com

Cloudera Bringing Impala to AWS Cloud
28 November 2017, Datanami

Apache Doris just 'graduated': Why care about this SQL data warehouse
24 June 2022, InfoWorld

Hudi: Uber Engineering’s Incremental Processing Framework on Apache Hadoop
12 March 2017, Uber

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