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DBMS > Elasticsearch vs. Kdb+

System Properties Comparison Elasticsearch vs. Kdb+

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Editorial information provided by DB-Engines
NameElasticsearch  Xexclude from comparisonKdb+  Xexclude from comparison
DescriptionA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricHigh performance Time Series DBMS
Primary database modelSearch engineTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score156.00
Rank#8  Overall
#1  Search engines
Score9.12
Rank#53  Overall
#2  Time Series DBMS
Websitewww.elastic.co/­elasticsearchkx.com
Technical documentationwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmlcode.kx.com
DeveloperElasticKx Systems, a division of First Derivatives plc
Initial release20102000 infokdb was released 2000, kdb+ in 2003
Current release7.8.0, June 20203.6, May 2018
License infoCommercial or Open SourceOpen Source infoElastic Licensecommercial infofree 32-bit version
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaq
Server operating systemsAll OS with a Java VMLinux
OS X
Solaris
Windows
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistentyes
Typing infopredefined data types such as float or dateyesyes
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.noyes
Secondary indexesyes infoAll search fields are automatically indexedyes infotable attribute 'grouped'
SQL infoSupport of SQLSQL-like query languageSQL-like query language (q)
APIs and other access methodsJava API
RESTful HTTP/JSON API
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Supported programming languages.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Server-side scripts infoStored proceduresyesuser defined functions
Triggersyes infoby using the 'percolation' featureyes infowith views
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectorno infosimilar paradigm used for internal processing
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationyes
User concepts infoAccess controlrights management via user accounts

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More resources
ElasticsearchKdb+
DB-Engines blog posts

PostgreSQL is the DBMS of the Year 2017
2 January 2018, Paul Andlinger, Matthias Gelbmann

Elasticsearch moved into the top 10 most popular database management systems
3 July 2017, Matthias Gelbmann

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

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Time Series DBMS are the database category with the fastest increase in popularity
4 July 2016, Matthias Gelbmann

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Recent citations in the news

Hackers ransom 1,200 exposed Elasticsearch databases
1 June 2022, TechTarget

Elasticsearch server with no password or encryption leaks a million records
16 June 2022, The Register

How Disney+ Hotstar Simplified Its Data Architecture for Scale
22 June 2022, thenewstack.io

Elastic Launches Elastic Security for Cloud
7 June 2022, Business Wire

AWS Elasticsearch distro stokes open source competitive fires
12 March 2019, TechTarget

provided by Google News

KX Welcomes New Languages to Speedy Analytics Database
2 November 2021, Datanami

The coding language you can learn in months for top finance jobs
26 July 2021, eFinancialCareers

First Derivatives Boosts its KDB+ Software Business with New Acquisition
12 January 2016, Finance Magnates

Pure FlashBlade//S and Evergreen//Flex boost as-a-service push
8 June 2022, ComputerWeekly.com

STAC benchmarks: DDN outpaces WekaIO/AWS and Dell EMC PowerScale – Blocks and Files
11 November 2021, Blocks and Files

provided by Google News

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