DBMS > Elasticsearch vs. Kdb+

System Properties Comparison Elasticsearch vs. Kdb+

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Editorial information provided by DB-Engines

Name

Description

A distributed, RESTful modern search and analytics engine based on Apache Lucene

Elasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metric

High performance Time Series DBMS

Primary database model

Search engine

Time Series DBMS

Secondary database models

Document store
Spatial DBMS

Relational DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	156.00
Rank	#8	Overall
	#1	Search engines

Score	9.12
Rank	#53	Overall
	#2	Time Series DBMS

Website

www.elastic.co/elasticsearch

kx.com

Technical documentation

www.elastic.co/guide/en/elasticsearch/reference/current/index.html

code.kx.com

Developer

Elastic

Kx Systems, a division of First Derivatives plc

Initial release

2010

2000

kdb was released 2000, kdb+ in 2003

Current release

7.8.0, June 2020

3.6, May 2018

License

Commercial or Open Source

Open Source

Elastic License

commercial

free 32-bit version

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

Java

Server operating systems

All OS with a Java VM

Linux
OS X
Solaris
Windows

Data scheme

schema-free

Flexible type definitions. Once a type is defined, it is persistent

yes

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

yes

Secondary indexes

yes

All search fields are automatically indexed

yes

table attribute 'grouped'

SQL

Support of SQL

SQL-like query language

SQL-like query language (q)

APIs and other access methods

Java 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

Stored procedures

yes

user defined functions

Triggers

yes

by using the 'percolation' feature

yes

with views

Partitioning methods

Methods for storing different data on different nodes

Sharding

horizontal partitioning

Replication methods

Methods for redundantly storing data on multiple nodes

yes

Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

ES-Hadoop Connector

similar paradigm used for internal processing

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency

Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

Memcached and Redis integration

yes

User concepts

Access control

rights management via user accounts

More information provided by the system vendor

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

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More resources

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

show all

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

show all

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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