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DBMS > Kdb+ vs. Redis

System Properties Comparison Kdb+ vs. Redis

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Editorial information provided by DB-Engines
NameKdb+  Xexclude from comparisonRedis  Xexclude from comparison
DescriptionHigh performance Time Series DBMSIn-memory data structure store, used as database, cache and message broker infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.
Primary database modelTime Series DBMSKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistence
Secondary database modelsRelational DBMSDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.80
Rank#54  Overall
#2  Time Series DBMS
Score146.13
Rank#8  Overall
#1  Key-value stores
Websitekx.comredis.io
Technical documentationcode.kx.comredis.io/­documentation
DeveloperKx Systems, a division of First Derivatives plcSalvatore Sanfilippo infoDevelopment sponsored by Redis Labs
Initial release2000 infokdb was released 2000, kdb+ in 20032009
Current release3.6, May 20185.0.5, May 2019
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoBSD 3-Clause, commercial license available
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 languageqC
Server operating systemsLinux
OS X
Solaris
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes
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.yesno
Secondary indexesyes infotable attribute 'grouped'yes infowith RediSearch module
SQL infoSupport of SQLSQL-like query language (q)no
APIs and other access methodsHTTP API
Jupyter
Kafka
WebSocket
JDBC
ODBC
proprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
Server-side scripts infoStored proceduresuser defined functionsLua
Triggersyes infowith viewsno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationMaster-slave replication infoChained replication is supported
Multi-master replication infowith Redis Enterprise Pack
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyStrong eventual consistency with CRDTs
Eventual Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoOptimistic locking, atomic execution of commands blocks and scripts
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logs
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlrights management via user accountsSimple password-based access control infoAccess control lists and SSL are available in the commercial version
More information provided by the system vendor
Kdb+Redis
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
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Redis, benchmarked as the world's fastest database, reduces application complexity,...
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Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
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Redis is an in-memory database platform offering native support of wide range of...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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Redis powers personalization, real-time fraud detection, IoT, e-commerce, real-time...
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Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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Verizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...
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Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
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Licensing and pricing modelsupon request
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The licensing model is subscription based. Redis Enterprise Cloud is priced according...
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Related products and services
3rd partiesScaleGrid: Fully managed Redis-as-a-Service in the cloud.
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more

Redis Labs is the open source home and the provider of enterprise-class Redis.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Kdb+Redis
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Recent citations in the news

Penguin Computing Breaks STAC-M3 Performance Records with WekaIO
11 June 2019, insideHPC

It’s About Time For Time Series Databases
25 January 2018, The Next Platform

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10 July 2018, SETI Institute

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At Kx Systems Big Data Is Old News
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