DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > CrateDB vs. etcd vs. Kdb

System Properties Comparison CrateDB vs. etcd vs. Kdb

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCrateDB  Xexclude from comparisonetcd  Xexclude from comparisonKdb  Xexclude from comparison
DescriptionDistributed Database based on LuceneA distributed reliable key-value storeHigh performance Time Series DBMS
Primary database modelDocument store
Time Series DBMS
Key-value storeTime Series DBMS
Secondary database modelsRelational DBMS
Search engine
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.82
Rank#237  Overall
#35  Document stores
#19  Time Series DBMS
Score8.60
Rank#53  Overall
#6  Key-value stores
Score8.03
Rank#55  Overall
#2  Time Series DBMS
Websitecrate.ioetcd.io
github.com/­etcd-io/­etcd
kx.com
Technical documentationcrate.io/­-docsetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
code.kx.com
DeveloperCrateKx Systems, a division of First Derivatives plc
Initial release20132000 infokdb was released 2000, kdb+ in 2003
Current release3.4, August 20193.6, May 2018
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2.0commercial infofree 32-bit version
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
CrateDB Cloud: a distributed SQL database that spreads data and processing across an elastic cluster of shared nothing nodes. CrateDB Cloud enables data insights at scale on Microsoft Azure, AWS and Google Cloud Platform.
Implementation languageJavaGoq
Server operating systemsAll Operating Systems, including Kubernetes with CrateDB Kubernetes Operator supportFreeBSD
Linux
Windows infoexperimental
Linux
OS X
Solaris
Windows
Data schemeFlexible Schema (defined schema, partial schema, schema free)schema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.nonoyes
Secondary indexesyesnoyes infotable attribute 'grouped'
SQL infoSupport of SQLyes, but no triggers and constraints, and PostgreSQL compatibilitynoSQL-like query language (q)
APIs and other access methodsADO.NET
JDBC
ODBC
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
gRPC
JSON over HTTP
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Supported programming languages.NET
Erlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
R
Ruby infocommunity maintained client
Scala infocommunity maintained client
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Server-side scripts infoStored proceduresuser defined functions (Javascript)nouser defined functions
Triggersnoyes, watching key changesyes infowith views
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesConfigurable replication on table/partition-levelUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infosimilar paradigm used for internal processing
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Read-after-write consistency on record level
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infounique row identifiers can be used for implementing an optimistic concurrency control strategynono
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlrights management via user accountsnorights management via user accounts
More information provided by the system vendor
CrateDBetcdKdb
Specific characteristicsCrateDB is an open-source distributed SQL database that spreads data and processing...
» more
Integrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantagesCrateDB is typically used in operational analytics applications. In those scenarios,...
» more
provides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariosCrateDB is ideal for integrating and analyzing streams of data in order to monitor,...
» more
tick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersCrateDB customers include Bitmovin , ALPLA , Gantner Instruments , SPGo! , TGW Logistics...
» more
Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricsThe CrateDB open source project was started in 2013 Honorable Mention in 2021 Gartner®...
» more
kdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsCrateDB Cloud The efficiency & range of CrateDB in the Cloud CrateDB Edge brings...
» more
upon request
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

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

More resources
CrateDBetcdKdb
Conferences and events

How O-CELL real-time monitoring solution helps to reduce the environmental impact of infrastructures with CrateDB
Webinar with Q&A; 5:00 pm - 5:45 pm CET, 5 April 2023

Learn simple No-Code Data Import and Visualization with CrateDB Cloud
Live Demo with Q&A; 4:00 pm - 4:30 pm CET, 27 April 2023

Finished events

Live Demo on Time-series data: from Raw Data to Fast Analysis in only 3 steps
Webinar, 16:00 - 16:45 CET, 22 February 2023 (finished)

Recent citations in the news

Real-Time Analytics Database Company CrateDB Names Lars ...
1 March 2023, businesswire.com

Crate.io Expands CrateDB Cloud with the Launch of CrateDB Edge
15 April 2021, GlobeNewswire

Crate.io extends database service offering to Google Cloud
13 April 2022, VentureBeat

Crate.io raises $10M to grow its database platform
15 June 2021, VentureBeat

Crate.io Brings Power of Industrial SQL Time Series to Azure IoT ...
24 September 2018, businesswire.com

provided by Google News

How does Kubernetes use etcd?
21 November 2022, TechTarget

Zero-Copy In-Memory Sharing of Large Distributed Data: V6d
14 March 2023, InfoQ.com

How Many Nodes for Your Kubernetes Control Plane?
14 September 2022, The New Stack

Locking Down Kubernetes: RBAC, Audit Logs, etcd Security and More
4 January 2023, Security Boulevard

How to restore a Kubernetes cluster from an etcd snapshot
16 December 2021, TechTarget

provided by Google News

KX Winds Up Time-Series Data For Faster Clouds
6 March 2023, Forbes

Stifel taps KX's kdb+ for extreme data volume and velocity use cases
14 December 2022, FinanceFeeds

KX Supports B2C2 for Trading Analytics, Driving Further Innovation ...
28 November 2022, PR Newswire

KX Taps Ex-Google Head of Sales, John Hoffman, as New CRO
23 January 2023, Finance Magnates

KX AND ENTERPRISEWEB ENABLE UNPRECEDENTED ...
17 January 2023, PR Newswire

provided by Google News

Job opportunities

Database Engineer
Alarm.com, Liberty Lake, WA

Database Engineer
OpenEye, Liberty Lake, WA

Sr Cloud Operations Engineer
Aptos, Atlanta, GA

HPC Systems Software Engineer
Lawrence Berkeley National Laboratory, San Francisco Bay Area, CA

Network Software Engineer, Traffic Infrastructure
TikTok, San Jose, CA

Platform Engineer
Object Partners, Minneapolis, MN

Sr. DevOps Engineer
MHS, Atlanta, GA

Network Software Engineer, Traffic Infrastructure- Seattle
TikTok, Seattle, WA

KDB+/Q Engineer
Aretec Inc, Remote

jobs by Indeed



Share this page

Featured Products

Cassandra Forward online event

Want to level up your Cassandra game?
If you missed the event or would like to re-watch a session, replays are available now. Watch now!

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Redis logo

The world’s most loved real‑time data platform.
Try free

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Present your product here