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DBMS > CrateDB vs. etcd vs. FeatureBase

System Properties Comparison CrateDB vs. etcd vs. FeatureBase

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Editorial information provided by DB-Engines
NameCrateDB  Xexclude from comparisonetcd  Xexclude from comparisonFeatureBase  Xexclude from comparison
DescriptionDistributed Database based on LuceneA distributed reliable key-value storeReal-time database platform that powers real-time analytics and machine learning applications by simultaneously executing low-latency, high-throughput, and highly concurrent workloads.
Primary database modelDocument store
Time Series DBMS
Key-value storeRelational DBMS
Secondary database modelsRelational DBMS
Search engine
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
Score0.39
Rank#295  Overall
#136  Relational DBMS
Websitecrate.ioetcd.io
github.com/­etcd-io/­etcd
www.molecula.com
Technical documentationcrate.io/­-docsetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
docs.molecula.cloud
DeveloperCrateMolecula and Pilosa Open Source Contributors
Initial release20132017
Current release3.4, August 20192022, May 2022
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2.0commercial
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 languageJavaGoGo
Server operating systemsAll Operating Systems, including Kubernetes with CrateDB Kubernetes Operator supportFreeBSD
Linux
Windows infoexperimental
Linux
macOS
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.nonono
Secondary indexesyesnono
SQL infoSupport of SQLyes, but no triggers and constraints, and PostgreSQL compatibilitynoSQL queries
APIs and other access methodsADO.NET
JDBC
ODBC
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
gRPC
JSON over HTTP
gRPC
JDBC
Kafka Connector
ODBC
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
Java
Python
Server-side scripts infoStored proceduresuser defined functions (Javascript)no
Triggersnoyes, watching key changesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
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.yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Read-after-write consistency on record level
Immediate 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 strategynoyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes, using Linux fsync
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 accountsno
More information provided by the system vendor
CrateDBetcdFeatureBase
Specific characteristicsCrateDB is an open-source distributed SQL database that spreads data and processing...
» more
Competitive advantagesCrateDB is typically used in operational analytics applications. In those scenarios,...
» more
Typical application scenariosCrateDB is ideal for integrating and analyzing streams of data in order to monitor,...
» more
Key customersCrateDB customers include Bitmovin , ALPLA , Gantner Instruments , SPGo! , TGW Logistics...
» more
Market metricsThe CrateDB open source project was started in 2013 Honorable Mention in 2021 Gartner®...
» more
Licensing and pricing modelsCrateDB Cloud The efficiency & range of CrateDB in the Cloud CrateDB Edge brings...
» more

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

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More resources
CrateDBetcdFeatureBase
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 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

CrateDB packs NoSQL flexibility, SQL familiarity
19 December 2016, InfoWorld

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

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

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

provided by Google News

Funding wrap: H.O. Maycotte's Molecula raises $10M, rebrands; UT ...
12 September 2022, The Business Journals

Austin Inno - Austin Inno Madness: The championship matchup
3 March 2022, The Business Journals

The insideBIGDATA IMPACT 50 List for Q1 2023
17 January 2023, insideBIGDATA

Get Your Infrastructure Ready for Real-Time Analytics
8 March 2022, Built In

What Is a Structured Interview? Definition & Examples.
15 July 2022, Built In

provided by Google News

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