DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Apache Drill vs. etcd vs. eXtremeDB vs. FoundationDB vs. Postgres-XL

System Properties Comparison Apache Drill vs. etcd vs. eXtremeDB vs. FoundationDB vs. Postgres-XL

Editorial information provided by DB-Engines
NameApache Drill  Xexclude from comparisonetcd  Xexclude from comparisoneXtremeDB  Xexclude from comparisonFoundationDB  Xexclude from comparisonPostgres-XL  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionSchema-free SQL Query Engine for Hadoop, NoSQL and Cloud StorageA distributed reliable key-value storeNatively in-memory DBMS with options for persistency, high-availability and clusteringOrdered key-value store. Core features are complimented by layers.Based on PostgreSQL enhanced with MPP and write-scale-out cluster features
Primary database modelDocument store
Relational DBMS
Key-value storeRelational DBMS
Time Series DBMS
Document store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Relational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.74
Rank#105  Overall
#19  Document stores
#54  Relational DBMS
Score10.96
Rank#46  Overall
#5  Key-value stores
Score0.67
Rank#208  Overall
#104  Relational DBMS
#15  Time Series DBMS
Score1.30
Rank#149  Overall
#26  Document stores
#28  Key-value stores
#72  Relational DBMS
Score0.73
Rank#203  Overall
#100  Relational DBMS
Websitedrill.apache.orgetcd.io
github.com/­etcd-io/­etcd
www.mcobject.comwww.foundationdb.orgwww.postgres-xl.org
Technical documentationdrill.apache.org/­docsetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
www.mcobject.com/­docs/­extremedb.htmapple.github.io/­foundationdbwww.postgres-xl.org/­documentation
DeveloperApache Software FoundationMcObjectFoundationDB
Initial release2012200120132014 infosince 2012, originally named StormDB
Current release1.19.0, June 20213.4, August 20198.2, November 20206.2.28, November 202010 R1, October 2018
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoApache Version 2.0commercialOpen Source infoApache 2.0Open Source infoMozilla public license
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC and C++C++C
Server operating systemsLinux
OS X
Windows
FreeBSD
Linux
Windows infoexperimental
AIX
HP-UX
Linux
macOS
Solaris
Windows
Linux
OS X
Windows
Linux
macOS
Data schemeschema-freeschema-freeyesschema-free infosome layers support schemasyes
Typing infopredefined data types such as float or dateyesnoyesno infosome layers support typingyes
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 infosupport of XML interfaces availableyes infoXML type, but no XML query functionality
Secondary indexesnonoyesnoyes
SQL infoSupport of SQLSQL SELECT statement is SQL:2003 compliantnoyes infowith the option: eXtremeSQLsupported in specific SQL layer onlyyes infodistributed, parallel query execution
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
gRPC
JSON over HTTP
.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesC++.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
C
C#
C++
Java
Lua
Python
Scala
.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresuser defined functionsnoyesin SQL-layer onlyuser defined functions
Triggersnoyes, watching key changesyes infoby defining eventsnoyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning / shardingShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Active Replication Fabric™ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyLinearizable consistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesin SQL-layer onlyyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACIDACID infoMVCC
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyes
Durability infoSupport for making data persistentDepending on the underlying data sourceyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Depending on the underlying data sourcenoyesno
User concepts infoAccess controlDepending on the underlying data sourcenonofine grained access rights according to SQL-standard
More information provided by the system vendor
Apache DrilletcdeXtremeDBFoundationDBPostgres-XL
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 30 million devices/applications using the product...
» more
Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
» 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
Apache DrilletcdeXtremeDBFoundationDBPostgres-XL
Recent citations in the news

Apache Drill improves big data SQL query engine
31 August 2021, TechTarget

Apache Drill Poised to Crack Tough Data Challenges
19 May 2015, Datanami

MapR Advances Support for Flexible and High Performance Analytics on JSON and S3 Data with Apache Drill
30 January 2019, Business Wire

Google’s Real Time Big Data Tool Cloned By Apache Drill
17 August 2012, TechCrunch

What is Apache Hadoop? Understanding Hadoop Ecosystem & Architecture | ITBE
9 September 2021, IT Business Edge

provided by Google News

All about performance: etcd 3.5 looks to make Kubernetes users happy • DEVCLASS
17 June 2021, DevClass

Exclusive: SEBI may release consultation paper allowing FPIs in commodity derivatives market
8 December 2021, CNBCTV18

Silver ETFs: Sebi issues final guidelines and here are five things you should know about them
24 November 2021, Moneycontrol.com

Sebi may allow FPIs to participate in commodity derivatives market
10 November 2021, Business Standard

Distributed Key-Value Store etcd Graduates at CNCF
29 November 2020, InfoQ.com

provided by Google News

McObject Collaborates with Wind River to Deliver First-Ever
14 September 2021, GlobeNewswire

insideBIGDATA Latest News – 11/9/2021
9 November 2021, insideBIGDATA

New IoT Product Roundup: Microsoft Launches Azure Arc, Samsung Expands smart energy offerings, and more
18 November 2021, IoT World Today

McObject Announces Immediate Availability Of eXtremeDB/rt For FreeRTOS
4 November 2021, Exchange News Direct

Beta tests for real time in-memory embedded database
4 May 2021, eeNews Europe

provided by Google News

Intel Joins Hands with Snowflake to Improve Clients’ Experience
23 November 2021, Nasdaq

FoundationDB, a very interesting NoSQL database owned by Apple, is now an open-source project
19 April 2018, GeekWire

Apple Acquires Durable Database Company FoundationDB
24 March 2015, TechCrunch

Apple’s FoundationDB open sources the database layer behind CloudKit
14 January 2019, 9to5Mac

FoundationDB's Record Layer Supports Relational Database Semantics, Schema Management and Indexing
10 February 2019, InfoQ.com

provided by Google News

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

When PostgreSQL Doesn't Scale Well Enough
18 April 2016, DZone News

provided by Google News

Job opportunities

Big Data/SQL Developer
LPL Financial, South Carolina

Jr. DevOps Engineer/ Database
OpenVPN Inc., Remote

Software Engineer (Back-end and Full-stack Development)
Concourse Labs, Texas

Senior Architect/Software Engineer (Back-end and Full-stack Development)
Concourse Labs, Texas

Software Engineering Co-Op
Red Hat Software, Remote

5G RAN New HW Integration Developer/ Tester
Mavenir, Richardson, TX

Cloud Platform Engineer-1
PayPal, Chicago, IL

Junior Developer
Paradyme Management, Washington, DC

Agriculture and Education Coordinator - Chugiak, Alaska - Native Village of Eklutna
Alaska Native Tribal Health Consortium, Chugiak, AK

WPF Sr. Engineer
LT Technology Services, Santa Clara, CA

jobs by Indeed



Share this page

Featured Products

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

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

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

AllegroGraph logo

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

Present your product here