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DBMS > Amazon DocumentDB vs. Amazon DynamoDB vs. etcd

System Properties Comparison Amazon DocumentDB vs. Amazon DynamoDB vs. etcd

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Editorial information provided by DB-Engines
NameAmazon DocumentDB  Xexclude from comparisonAmazon DynamoDB  Xexclude from comparisonetcd  Xexclude from comparison
DescriptionFast, scalable, highly available, and fully managed MongoDB-compatible database serviceHosted, scalable database service by Amazon with the data stored in Amazons cloudA distributed reliable key-value store
Primary database modelDocument storeDocument store
Key-value store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.43
Rank#143  Overall
#23  Document stores
Score76.93
Rank#16  Overall
#2  Document stores
#2  Key-value stores
Score10.32
Rank#46  Overall
#5  Key-value stores
Websiteaws.amazon.com/­documentdbaws.amazon.com/­dynamodbetcd.io
github.com/­etcd-io/­etcd
Technical documentationaws.amazon.com/­documentdb/­resourcesdocs.aws.amazon.com/­dynamodbetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
DeveloperAmazon
Initial release20192012
Current release3.4, August 2019
License infoCommercial or Open Sourcecommercialcommercial infofree tier for a limited amount of database operationsOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGo
Server operating systemshostedhostedFreeBSD
Linux
Windows infoexperimental
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesno
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.nono
Secondary indexesyesyesno
SQL infoSupport of SQLnonono
APIs and other access methodsproprietary protocol using JSON (MongoDB compatible)RESTful HTTP APIgRPC
JSON over HTTP
Supported programming languagesGo
Java
JavaScript (Node.js)
PHP
Python
.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
Server-side scripts infoStored proceduresnonono
Triggersnoyes infoby integration with AWS Lambdayes, watching key changes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-availability zones for high availability, asynchronous replication for up to 15 read replicasyesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)no infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)no
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate Consistency
Foreign keys infoReferential integrityno infotypically not used, however similar functionality with DBRef possiblenono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic single-document operationsACID infoACID across one or more tables within a single AWS account and regionno
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.no
User concepts infoAccess controlAccess rights for users and rolesAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)no

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More resources
Amazon DocumentDBAmazon DynamoDBetcd
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Recent citations in the news

Amazon DocumentDB adds Global Clusters
2 June 2021, ZDNet

Amazon Adds Global Clusters to DocumentDB
9 June 2021, InfoQ.com

Introduction to Amazon DocumentDB With MongoDB Compatibility
19 October 2020, AiThority

AWS Announces Amazon DocumentDB (with MongoDB Compatibility)
9 January 2019, Business Wire

MongoDB, Inc. (MDB) Management Presents at Piper Sandler 2021 Virtual Global Technology Conference (Transcript)
13 September 2021, Seeking Alpha

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Technological Advancements to aid Growth of NoSQL Database Market during 2027 | DynamoDB, ObjectLabs Corporation, Skyll, MarkLogic – Bulk Solids Handling
21 September 2021, Bulk Solids Handling

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21 September 2021, Solutions Review

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21 September 2021, PRNewswire

Dynatrace : Analyze AWS applications end to end with Dynatrace using AWS Distro for OpenTelemetry
23 September 2021, Marketscreener.com

A better way to query DynamoDB data with SQL
10 March 2021, TechTarget

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Dynatrace : Keeping an eye on your control plane is critical to ensuring the high availability and health of your self-managed OpenShift Container Platform
22 September 2021, Marketscreener.com

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

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

Global Service Discovery Software Market 2021 Share, Size Global Key Trends, Industry Demand, Key Findings, Regional Analysis, Growth Factors , Key Players Profiles, Future Prospects and Forecasts to 2025 – Stillwater Current
22 September 2021, Stillwater Current

Prioritizing Backup as Container Use Rises
20 September 2021, Container Journal

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