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DBMS > Amazon DynamoDB vs. CockroachDB vs. Memcached

System Properties Comparison Amazon DynamoDB vs. CockroachDB vs. Memcached

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Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonCockroachDB  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.In-memory key-value store, originally intended for caching
Primary database modelDocument store
Key-value store
Relational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score88.35
Rank#15  Overall
#2  Document stores
#2  Key-value stores
Score7.95
Rank#57  Overall
#33  Relational DBMS
Score25.40
Rank#32  Overall
#4  Key-value stores
Websiteaws.amazon.com/­dynamodbwww.cockroachlabs.comwww.memcached.org
Technical documentationdocs.aws.amazon.com/­dynamodbwww.cockroachlabs.com/­docsgithub.com/­memcached/­memcached/­wiki
DeveloperAmazonCockroach LabsDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release201220152003
Current release21.1.2, June 20211.6.15, March 2022
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationsOpen Source infoApache 2.0, commercial license availableOpen Source infoBSD license
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
CockroachDB: A cloud-native, distributed SQL database designed for speed, scale, and survival. Get started for free today with a fully-managed CockroachDB cluster -- leave operations behind and get your app to market faster.
Implementation languageGoC
Server operating systemshostedLinux
macOS
Windows
FreeBSD
Linux
OS X
Unix
Windows
Data schemeschema-freedynamic schemaschema-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.no
Secondary indexesyesyesno
SQL infoSupport of SQLnoyes, wire compatible with PostgreSQLno
APIs and other access methodsRESTful HTTP APIJDBCProprietary protocol
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonono
Triggersyes infoby integration with AWS Lambdanono
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication using RAFTnone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)nono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoACID across one or more tables within a single AWS account and regionACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesno
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 roles can be defined via the AWS Identity and Access Management (IAM)Role-based access controlyes infousing SASL (Simple Authentication and Security Layer) protocol
More information provided by the system vendor
Amazon DynamoDBCockroachDBMemcached
Specific characteristicsCockroachDB is a cloud-native, distributed SQL database architected for modern applications....
» more
Competitive advantages- EFFORTLESS SCALE: Scale your applications, not operational complexity. CockroachDB...
» more
Typical application scenariosSystem of record (financial ledger, inventory management, transaction record), identity...
» more
Key customersComcast, DoorDash, Mythical Games, Norfolk Southern, LUSH, Bose, Shipt, Bitski, Five9,...
» more
Market metrics8K+ long-running clusters 2.5K+ CockroachDB Self-Hosted clusters 15K+ CockroachDB...
» more
Licensing and pricing models- Apache 2.0 for core features released up to and including the 19.1 release - Time-limited...
» more

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More resources
Amazon DynamoDBCockroachDBMemcached
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Recent citations in the news

How to Manage Your Asynchronous API With DynamoDB Streams
14 June 2022, Built In

Database performance at any scale
6 July 2022, The Register

DynamoDB’s co-creator reflects on the database’s birthday and how cloud is driving a machine learning future
15 February 2022, SiliconANGLE News

Migrate to Astra DB for a cloud-agnostic, developer-friendly DBaaS and get more capabilities at a lower TCO -- ADTmag
9 September 2022, ADT Magazine

Clumio Protect releases turnkey ransomware protection solution for Amazon DynamoDB
12 April 2022, VentureBeat

provided by Google News

CockroachDB Serverless Now Generally Available
29 September 2022, InfoQ.com

Cockroach Labs debuts serverless edition of its popular CockroachDB database
21 September 2022, SiliconANGLE News

CockroachDB adds command line tool as database hits version 22.1
24 May 2022, The Register

CockroachDB database creator Cockroach Labs raises $278M
16 December 2021, VentureBeat

CockroachDB version 21.1 simplifies distributed SQL database
20 May 2021, TechTarget

provided by Google News

How Pinterest Tuned Memcached for Big Performance Gains
16 May 2022, thenewstack.io

How to install Memcached on Ubuntu 22.04 LTS Server
27 August 2022, Linux Shout

Business email platform Zimbra patches memcached injection flaw that imperils user credentials
16 June 2022, The Daily Swig

Is a Rust Rewrite Really Worth It?
19 September 2022, thenewstack.io

Google Releases Memorystore for Memcached into General Availability
9 March 2021, InfoQ.com

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