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DBMS > Amazon DynamoDB vs. RocksDB vs. TerarkDB

System Properties Comparison Amazon DynamoDB vs. RocksDB vs. TerarkDB

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Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonRocksDB  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudEmbeddable persistent key-value store optimized for fast storage (flash and RAM)A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelDocument store
Key-value store
Key-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score79.85
Rank#16  Overall
#2  Document stores
#2  Key-value stores
Score3.70
Rank#88  Overall
#15  Key-value stores
Score0.04
Rank#325  Overall
#50  Key-value stores
Websiteaws.amazon.com/­dynamodbrocksdb.orggithub.com/­Terark/­terarkdb
Technical documentationdocs.aws.amazon.com/­dynamodbgithub.com/­facebook/­rocksdb/­wikigithub.com/­Terark/­terarkdb/­wiki
DeveloperAmazonFacebook, Inc.Terark
Initial release201220132016
Current release6.27.3, December 2021
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationsOpen Source infoBSDcommercial inforestricted open source version available
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.
Implementation languageC++C++
Server operating systemshosted
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnono
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 indexesyesnono
SQL infoSupport of SQLnonono
APIs and other access methodsRESTful HTTP APIC++ API
Java API
C++ API
Java API
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
C++
Java
C++
Java
Server-side scripts infoStored proceduresnonono
Triggersyes infoby integration with AWS Lambdanono
Partitioning methods infoMethods for storing different data on different nodesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnonenone
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
Foreign keys infoReferential integritynonono
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 regionyesno
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.yesyes
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)nono

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More resources
Amazon DynamoDBRocksDBTerarkDB
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Recent citations in the news

Everything You Need to Know About AWS DynamoDB
28 May 2021, hackernoon.com

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

NoSQL Databases are the Problem, Not the Solution
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27 May 2021, TechTarget

Triggering AWS Lambda Events with DynamoDB Integration
28 April 2021, hackernoon.com

provided by Google News

Did Rockset Just Solve Real-Time Analytics?
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5 August 2019, Business Wire

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3 September 2016, Fossbytes

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Understand NVMe 2.0 specification and its related features
4 January 2022, TechTarget

ByteDance eyes big data push with Terark acquisition EJINSIGHT - ejinsight.com
30 April 2019, EJ Insight

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