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System AWS DynamoDB Redis DB
 Version released Jan 2012 4
 Drawbacks Very few features when compared to other key-value stores Windows version has limited features
 Advantages Managed Database Service provided by a leading cloud provider Setup is plug and play, Very fast in execution, Present in AWS as a managed service
 Languages Supported Java, Node.js, Go, C# .NET, Perl, PHP, Python, Ruby, Haskell and Erlang. nodejs,java,python,go
 Website aws.amazon.com/­dynamodb www.redis.io
 Name Amazon DynamoDB Redis
 XML Support no no
 JSON Support yes yes
 Brief description Amazon DynamoDB is a fully managed proprietary NoSQL database service that supports key-value and document data structures[2] and is offered by Amazon.com as part of the Amazon Web Services portfolio Redis is an open source (BSD licensed), in-memory data structure store used primarily as a NoSQL database and cache.
 Database Model Key Value Model Key Value NoSQL Model
 Technical Documentation aws.amazon.com/­documentation/­dynamodb redis.io/documentation
 License commercial on aws cloud. Open Source. Commercial version with HA available with redislabs.com
 Cloud-based / SaaS Yes but you can download dynamod db locally as well. Local installation does not have vendor support Virtual Machine Images available in AWS Azure and Google Cloud Marketplace.
 Implementation Language C++ C,C++
 Operating System Supported Linux , OS X, Windows Linux OS X Solaris Windows
 Options for Integration / Access API Rest API Proprietary protocol using JSON
 Consistency Immediate consistency Highly Consistent
 Foreign Keys No No
 Streaming Support No Yes
 Analytics Support NA NA
 Data Storage Schema Key Value Model Key Value NoSQL Model
 Notable Users As per Amazon the solution has been deployed by around 100,000 customers --
 Key Differentiator Amazon allows developers to purchase a service based on throughput, rather than storage. In my View it's the fastest Key Value Store in the Market
 Concurrency Yes Yes
 Partitioning Sharding Yes
 Replication Multi Data Center Replication supported Yes
 Secondary Indexes Yes Yes
 SchemaLess Yes Yes
 SQL Query No No