AWS Document Database

• Some applications represent the data as JSON document and the populare database for doing that is mongo db
• Amazon Document DB (with Mongo DB Compatibility) is a fast, scalable and highly available and fully managed document database service that supports Mongo DB Workloads
• Amazon Document DB is compatible with Mongo DB 3.6 and 4.0 APIs
• Functional Differences between Document DB and Mongo DB Refer Here
• AWS Document Database has memory optimized and Burstable Performance like RDS instances
• Lets Create a Document Database and explore the options
  
  
  
  
  
• Snapshots can be created manually or enabled automatically by selecting how many of backup needs to be retained
  
  

AWS Key Spaces

• For Cassandra workloads aws has a fully managed service called as AWS Key Spaces
  
  

AWS Elastic Cache

• AWS Elastic Cache is a fully managed service for two cache server offering
  • Elastic Cache for MemCached
  • Elastic Cache for Redis

Exercise:

• Create a pricing estimate for the following (will be waiting till 9:45 AM)
  

Other Databases

• If your application needs a fully managed graph database we can use the AWS Neptune
• For distributed ledger (Block Chain) => QLDB