Ephemeral vs Persistent Data Storage Patterns

  • Storage patterns available with lambda
    • Ephemeral Storage Patterns
    • Persistent Storage Patterns
  • Lambda is stateless
    • Functions are stateless, meaning that you can’t permanently store any data in the function(Example, session data, customer data, etc).
  • Lambda is Ephemeral
    • Not used for applications that need to run for longer than 15 minutes(Example, a database application or a web server That needs to stay up and running).
  • Persisting data
    • To persist data, The function must interact with a data store(Example save it to S3, EFS, Or Dynamo DB).

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