The POC to test if the conditional update is meeting the requirement of atomic dynamodb

To test this repository, simply npm install && npm start.

Create your dynamodb demo table User.

{
  UserName: "leonli",
  Password: "dj423j55",
  "SendOut": "false" // the value must be false for the testing purpose
}

Enjoy with your benchmark tool. ab -c 100 -n 200 http://localhost:3000/bool

For more information, please check index.js.