AWS DynamodB создает таблицу с «по требованию» ProvisionedThroughput

Question

Как я могу создать таблицу DynamoDB с помощью Node SDK и указать «по требованию» в качестве ProvisionedThroughput? Я получаю эту ошибку, когда опускаю опцию ProvisionedThroughput:

ValidationException: One or more parameter values were invalid: ReadCapacityUnits and WriteCapacityUnits must both be specified when BillingMode is PROVISIONED
    at Request.extractError (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/protocol/json.js:51:27)
    at Request.callListeners (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/sequential_executor.js:106:20)
    at Request.emit (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/sequential_executor.js:78:10)
    at Request.emit (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/request.js:683:14)
    at Request.transition (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/request.js:22:10)
    at AcceptorStateMachine.runTo (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/state_machine.js:14:12)
    at /Users/james/projects/ears/server/node_modules/aws-sdk/lib/state_machine.js:26:10
    at Request.<anonymous> (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/request.js:38:9)
    at Request.<anonymous> (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/request.js:685:12)
    at Request.callListeners (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/sequential_executor.js:116:18)
    at Request.emit (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/sequential_executor.js:78:10)
    at Request.emit (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/request.js:683:14)
    at Request.transition (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/request.js:22:10)
    at AcceptorStateMachine.runTo (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/state_machine.js:14:12)
    at /Users/james/projects/ears/server/node_modules/aws-sdk/lib/state_machine.js:26:10
    at Request.<anonymous> (/Users/james/projects/ears/server/node_modules/aws-sdk/lib/request.js:38:9)

Вот мой код, который пытается создать таблицу:

await dynamodb
  .createTable({
    TableName: `${studyName}StudyCodeDB`,
    AttributeDefinitions: [
      {
        AttributeName: 'studyCode',
        AttributeType: 'S',
      },
      {
        AttributeName: 'studyCodeCreationDate',
        AttributeType: 'N',
      },
    ],
    KeySchema: [
      {
        AttributeName: 'studyCode',
        KeyType: 'HASH',
      },
      {
        AttributeName: 'studyCodeCreationDate',
        KeyType: 'RANGE',
      },
    ],
  })
  .promise();

Answer 1

Вы должны установить BillingMode: PAY_PER_REQUEST для пропускной способности по требованию.В противном случае по умолчанию установлено значение PROVISIONED ( документация ).

Ваш код должен выглядеть следующим образом:

await dynamodb
  .createTable({
    TableName: `${studyName}StudyCodeDB`,
    BillingMode: 'PAY_PER_REQUEST',
    AttributeDefinitions: [
      {
        AttributeName: 'studyCode',
        AttributeType: 'S',
      },
      {
        AttributeName: 'studyCodeCreationDate',
        AttributeType: 'N',
      },
    ],
    KeySchema: [
      {
        AttributeName: 'studyCode',
        KeyType: 'HASH',
      },
      {
        AttributeName: 'studyCodeCreationDate',
        KeyType: 'RANGE',
      },
    ],
  })
  .promise();