Slow-DynamoDB-Put-On-AWS-Lambda

const AWS = require('aws-sdk');
const dynamodb = new AWS.DynamoDB();

exports.hello = async (event, context) => {
  const promises = [];
  for (let i = 0; i < 1000; i++) {
    const params = {
        TableName: 'books',
        Item: {
            'id': {S: i.toString()},
            'name': {S: `Book-${i}`}
        }
    };
    const promise = dynamodb.putItem(params).promise();
    promises.push(promise);
  }
  return Promise.all(promises);
});