[root@*** ec2-user]# cd Ddbtest/
[root@*** Ddbtest]# npm install
npm WARN saveError ENOENT: no such file or directory, open '/home/ec2-user/Ddbtest/package.json'
npm WARN enoent ENOENT: no such file or directory, open '/home/ec2-user/Ddbtest/package.json'
npm WARN Ddbtest No description
npm WARN Ddbtest No repository field.
npm WARN Ddbtest No README data
npm WARN Ddbtest No license field.

up to date in 0.235s

AWS.config.update({
  region: "us-west-2"
});

root@ip-172-31-17-57 Ddbtest]# node MoviesCreateTable.js
Created table. Table description JSON: {
  "TableDescription": {
    "AttributeDefinitions": [
      {
        "AttributeName": "title",
        "AttributeType": "S"
      },
      {
        "AttributeName": "year",
        "AttributeType": "N"
      }
    ],
    "TableName": "Movies",
    "KeySchema": [
      {
        "AttributeName": "year",
        "KeyType": "HASH"
      },
      {
        "AttributeName": "title",
        "KeyType": "RANGE"
      }
    ],
    "TableStatus": "CREATING",
    "CreationDateTime": "2018-07-14T07:02:05.556Z",
    "ProvisionedThroughput": {
      "NumberOfDecreasesToday": 0,
      "ReadCapacityUnits": 10,
      "WriteCapacityUnits": 10
    },
    "TableSizeBytes": 0,
    "ItemCount": 0,
    "TableArn": "arn:aws:dynamodb:us-west-2:269562551342:table/Movies",
    "TableId": "0f52c126-9400-4b71-a4ea-5c67894be424"
  }
}

[root@ip-172-31-17-57 Ddbtest]# node loadDataConcurrent.js
Importing movies into DynamoDB. Please wait.
? please input desired test concurrency : 1000
? please input desired test time by Seconds : (50000) 1000000