loopinsert2.js

var AWS = require("aws-sdk");

AWS.config.update({
    region: 'ap-south-1',
    accessKeyId: 'AKIA3KZVSRWDBU2FCXN2',
    secretAccessKey: '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',
    endpoint: new AWS.Endpoint('dynamodb.ap-south-1.amazonaws.com'),
});

var docClient = new AWS.DynamoDB.DocumentClient();

var start = new Date().getTime();
console.log('start time', start);

for (i = 10001; i <= 20000; i++) {
    var table = "PanelDynamo";
    var params = {
        TableName: table,
        Item: {
            "appId": "5dbff7692b527f00100a014d",
            "appIdid": i,
            "appUserId": "19b42322b551a9f985a32758",
            "appUserIdid": i,
            "notificationId": "a925f60e-21b8-4382-a4f2-51a2a86efe67",
            "destinationId": "919744695571",
            "destinationIdid": i,
            "read": "Read",
            "delivered": "Delivered",
            "date": new Date().getTime()

        }
    }

    // console.log("Adding a new item...");
    const insertingTime = new Date().getTime();
    const insDiff = insertingTime - start
    console.log('Inserting difference', insDiff)

    docClient.put(params, function (err, data) {
        if (err) {
            console.error("Unable to add item. Error JSON:", JSON.stringify(err, null, 2));
        } else {
            console.log("Added item:", JSON.stringify(data, null, 2));
            const insertedTime = new Date().getTime();
            const diff = insertedTime - start
            console.log('Inserted difference', diff)
        }
    });

}

// var end = new Date().getTime();
// console.log(end)
// var time = 1642071743597 - 1642071739847;

// console.log('Execution time: ' + time);