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A common use case for AWS Lambda is to integrate with DynamoDB, allowing functions to perform operations on data stored in DynamoDB. An initial solution has been built to measure its initial performance and demonstrate the performance improvements. The system consists of a simple e-commerce solution, compound of three services with functionality which translates in one function for each service.

The most extensively used FaaS service is AWS Lambda, provided by Amazon Web Services. Java is the primary language for 30% of professional developers. The main problem that arises when using these two technologies together is widely known: significant latencies and the dreaded cold start. In this article, various techniques, strategies and approaches will be studied with the aim of reducing the cold start...

I'm facing an issue with my lambda function. When I run it in Postman, the PDF isn't displayed. I've also tried the 'Send and Download' option, but it says the file doesn't have a valid format. Any suggestions? I have an issue with this lambda function: const { PDFDocument } = require('pdf-lib'); exports.getAll = async (req, res) => { try { const htmlContent =...

I'm doing an AWS NodeJS (v18) lambda and am trying to publish a message on a topic. Here's an isolated snippet of what I'm doing: try { //const sns = new SNS(); const snsClient = new SNSClient({ region: process.env.AWS_REGION }); //const topicArn = 'arn:aws:sns:region:account-id:topic-name'; const topicArn = process.env.LABEL_MESSAGES_TOPIC_ARN; // Publish to the SNS Topic console.log('before publish'); console.log('topicArn='+topicArn); /* await publishResponsePromise = sns.publish({ Message: JSON.stringify(My50LineJsonBlock),...