114. What's up with LLRT, AWS' new Lambda Runtime?

In this episode, we discuss the new experimental AWS Lambda LLRT Low Latency runtime for JavaScript. We provide an overview of what a Lambda runtime is and how LLRT aims to optimize cold starts and performance compared to existing runtimes like Node.js. We outline the benefits of LLRT but also highlight concerns around its experimental status, lack of parity with Node.js, and reliance on dependencies like QuickJS. Overall, LLRT shows promise but needs more stability, support, and real-world testing before it can be recommended for production use. In the end, we also have an appeal for AWS itself when it comes to investing in the larger JavaScript ecosystem. 💰 SPONSORS 💰 AWS Bites is brought to you by fourTheorem, the AWS consulting partner with lots of experience with AWS, Serverless, and Lambda. If you are looking for a partner that can help you deliver your next Serverless workload successfully, look no further and reach out to us at ⁠⁠⁠https://fourTheorem.com⁠⁠⁠ In this episode, we mentioned the following resources: Episode 104. "Explaining Lambda Runtimes": https://awsbites.com/104-explaining-lambda-runtimes/ LLRT official repository on GitHub: https://github.com/awslabs/llrt QuickJS official website: https://bellard.org/quickjs/ Lambda performance benchmark by Maxime David: https://maxday.github.io/lambda-perf/ Richard Davidson on GitHub: https://github.com/richarddavison Fabrice Bellard on Wikipedia: https://en.wikipedia.org/wiki/Fabrice_Bellard QuickJS-ng fork: https://github.com/quickjs-ng/quickjs QuickJS issue where users debate whether the project is dead or alive: https://github.com/bellard/quickjs/issues/188 WinterCG initiative: https://wintercg.org/ Do you have any AWS questions you would like us to address? Leave a comment here or connect with us on X, formerly Twitter: - ⁠⁠⁠⁠⁠⁠⁠⁠https://twitter.com/eoins⁠⁠⁠⁠⁠⁠⁠⁠ - ⁠⁠⁠⁠⁠⁠⁠⁠https://twitter.com/loige⁠⁠

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