development

How We Reduced AWS Costs by 40% Using GraalVM and Serverless Java

Welcome to Associative, a software development firm headquartered in Pune, Maharashtra. As a team of dedicated innovators and IT professionals, we are passionate about transforming visionary ideas into scalable digital realities. A major part of that transformation is ensuring our clients' cloud architectures are as cost-effective and performant as possible.

In this technical overview, we share how we tackled the notorious "cold start" problem in cloud computing, successfully reducing AWS costs by 40% using GraalVM and Serverless Java.

The Challenge: Java's Heavy Footprint in the Cloud

Java is a powerhouse for enterprise backend logic—specifically using frameworks like Spring Boot and Jakarta EE. However, when migrating to serverless architectures like AWS Lambda, standard Java Virtual Machines (JVMs) present a significant challenge.

When a serverless function is invoked after a period of inactivity, the standard JVM must spin up, load classes, and perform Just-In-Time (JIT) compilation. This results in slow "cold starts" and high memory consumption. Because AWS bills based on both execution time and memory allocation, these inefficiencies directly translate to higher monthly cloud bills.

The Solution: Enter GraalVM Native Image

To optimize our serverless Java deployments, our Cloud & DevOps team transitioned to GraalVM.

GraalVM is a high-performance JDK distribution that supports Ahead-Of-Time (AOT) compilation. Instead of relying on a traditional JVM at runtime, GraalVM compiles the Java application into a standalone native executable during the build phase.

Lightning-Fast Startup: Native images bypass the need to load a JVM, dropping cold start times from several seconds to milliseconds.
Reduced Memory Footprint: Without the overhead of JVM metadata and JIT compilation, the application requires significantly less RAM to run.
Seamless Integration: We integrated this natively with AWS Lambda and API Gateway, utilizing Docker and our robust Jenkins CI/CD pipelines to automate the builds.

The Result: A 40% Reduction in AWS Costs

By drastically cutting down both the execution duration and the provisioned memory required for our serverless functions, the math worked entirely in our favor. The optimized infrastructure led to a direct 40% reduction in AWS compute costs for the deployment, alongside a vastly improved and responsive user experience.

Partner with Associative for Cloud Optimization

Established on February 1, 2021, and formally registered with the Registrar of Firms (ROF) in Pune, Associative operates with unyielding transparency and regulatory compliance. We utilize a massive landscape of technologies to ensure the right tool is used for every job.

Whether you need advanced cloud optimization, AI/ML integration, or full-stack web development, our accreditations as an Adobe Silver Solution Partner and Official Reseller Partner of Strapi validate our technical expertise.

Our Transparent Engagement Model

Flexible Schedules: We operate Monday through Saturday, offering variable engagement models from 3 to 9 hours per day.
Honest Billing: We operate strictly on a time-and-materials basis with daily, weekly, or milestone-based invoices. You only pay for the work performed.
Strict Confidentiality: We adhere to rigorous NDAs, maintain no public portfolio to protect your IP, and hand over 100% ownership of the source code upon final payment.

Ready to Optimize Your Digital Landscape?

We look forward to bringing your vision to life and ensuring your technology stack is as efficient as possible.

Associative Address: Khandve Complex, Yojana Nagar, Lohegaon - Wagholi Road, Lohegaon, Pune, Maharashtra, India – 411047 Office Hours: 10:00 AM to 8:00 PM WhatsApp: +91 9028850524 Email: info@associative.in

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