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GraalVM — The Game Changer That Transformed Spring Boot Performance

4 min readJul 17, 2026

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GraalVM

Introduction

For many years, Java developers faced two major challenges when building enterprise applications:

  • Slow application startup
  • High memory consumption

These issues became even more noticeable with the rise of Microservices, Cloud Computing, Docker, Kubernetes, and Serverless architectures.

To address these challenges, Oracle introduced GraalVM, a high-performance JDK that significantly improves Java application performance.

With the release of Spring Boot 3 and Spring Framework 6, Spring officially added support for GraalVM Native Images, making Java applications faster and more cloud-friendly than ever before.

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What is GraalVM?

GraalVM is a high-performance Java Development Kit (JDK) developed by Oracle.

Unlike a traditional JDK, GraalVM is not limited to running Java applications. It supports multiple programming languages, including:

  • Java
  • Kotlin
  • Scala
  • JavaScript
  • Python
  • Ruby

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