semeru-jdk-open@25
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Description:
Production-ready JDK with the OpenJDK class libraries and the Eclipse OpenJ9 JVM
Type: Cask  |  Latest Version: 25.0.2,10,openj9-0.57.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @IBMJava  |  formulae.brew.sh
Category: Developer tools
Tags: java jdk openj9 semeru runtime jvm
Install: brew install --cask semeru-jdk-open@25
About:
IBM Semeru Runtime is a production-ready OpenJDK distribution that includes the Eclipse OpenJ9 JVM. This high-performance virtual machine offers significantly lower memory footprint and faster startup times compared to standard HotSpot JVMs. It is optimized for cloud, containerized, and on-premises environments, ensuring reliable Java application execution.
Key Features:
  • Eclipse OpenJ9 JVM for low memory footprint
  • High throughput and fast application startup
  • Long-term support (LTS) stability
  • Comprehensive security patches
Use Cases:
  • Running enterprise Java applications in containerized environments
  • Microservices architecture requiring fast startup times
  • Cloud-native Java development
Alternatives:
  • openjdk – Standard OpenJDK using HotSpot JVM; generally higher memory usage
  • oracle-jdk – Oracle's proprietary JDK distribution with different licensing terms
Version History
Detected Version Rev Change Commit
Jan 30, 2026 7:32pm 25.0.2,10,openj9-0.57.0 0 VERSION_BUMP ed1af9a5