semeru-jdk-open@8 ☆
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Description:
Production-ready JDK with the OpenJDK class libraries and the Eclipse OpenJ9 JVM
Type: Cask  |  Latest Version: 8.0.482.1,8u482,b08.1,openj9-0.57.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @IBMCloud  |  formulae.brew.sh
Category: Developer tools
Tags: java jdk semeru openj9 runtime ibm
Install: brew install --cask semeru-jdk-open@8
About:
IBM Semeru Runtime is a production-ready OpenJDK distribution that combines the OpenJDK class libraries with the high-performance Eclipse OpenJ9 JVM. This package provides JDK 8, offering improved startup times and lower memory footprint compared to standard OpenJDK builds. It is fully compatible with Java SE 8 applications while leveraging advanced JIT compilation and garbage collection technologies.
Key Features:
  • Eclipse OpenJ9 JVM for reduced memory footprint
  • Optimized garbage collection and JIT compilation
  • Long-term support (LTS) for Java 8
  • Fully compatible with Java SE 8 standards
  • Production-ready stability and performance
Use Cases:
  • Running enterprise Java 8 applications with optimized resource usage
  • Microservices requiring fast startup times and low memory overhead
  • Legacy Java applications needing a supported runtime environment
Alternatives:
  • openjdk@8 – Standard OpenJDK with HotSpot JVM, higher memory usage but wider ecosystem compatibility
  • temurin – Eclipse Temurin provides OpenJDK builds with HotSpot JVM, community-driven LTS support
Version History
Detected Version Rev Change Commit
Mar 14, 2026 6:03pm 8.0.482.1,8u482,b08.1,openj9-0.57.0 0 VERSION_BUMP 03889b3b
Jan 30, 2026 1:47am 8u482-b08,openj9-0.57.0 0 VERSION_BUMP 38b56876
Aug 5, 2025 7:42am 8u462-b08,openj9-0.53.0 0 VERSION_BUMP fa4561fa
Jul 29, 2025 5:45pm 8u462-b08,openj9-0.53.0 0 VERSION_BUMP 1632ec74
Jun 30, 2024 12:01pm 8u412-b08,openj9-0.44.0 0 VERSION_BUMP 544f4dba
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