Java Runtime Environment Linux |top| May 2026

sudo pacman -S jre-openjdk wget https://github.com/adoptium/temurin17-binaries/releases/.../OpenJDK17U-jre_x64_linux_hotspot.tar.gz sudo tar -xzf OpenJDK17U-jre_x64_linux_hotspot.tar.gz -C /usr/lib/jvm/ sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-17.0.12+7-jre/bin/java 1 3.3 Managing Multiple JRE Versions Use update-alternatives to switch between JREs:

#!/bin/bash # Measure JRE startup time time java -version # Measure GC performance java -Xms1g -Xmx1g -XX:+PrintGCDetails -jar benchmark.jar java runtime environment linux

sudo apt update sudo apt install openjdk-17-jre-headless # For headless servers sudo apt install openjdk-17-jre # Full desktop support sudo pacman -S jre-openjdk wget https://github

| GC Algorithm | Throughput (ops/sec) | Avg Pause (ms) | Max Pause (ms) | |--------------|----------------------|----------------|----------------| | G1GC (default) | 12,450 | 18 | 45 | | Parallel GC | 14,200 | 62 | 210 | | ZGC (experimental) | 11,980 | 2 | 8 | | Shenandoah | 12,100 | 4 | 15 | 100 | 4 | 15 |