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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:
Observation: For low-latency applications on Linux, ZGC or Shenandoah with large heaps (>8 GB) is recommended. | Platform | JRE Startup Time | Throughput (relative) | Memory Footprint | |----------|------------------|------------------------|------------------| | Intel Xeon (x86_64) | 0.8 s | 1.00 | 512 MB | | AMD EPYC (x86_64) | 0.9 s | 1.02 | 510 MB | | AWS Graviton 3 (ARM64) | 0.7 s | 0.95 | 505 MB | | Raspberry Pi 4 (ARM64) | 2.1 s | 0.42 | 380 MB |
#!/bin/bash # Measure JRE startup time time java -version # Measure GC performance java -Xms1g -Xmx1g -XX:+PrintGCDetails -jar benchmark.jar
Unlike Windows or macOS, Linux environments vary widely—from minimal headless servers to full-featured desktop distributions. This variability demands a nuanced understanding of JRE deployment. Furthermore, the shift from Oracle’s proprietary JRE to open-source OpenJDK has redefined licensing and distribution on Linux.
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:
Observation: For low-latency applications on Linux, ZGC or Shenandoah with large heaps (>8 GB) is recommended. | Platform | JRE Startup Time | Throughput (relative) | Memory Footprint | |----------|------------------|------------------------|------------------| | Intel Xeon (x86_64) | 0.8 s | 1.00 | 512 MB | | AMD EPYC (x86_64) | 0.9 s | 1.02 | 510 MB | | AWS Graviton 3 (ARM64) | 0.7 s | 0.95 | 505 MB | | Raspberry Pi 4 (ARM64) | 2.1 s | 0.42 | 380 MB |
#!/bin/bash # Measure JRE startup time time java -version # Measure GC performance java -Xms1g -Xmx1g -XX:+PrintGCDetails -jar benchmark.jar
Unlike Windows or macOS, Linux environments vary widely—from minimal headless servers to full-featured desktop distributions. This variability demands a nuanced understanding of JRE deployment. Furthermore, the shift from Oracle’s proprietary JRE to open-source OpenJDK has redefined licensing and distribution on Linux.
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