[Install] WantedBy=multi-user.target
java -XX:ActiveProcessorCount=2 -jar myapp.jar For large heaps (>8GB), tell the JVM to use Linux's THP: java 17 linux
Then:
# Check if THP is enabled (should be 'always' or 'madvise') cat /sys/kernel/mm/transparent_hugepage/enabled java -XX:+UseTransparentHugePages -jar app.jar Step 5: Running as a Linux Service (systemd) Do not run Java apps with nohup or & . Use a proper systemd unit. [Install] WantedBy=multi-user