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    3. JVM调优模板

    JVM调优模板

    技术2025-12-16  11

    linux启动jar项目并设置参数

    nohup java -server -XX:NewSize=100M -XX:MaxNewSize=100M -XX:InitialHeapSize=200M -XX:MaxHeapSize=200M -XX:SurvivorRatio=8 -XX:PretenureSizeThreshold=10M -XX:MaxTenuringThreshold=15 -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:gc.log -jar Demo.jar 2>&1 &

    脚本添加JVM参数

    JAVA_OPTS=""

    最终模板：

    -Xms4096m -Xmx4096m -Xmn3072m -Xss1m -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=256m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=92 -XX:+UseCMSCompactAtFullCollection -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSFullGCsBeforeCompaction=0 -XX:+CMSParallelInitialMarkEnabled -XX:+CMSParallelRemarkEnabled -XX:+CMSScavengeBeforeRemark -XX:+DisableExplicitGC -XX:+PrintGCDetails -Xloggc:gc.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/usr/local/app/oom
    Processed: 0.014, SQL: 9