jvm tomcat 服务器配置

jvm-tomcat.con

安装软件

    jdk

    jdk版本： jdk-8u171-linux-x64.tar.gz
    #安装路径：
    tar -zxf jdk-8u171-linux-x64.tar.gz
    ln -s /app/java/jdk1.8.0_171 /app/java/default
    #设置环境变量
    vim ~/.bash_profile
    #末尾添加
    export JAVA_HOME=/app/java/default
    export PATH=$PATH:$JAVA_HOME/bin
    export PATH JAVA_HOME
    #刷新配置
    source ~/.bash_profile

    应用安装

    /app/projectName/bin
    /app/projectName/logs
    /app/projectName/jar
    /app/projectName/data
    /app/projectName/conf

操作系统初始化配置(默认不用配置，特殊情况请联系架构组进行调整操作系统参数)

  1、禁用虚拟内存 swap
  2、max open files=65530
  3、max user processes=65530
  4、vm.max_map_count=65530


tomcat初始化配置

server:
  port: 8080 # tomcat端口号
  tomcat:
    uri-encoding: UTF-8 # tomcat编码
    accept-count: 1000
    max-connections: 2000
    max-threads: 1000
    min-spare-threads: 10
  connection-timeout:
    60000
  compression:
    enabled: true
  servlet:
    path: /projectName
    session:
      timeout: 600

jvm初始化配置

JAVA_OPTS="-XX:-PrintGC -XX:-PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Xloggc:/app/projectName/logs/gc.log"
JAVA_OPTS="-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/app/projectName/logs/dump"
JAVA_OPTS="$JAVA_OPTS -Dsun.jnu.encoding=UTF-8 -Dfile.encoding=UTF-8"
JAVA_OPTS="$JAVA_OPTS -server -XX:+Inline -XX:+TieredCompilation -XX:CompileThreshold=1000 -XX:ReservedCodeCacheSize=256M"
JAVA_OPTS="$JAVA_OPTS -Xms1g -Xmx4g -XX:NewSize500m -XX:MaxNewSize1500m -XX:NewRatio=2 -XX:SurvivorRatio=8 -XX:InitialSurvivorRatio=8"
JAVA_OPTS="$JAVA_OPTS -XX:+UseParNewGC -XX:MaxTenuringThreshold=6 -XX:+AlwaysPreTouch -XX:ParallelGCThreads=4"
JAVA_OPTS="$JAVA_OPTS -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+ParallelRefProcEnabled -XX:CMSInitiatingOccupancyFraction=70 -XX:+UseCMSInitiatingOccupancyOnly -XX:+UseCMSCompactAtFullCollection -XX:CMSFullGCsBeforeCompaction=3 -XX:+UseFastAccessorMethods"
JAVA_OPTS="$JAVA_OPTS -Xss256k"
#JAVA_OPTS="$JAVA_OPTS -agentpath:/app/jprofiler9/bin/linux-x64/libjprofilerti.so=port=8849,nowait"