jvm优化
来源:互联网 发布:李炎恢javascript源码 编辑:程序博客网 时间:2024/03/29 02:37
一、用JMeter创建100个线程对指定url进行压力测试。初始状态,吞吐量为8.7/s
二、参考java程序性能优化,在tomcat的catalina.bat新增配置。重新设置堆大小和永久区大小、禁用显示GC、去掉类校验、使用并行回收收集器代替串行收集器、使用CMS回收器、设置较大的survivior区,努力将对象预留在新生代、将CMS的Full GC触发的阈值设置为78%,即当老年代使用到78%时,才触发Full GC。吞吐率提高到9.4/s
set CATALINA_OPTS=%CATALINA_OPTS% "-XX:+PrintGCDetails"set CATALINA_OPTS=%CATALINA_OPTS% "-Xmx512M"set CATALINA_OPTS=%CATALINA_OPTS% "-Xms512M"set CATALINA_OPTS=%CATALINA_OPTS% "-XX:PermSize=64M"set CATALINA_OPTS=%CATALINA_OPTS% "-XX:MaxPermSize=64M"set CATALINA_OPTS=%CATALINA_OPTS% "-XX:+DisableExplicitGC"set CATALINA_OPTS=%CATALINA_OPTS% "-Xverify:none"set CATALINA_OPTS=%CATALINA_OPTS% "-XX:+UseConcMarkSweepGC"set CATALINA_OPTS=%CATALINA_OPTS% "-XX:ParallelCMSThreads=8"set CATALINA_OPTS=%CATALINA_OPTS% -XX:+UseCMSCompactAtFullCollectionset CATALINA_OPTS=%CATALINA_OPTS% -XX:CMSFullGCsBeforeCompaction=0set CATALINA_OPTS=%CATALINA_OPTS% -XX:CMSInitiatingOccupancyFraction=78set CATALINA_OPTS=%CATALINA_OPTS% -XX:SoftRefLRUPolicyMSPerMB=0set CATALINA_OPTS=%CATALINA_OPTS% -XX:+CMSParallelRemarkEnabledset CATALINA_OPTS=%CATALINA_OPTS% -XX:SurvivorRatio=1set CATALINA_OPTS=%CATALINA_OPTS% -XX:+UseParNewGC
0 0
- JVM优化
- jvm优化
- jvm优化
- JVM优化
- JVM优化
- JVM 优化
- JVM优化
- JVM优化
- Jvm优化
- JVM优化
- jvm优化
- JVM优化
- JVM - 优化
- JVM优化
- jvm 优化
- jvm优化
- JVM优化
- jvm优化
- 欢迎使用CSDN-markdown编辑器
- 第一天日志
- java判断是否为汉字 和 是否有汉字
- uva 141 The Spot Game
- .NET Framework中定时器timer的单线程与多线程使用讲解
- jvm优化
- WHOJ-1603 Minimum Sum
- maven dependency tree
- hdu5673 Robot
- 一步一步用IDEA创建MAVEN项目
- java 浮点数 运算出错
- JAVA中this用法小结
- java-线程
- poj 1611 The Suspects -- 并查集