tomcat优化总结【持续更新】

配置优化

 <Connector port=""  connectionTimeout=""
               maxThreads=""  minSpareThread="" acceptCount=""  URIEncoding="UTF-8"
               maxKeepAliveRequests="" keepAliveTimeout=""  maxConnections=""
               enableLookups="false"
               redirectPort="" protocol="org.apache.coyote.http11.Http11NioProtocol" />

JVM调优参数

JVM调优参数：

-Xms4096M

-Xmx4096M

-Xss512k

-XX:NewSize=2250M

-XX:MaxNewSize=2250M

-XX:MetaspaceSize=512m

-XX:MaxMetaspaceSize=1024m

-XX:+AggressiveOpts

-XX:+UseBiasedLocking

-XX:+DisableExplicitGC

-XX:+UseParNewGC

-XX:+UseConcMarkSweepGC

-XX:+CMSParallelRemarkEnabled

-XX:LargePageSizeInBytes=128m

-XX:+UseFastAccessorMethods

-XX:+UseCMSInitiatingOccupancyOnly

-Duser.timezone=Asia/Shanghai

-Djava.awt.headless=true"

系统调优参数

最大文件描述符的数量：

net.ipv4.tcp_max_tw_buckets = 

net.ipv4.tcp_tw_recycle = 

net.ipv4.tcp_tw_reuse = 

net.ipv4.tcp_syncookies = 

net.ipv4.tcp_fin_timeout = 

net.ipv4.tcp_max_syn_backlog = 

net.ipv4.tcp_synack_retries = 

net.ipv4.tcp_keepalive_intvl = 

net.ipv4.tcp_keepalive_probes = 

net.ipv4.tcp_keepalive_time = 

net.ipv4.ip_local_port_range =