Tomcat 7优化

01set JAVA_OPTS=

02-server 

03-Xms1000M 

04-Xmx1000M   #-Xms与-Xmx设成一样的值，避免JVM因为频繁的GC导致性能大起大落

05-Xss512k 

06-XX:+AggressiveOpts 

07-XX:+UseBiasedLocking 

08-XX:PermSize=64M 

09-XX:MaxPermSize=300M 

10-XX:+DisableExplicitGC 

11-XX:MaxTenuringThreshold=31 

12-XX:+UseConcMarkSweepGC 

13-XX:+UseParNewGC  

14-XX:+CMSParallelRemarkEnabled 

15-XX:+UseCMSCompactAtFullCollection 

16-XX:LargePageSizeInBytes=128m  

17-XX:+UseFastAccessorMethods 

18-XX:+UseCMSInitiatingOccupancyOnly 


-Djava.awt.headless=true

修改conf/server.xml文件，把原来

1<Connector port="8080" protocol="HTTP/1.1" />

改成下面的内容

view source

print?

01  <Connector port="8080" protocol="HTTP/1.1"

02           URIEncoding="UTF-8"  

03           minSpareThreads="25" 

04           maxSpareThreads="75"

05           enableLookups="false" 

06           disableUploadTimeout="true" 

07           connectionTimeout="20000"

08           acceptCount="300"   

09           maxThreads="300" 

10           maxProcessors="1000" 

11           minProcessors="5"

12           useURIValidationHack="false"

13           compression="on" 

14           compressionMinSize="2048"

15           compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain"

16           redirectPort="8443"/>