Tomcat启动优化配置

binyan17

 
# set juli
if [ -r "$CATALINA_HOME"/bin/tomcat-juli.jar ]; then
 
   ### SuSE9-Linux
   v_num=`uname -r| grep '2.6.5'|wc -l`
   v_num=`echo ${v_num}`
   if [ "-${v_num}" = "-1" ] ; then
      JAVA_OPTS="$JAVA_OPTS "-server" "-XX:+UseParallelGC" "-XX:ParallelGCThreads=8" "-XX:NewRatio=16" "-XX:+UseAdaptiveSizePolicy
      JAVA_OPTS="$JAVA_OPTS "-Xms1024m" "-Xmx1024m" "-XX:PermSize=128m" "-XX:MaxPermSize=256m" "-Djava.net.preferIPv4Stack=true
      # gc log
      #JAVA_OPTS="$JAVA_OPTS "-Xloggc:gc.txt
   fi
 
   ### SuSE10-Linux
   v_num=`uname -r| grep '2.6.16'|wc -l`
   v_num=`echo ${v_num}`
   if [ "-${v_num}" = "-1" ] ; then
      JAVA_OPTS="$JAVA_OPTS "-server" "-XX:+UseParallelGC" "-XX:ParallelGCThreads=8" "-XX:NewRatio=16" "-XX:+UseAdaptiveSizePolicy
      JAVA_OPTS="$JAVA_OPTS "-Xms4096m" "-Xmx4096m" "-XX:PermSize=128m" "-XX:MaxPermSize=384m" "-Djava.net.preferIPv4Stack=true
      JAVA_OPTS="$JAVA_OPTS "-Xmn2048m      
      #JAVA_OPTS="$JAVA_OPTS "-Xloggc:gc.txt
 
   fi
 
   ### HP-UX
   if [ "-${OSType}" = "-HP-UX" ] ; then
       JAVA_OPTS="$JAVA_OPTS "-d64
   fi
 
   ### AIX
   if [ "-${OSType}" = "-AIX" ] ; then
      JAVA_OPTS="$JAVA_OPTS "-Xargencoding:utf8"  "-Xms1024m" "-Xmx1024m"  "-Xmn512m" "-Djava.net.preferIPv4Stack=true
      JAVA_OPTS="$JAVA_OPTS "-Dibm.stream.nio=true" "-Dcom.ibm.cacheLocalHost=true
      JAVA_OPTS="$JAVA_OPTS "-Xgcpolicy:gencon" "-Xconcurrentbackground4" "-Xconcurrentlevel2
      # gc log
      #JAVA_OPTS="$JAVA_OPTS "-verbose:gc" "-Xverbosegclog:gc.txt
      #JAVA_OPTS="$JAVA_OPTS "-Xdump:heap
 
      # 2008-11-20 zhuhaibo 
      JAVA_OPTS="$JAVA_OPTS "-Dfile.encoding=GB2312
   fi 
 
  JAVA_OPTS="$JAVA_OPTS "-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
  JAVA_OPTS="$JAVA_OPTS "-Djava.util.logging.config.file=$CATALINA_BASE/conf/logging.properties
  JAVA_OPTS="$JAVA_OPTS "-Dplat.deep=true
 
 
fi
 
 
 
# ----- Execute The Requested Command -----------------------------------------