tomcat启动内存修改

#   USE_NOHUP       (Optional) If set to the string true the start command will

#                   use nohup so that the Tomcat process will ignore any hangup

#                   signals. Default is "false" unless running on HP-UX in which

#                   case the default is "true"

# -----------------------------------------------------------------------------

JAVA_OPTS='-Xms256m -Xmx256m'

# OS specific support.  $var _must_ be set to either true or false.

cygwin=false

darwin=false

os400=false

hpux=false

case "`uname`" in

CYGWIN*) cygwin=true;;

JAVA_OPTS='-Xms512m -Xmx1024m

linux 下调整tomcat的内存设置
修改bin目录下catalina.sh文件
在cygwin=false之上
添加以下语句
JAVA_OPTS="-Xms1024m -Xmx4096m -Xss1024K -XX:PermSize=512m -XX:MaxPermSize=2048m"
其中-xms为jvm初始化堆的大小，-xmx为jvm堆的最大值