安装apr来提高tomcat 的可伸缩性和性能

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一，下载apr 和 apr-util最新版
[iyunv@tomcat tomcat]# cd /usr/local/

[iyunv@tomcat tomcat]# wget  http://mirrors.cnnic.cn/apache//apr/apr-1.5.2.tar.gz

[iyunv@tomcat tomcat]# wget http://mirrors.cnnic.cn/apache//apr/apr-util-1.5.4.tar.gz

二，解压文件

[iyunv@tomcat tomcat]#tar -zxvf apr-1.5.2.tar.gz

[iyunv@tomcat tomcat]#tar -zxvf apr-util-1.5.4.tar.gz

三，安装apr和apr-util

[iyunv@tomcat tomcat]# cd apr-1.5.2
[iyunv@tomcat tomcat]#  ./configure --prefix=/usr/local/apr
[iyunv@tomcat tomcat]# make && make install
[iyunv@tomcat tomcat]# cd .. && cd apr-util-1.5.4
[iyunv@tomcat tomcat]#  ./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr
[iyunv@tomcat tomcat]#   make && make install


四，安装 tomcat-native  

[iyunv@tomcat src]#  wget   http://apache.fayea.com/tomcat/t ... e-1.1.33-src.tar.gz
[iyunv@tomcat tomcat]#  cd /usr/local/src
[iyunv@tomcat tomcat]#  tar -zxf tomcat-native-1.1.33-src.tar.gz
[iyunv@tomcat tomcat]# cd tomcat-native-1.1.33-src/jni/native
[iyunv@tomcat tomcat]#  ./configure --with-apr=/usr/local/apr --with-java-home=/usr/local/java
[iyunv@tomcat tomcat]#   make && make install


五， 设置 apr 的环境变量

[iyunv@tomcat tomcat]#  vim /etc/profile
export    PATH=$PATH:/usr/local/apr/lib
[iyunv@tomcat tomcat]# source /etc/profile


六，启动tomcat并查看catalina.out
[iyunv@tomcat tomcat]# bin/startup.sh
[iyunv@tomcat tomcat]# tail -f catalina.out
日志内容 org.apache.catalina.core.AprLifecycleListener.init Loaded APR based Apache Tomcat Native library 1.1.29 using APR version 1.5.0.
则apr安装成功。