wget -c http://xcache.lighttpd.net/pub/Releases/2.0.1/xcache-2.0.1.tar.gz

tar zxvf xcache-2.0.1.tar.gz

cd xcache-2.0.1

phpize

./configure --with-php-config=/usr/local/php/bin/php-config --enable-xcache --enable-xcache-optimizer
make
make install

这步完成后出现的路径请记下来，后面的配置会用到

算出密码的MD5字串，用于设置管理密码
echo -n "123456" | md5sum

配置php.ini支持XCache
vi /usr/local/php/etc/php.ini

[xcache-common]
zend_extension = /usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/xcache.so
[xcache.admin]
; Change xcache.admin.user to your preferred login name
xcache.admin.user = "admin"
; Change xcache.admin.pass to the MD5 fingerprint of your password
; Use md5 -s "your_secret_password" to find the fingerprint
xcache.admin.pass = "e10adc3949ba59abbe56e057f20f883e"
[xcache]
; Change xcache.size to tune the size of the opcode cache
xcache.size = 24M
xcache.shm_scheme = "mmap"
xcache.count = 2
xcache.slots = 8K
xcache.ttl = 0
xcache.gc_interval = 0
; Change xcache.var_size to adjust the size of variable cache
xcache.var_size = 8M
xcache.var_count = 1
xcache.var_slots = 8K
xcache.var_ttl = 0
xcache.var_maxttl = 0
xcache.var_gc_interval = 300
xcache.test = Off
xcache.readonly_protection = On
xcache.mmap_path = "/tmp/xcache"
xcache.coredump_directory = ""
xcache.cacher = On
xcache.stat = On
xcache.optimizer = Off
[xcache.coverager]
xcache.coverager = On
xcache.coveragedump_directory = ""

重启php-fpm

[root@web2 ]# /etc/init.d/php-fpm restart

查看phpinfo显出的信息
This program makes use of the Zend Scripting Language Engine:
Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies
with XCache v2.0.1, Copyright (c) 2005-2012, by mOo
或者用探针查看是否已经支持xcache

更多信息请查看xcache官网~

http://xcache.lighttpd.net/