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开始配置软件，具体软件安装，可以看 LAMP与LNMP加速与缓存优化(一)
vi /application/php/lib/php.ini
lamp
extension_dir = "/application/php5.3.27/lib/php/extensions/no-debug-zts-20090626/"
extension = memcache.so //添加
extension = pdo_mysql.so
extension = imagick.so
/application/apache/bin/apachectl restart
lnmp
extension_dir = "/application/php5.3.27/lib/php/extensions/no-debug-non-zts-20090626/"
extension = memcache.so
extension = pdo_mysql.so
extension = imagick.so
pkill php-fpm //重启
/application/php/sbin/php-fpm
vim index.php
<?php
phpinfo();
?>
进入首页，ctrl+F搜索memcache pdo_mysql imagick，查看是否有
配置eaccelerator缓存 目录
mkdir -p /tmp/eaccelerator 可以用tmpfs内存文件系统或者固态硬盘
chown -R nginx.nginx /tmp/eaccelerator
chown -R www.www /tmp/eaccelerator
cat >> /application/php/lib/php.ini<<EOF
[eaccelerator]
extension=eaccelerator.so
eaccelerator.shm_size="64"
eaccelerator.cache_dir="/tmp/eaccelerator"
eaccelerator.enable="1"
eaccelerator.optimizer="1"
eaccelerator.check_mtime="1"
eaccelerator.debug="0"
eaccelerator.filter=""
eaccelerator.shm_max="0"
eaccelerator.shm_ttl="3600"
eaccelerator.shm_prune_period="3600"
eaccelerator.shm_only="0"
eaccelerator.compress="1"
eaccelerator.compress_level="9"
EOF
# /application/php/bin/php -v
PHP 5.3.27 (cli) (built: Apr 3 2016 22:23:16)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2013 Zend Technologies
with eAccelerator v0.9.6, Copyright (c) 2004-2010 eAccelerator, by eAccelerator
模块已生效
# ls /tmp/eaccelerator/
0 1 2 3 4 5 6 7 8 9 a b c d e f
find /tmp/eaccelerator/ -type f //无文件，还未缓存
/application/apache/bin/apachectl restart //重启服务 apache
find /tmp/eaccelerator/ -type f
/tmp/eaccelerator/3/8/eaccelerator-86746.765166 //有缓存了
kill -USR2 `cat /app/logs/php-fpm.pid` // 重启nginx
find /tmp/eaccelerator/ -type f
/tmp/eaccelerator/e/3/eaccelerator-86746.763441
补充： kill -9 进程号 killall -9 进程号 pkill 进程名
#ps -ef | grep php-fpm | awk '{print $2}'| xargs kill
/application/php/sbin/php-fpm
# ps -ef | grep php-fpm | awk '{print "kill " $2} ' | bash
eaccelerator 和xcache 二选一就可以
vi xcache-1.3.2/xcache.ini
3 ;zend_extension = /usr/local/lib/php/extensions/non-debug-non-zts-xxx/xcache.so //注释掉
6 ;zend_extension_ts = c:/php/extensions/php_xcache.dll //注释掉
8 extension = xcache.so //取消注释 前面不要有空格
25 xcache.size = 128M
27 xcache.count = 2 //CPU核心数cat /proc/cpuinfo |grep -c processor
31 xcache.ttl = 86400
33 xcache.gc_interval = 3600
36 xcache.var_size = 0
cat xcache-1.3.2/xcache.ini >> /application/php/lib/php.ini //追加
/application/php/bin/php -v
PHP Warning: Cannot load module 'XCache' because conflicting module 'eAccelerator' is already loaded in Unknown on line 0 //会有冲突报错
需要注释掉前面的eaccelerator 重启服务
压力测试