CentOS 啟用memcached

#yum install -y memcached php5-memcache

#vi /etc/php.ini

session.save_handler = files
修改成
session.save_handler = memcache
session.save_path="tcp://127.0.0.1:11211?persistent=1&weight=1&timeout=1&retry_interval=15"

#vi /etc/sysconfig/memcached

PORT="11211"
USER="memcached"
MAXCONN="1024"
CACHESIZE="512"
OPTIONS=""

#service memcached restart
#service httpd restart

查看狀態
memcached-tool 127.0.0.1:11211 stats
memcached-tool 127.0.0.1:11211 display
memcached-tool 127.0.0.1:11211 dump

設定開機啟用

chkconfig memcached on

可以解決session 檔案過多，造成效能下降的狀況