解决memcache中使用session_start启动慢
session_start启动慢是自己的机器使用了memcache来缓存session了,这样发现用户登录之后mysql查询超级慢了,下面我来介绍一个临时的解决办法。
下面是我们的测试页面,就几句
代码如下 | 复制代码 |
session_start(); ?> |
CPU,IO,磁盘,内存……这些没问题的,都有排查过,刚开始以为网络问题、被墙、过滤、内存……问题,最后确定都不是.应该不是硬件资源问题了.
现在用额外加段代码能解决这问题,治标不治本,还没找到是什么原因导致session_start启动慢.
先自动创建一PHPSESSID,不用session_start自动分配的.
代码如下 | 复制代码 |
if(!isset($_COOKIE['PHPSESSID'])) |
最后的样子如下:
代码如下 | 复制代码 |
if(!isset($_COOKIE['zenid']) && $_SERVER['HTTP_USER_AGENT']!='UDROBOT') ..... |

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