我生产环境下的两台Nginx + PHP5(FastCGI)服务器,跑多个一般复杂的纯PHP动态程序,从Nginx的日志可以统计出,单台Nginx + PHP5(FastCGI)服务器跑PHP动态程序的处理能力已经超过“700次请求/秒”,相当于每天可以承受6000万(700*60*60*24=60480000)的访问量:

  服务器①:DELL PowerEdge 1950(两颗 Intel(R) Xeon(R) 双核CPU 5120 @ 1.86GHz,4GB内存)

  服务器②:DELL PowerEdge 1950(一颗 Intel(R) Xeon(R) 双核CPU 5140 @ 2.33GHz,4GB内存)

  Web服务器:CentOS Linux 4.4 + Nginx 0.5.35 + PHP 5.2.6RC2(300 FastCGI Procees, unix-domain socket, with XCache)

  PHP程序内容:大量Memcached读写、少量MySQL读操作、大量文件队列写操作,然后计算,生成供<script type="text/javascript" src="http://www.domain.com/abc.php?u=1"></script>方式调用的JS代码或XML数据。


grep "25/Mar/2008:15:01:15" /data1/logs/nginx.log | wc -l







  4、如果PHP直接对MySQL进行大量读写操作,速度是达不到“700 request/sec”的,PHP与MySQL之间需要一个中间层,这是关键的技术。

  5、CPU的数量(多核算多个CPU,cat /proc/cpuinfo |grep -c processor)越多,系统负载越低,每秒能处理的请求数也越多。

  6、使用PHP 5.2.6RC2,因为它修正了PHP 5.2.5的“zend_mm_heap corrupted”错误BUG。PHP 5.2.5(FastCGI)在高并发请求情况下,经常会出现该错误。

  7、有空我将写一篇针对CentOS Linux环境Nginx + PHP5(FastCGI)安装、配置的最新博文。

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技术大类 » Web服务器 | 评论(54) | 引用(0) | 阅读(102609)
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