服务器运行一两天总会宕机一次

yylogo

服务器运行一两天总会宕机一次，所有的请求都变成502，基本无法访问。
日志文件如下：

1. [Sat May 23 22:04:08 2015] [error] could not make child process 10557 exit, attempting to continue anyway
   
2. [Sat May 23 22:04:08 2015] [error] could not make child process 10559 exit, attempting to continue anyway
   
3. [Sat May 23 22:04:08 2015] [error] could not make child process 10569 exit, attempting to continue anyway
   
4. [Sat May 23 22:04:08 2015] [error] could not make child process 10570 exit, attempting to continue anyway
   
5. [Sat May 23 22:04:08 2015] [error] could not make child process 10571 exit, attempting to continue anyway
   
6. [Sat May 23 22:04:08 2015] [error] could not make child process 10574 exit, attempting to continue anyway
   
7. [Sat May 23 22:04:08 2015] [error] could not make child process 10575 exit, attempting to continue anyway
   
8. [Sat May 23 22:04:08 2015] [error] could not make child process 10577 exit, attempting to continue anyway
   

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每次都是apache进程太多，现在的解决办法就是写了一段脚本，每隔四个小时重启一次apache。
有一劳永逸的办法吗？

hanye韩也

加大线程数，加大客户端连接数 试试看