Centos：有很多'httpd start'进程

Question

我发现我的服务器很慢，我用'ps au'来显示所有的进程。有很多/usr/local/apache/bin/httpd -k start正在运行。

我该如何解决这个问题？

USER  PID %CPU %MEM VSZ RSS TTY  STAT START TIME COMMAND 
root   1 0.0 0.0 195536 10040 ?  Ss 6月11 40:57 /usr/lib/systemd/systemd --switched-root --system --d 
root   2 0.0 0.0  0  0 ?  S 6月11 0:00 [kthreadd] 
nobody 31295 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31296 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31297 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31299 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31303 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31310 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31312 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31314 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31315 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31316 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31320 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31324 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31326 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31328 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31329 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31330 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31331 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31332 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31333 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31335 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31338 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31339 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31341 0.0 0.0 97160 6208 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31346 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31364 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31370 0.0 0.0 97028 5036 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31373 0.0 0.0 97028 5040 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31374 0.0 0.0 97028 5044 ?  S 11:02 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31416 0.0 0.0 97028 5048 ?  S 11:03 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31418 0.0 0.0 97028 5044 ?  S 11:03 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31422 0.0 0.0 97028 5044 ?  S 11:03 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31423 0.0 0.0 97028 5044 ?  S 11:03 0:00 /usr/local/apache/bin/httpd -k start 
dovecot 31461 0.0 0.0 27940 2232 ?  S 11:04 0:00 dovecot/auth 
root  31525 0.0 0.0 82012 11368 ?  S 11:04 0:00 /usr/local/cpanel/3rdparty/bin/perl /usr/local/cpanel/ 
nobody 31578 0.0 0.0 97028 4800 ?  S 11:04 0:00 /usr/local/apache/bin/httpd -k start 
nobody 31579 0.0 0.0 97028 5048 ?  S 11:04 0:00 /usr/local/apache/bin/httpd -k start 

Answer 1

可以使用过程通过使用以下指令控制的工人：

• 了ServerLimit 16
• StartServers的2
• MaxRequestWorkers 150
• MinSpareThreads 25
• MaxSpareThreads 75
• ThreadsPerC hild 25

相应地设置值。