服务器运行一段时间后卡死，报错日志提示这几个错误

Question

[Wed Feb 12 04:29:19.108387 2020] [mpm_prefork:notice] [pid 10122] AH00170: caught SIGWINCH, shutting down gracefully

[Wed Feb 12 04:30:21.199625 2020] [suexec:notice] [pid 10566] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)

[Wed Feb 12 04:30:21.221961 2020] [auth_digest:notice] [pid 10566] AH01757: generating secret for digest authentication ...

[Wed Feb 12 04:30:21.222575 2020] [lbmethod_heartbeat:notice] [pid 10566] AH02282: No slotmem from mod_heartmonitor

[Wed Feb 12 04:30:21.265901 2020] [mpm_prefork:notice] [pid 10566] AH00163: Apache/2.4.6 (CentOS) PHP/5.6.40 configured -- resuming normal operations

[Wed Feb 12 04:30:21.265942 2020] [core:notice] [pid 10566] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'

Answer 1

看下是不是因为有内存泄漏造成溢出，造成内存不足，监控下服务器的io cpu内存