我在debian机器上运行LAMP-Stack一段时间。 我以我习惯的方式进行configuration，从未产生奇怪的networking或内存问题。
在随机的随机日子里，我得到了一堆来自monit.d的关于mysql，exim，ssh和限制cpu使用情况的连接错误的邮件。 monit日志显示了很多“没有可用的缓冲区”。
没有我知道的事件，这可能触发这个事情，随机的日子和时间发生。
你有什么想法我可以解决这个问题吗？
先谢谢你！
程式：
CPU负载负载通常低于5％，RAM使用率低于50％。 服务器用于白天有5-10个活动用户的内部云。
部分monit.d日志：
[CET Jan 27 22:57:38] error : Connection failed -- No buffer space available [CET Jan 27 22:57:38] error : Cannot open a connection to the mailserver '127.0.0.1:25' -- No buffer space available [CET Jan 27 22:57:38] error : Sendmail: No mail servers are available [CET Jan 27 22:57:38] error : Alert handler failed, retry scheduled for next cycle [CET Jan 27 22:57:38] error : 'localhost' cpu system usage of 75.1% matches resource limit [cpu system usage>30.0%] [CET Jan 27 22:57:38] error : 'localhost' loadavg(5min) of 3.1 matches resource limit [loadavg(5min)>2.0] [CET Jan 27 22:57:38] error : Connection failed -- No buffer space available [CET Jan 27 22:57:38] error : socket_create: Could not create socket -- No buffer space available [CET Jan 27 22:57:38] error : 'apache2' failed, cannot open a connection to INET[localhost:80] via TCP [CET Jan 27 22:57:38] error : Connection failed -- No buffer space available [CET Jan 27 22:57:38] error : socket_create: Could not create socket -- No buffer space available [CET Jan 27 22:57:38] error : 'mysql' failed, cannot open a connection to INET[127.0.0.1:3306] via TCP [CET Jan 27 22:57:38] info : 'mysql' trying to restart [CET Jan 27 22:57:38] info : 'mysql' stop: /etc/init.d/mysql [CET Jan 27 22:57:41] info : 'mysql' start: /etc/init.d/mysql [CET Jan 27 22:57:46] error : Connection failed -- No buffer space available [CET Jan 27 22:57:46] error : socket_create: Could not create socket -- No buffer space available [CET Jan 27 22:57:46] error : 'exim4' failed, cannot open a connection to INET[localhost:25] via TCP [CET Jan 27 22:57:46] info : 'exim4' trying to restart [CET Jan 27 22:57:46] info : 'exim4' stop: /etc/init.d/exim4 [CET Jan 27 22:57:46] info : 'exim4' start: /etc/init.d/exim4