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Apache 記憶體吃光調教

以下系統是centos 32bit 512MB

Out of memory: Kill process 9502 (httpd) score 33 or sacrifice child
Killed process 9502 (httpd) total-vm:70580kB, anon-rss:32324kB, file-rss:0kB

仔細觀察幾天,發現我即使設定cron job讓apache每天重新啟動也沒辦法改善這個狀況


Tomcat log available pattens

%a – Remote IP address
%A – Local IP address
%b – Bytes sent, excluding HTTP headers, or ‘-‘ if zero
%B – Bytes sent, excluding HTTP headers
%h – Remote host name (or IP address if resolveHosts is false)
%H – Request protocol
%l – Remote logical username from identd (always returns ‘-‘)
%m – Request method (GET, POST, etc.)
%p – Local port on which this request was received
%q – Query string (prepended with a ‘?’ if it exists)
%r – First line of the request (method and request URI)
%s – HTTP status code of the response
%S – User session ID
%t – Date and time, in Common Log Format
%u – Remote user that was authenticated (if any), else ‘-‘
%U – Requested URL path
%v – Local server name
%D – Time taken to process the request, in millis
%T – Time taken to process the request, in seconds
%I – current request thread name (can compare later with stacktraces)