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OPTIONS * HTTP/1.0请求

Srv PID Acc M CPU SS Req Conn Child Slot Client VHost Request 22-0 3393 1/55/55 C 0.22 141 0 0.0 0.25 0.25 127.0.0.1 ihacklog.com OPTIONS * HTTP/1.0

It's Apache polling its child processes to verify they're responding correctly. 31-2 - 0/0/44 . 0.00 41 0 0.0 0.00 0.92 ::1 mxx1.xx.com OPTIONS * HTTP/1.0 The second field, " - ", shows that this isn't an active connection.. It's the last connection that took place for this particular thread/process. Since Apache polls its children every few minutes it's not unusual to see many of these on a system with light web traffic. With some versions of Apache you'd see a "GET /" instead of "OPTIONS *" for these connections.
this is Apache "polling its child processes to verify they're responding correctly." Simplified, this is a normal process for a contemporary server application to ensure it is using memory efficiently. If you prefer a more elaborate response with more technical details, please let me know. By "The second field, ' - ', shows that this isn't an active connection" - that means that these are not actual HTTP connections. As a result, these "connections" are not generating any load on your server. If you are experiencing load problems on your server, it would be from something else. Feel welcome to have our technical analysts look over your server so they can assist you with determining the cause of the high load.

http://forums.cpanel.net/f5/what-options-http-1-0-200-a-99801.html

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