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squid的access.log里的TCP_IMS_HIT,对它的解释是:客户端发送确认请求,Squid发现更近来的、貌似新鲜的请求资源的拷贝。Squid发送更新的内容到客户端,而不联系原始服务器。
这个是不是说squid刚刚从后台web服务器更新了这个文件,更新完第一次有客户端请求这个文件,squid就把缓存发给它,以后再有客户端要访问这个文件的话,就是TCP_MEM_HIT了?
以下是我截取一段access.log的内容,为什么TCP_IMS_HIT会频繁的与TCP_MEM_HIT交替出现?
- 1245289965.300 0 60.176.2.30 TCP_IMS_HIT/304 239 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245289988.478 0 125.92.211.94 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290068.470 0 61.180.24.83 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290118.772 0 221.209.245.31 TCP_IMS_HIT/304 239 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290146.033 0 222.182.173.211 TCP_IMS_HIT/304 239 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290146.588 0 58.251.166.115 TCP_MEM_HIT/200 7257 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290197.134 0 124.166.105.255 TCP_IMS_HIT/304 239 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290334.068 9735 59.46.80.245 TCP_MEM_HIT/200 44648 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290340.327 0 221.12.17.84 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290353.890 0 221.202.72.17 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290457.480 0 60.180.200.31 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290577.898 0 218.246.181.195 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290579.449 0 222.74.58.30 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290748.715 0 119.115.44.66 TCP_IMS_HIT/304 239 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290793.349 0 60.191.56.90 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
- 1245290802.037 0 119.125.255.21 TCP_MEM_HIT/200 7262 GET [url]http://www.abc.com/index.html[/url] - NONE/- text/html
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[ 本帖最后由 sailer_sh 于 2009-6-18 10:08 编辑 ] |
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