線上日志格式定義如下

<Format = "%<cqtq> %<ttms> %<pssc> %<sssc> [%<cqtt>] %<{X-Forwarded-For}cqh> \"%<cqtx>\" %<psql> \"%<pqsi>\" %<crc>:%<phr> %<{Referer}cqh> \"%<{User-Agent}cqh>\" %<psct>"/>

實例如下：

1432194201.810 8945 200 200 ?[15:43:21] 211.143.88.220 "GET http://111.13.140.12:80/youku/697814A886D39744A94514B27/03000208005506A3413AA803BAF2B1552E0345-4545-BEED-FC67-17B76E3C0F6D.flv HTTP/1.1" 12979938 "*Not IP address [0]*" TCP_MEM_HIT:NONE http://v.youku.com/v_show/id_XOTEzMjM1Njgw.html?from=y1.3-idx-grid-1519-9909.86808-86807.3-1 "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Trident/4.0;)" video/x-flv

1432118160.693 348 200 200 [18:36:00] 10.10.110.142 "GET http://123.126.104.80:80/sohu/s26h23eab6/v1/TmwATmw7qKINgmNVqF16q6bV0esvD6sRPVcXNhWL5m47fFoGRMNiNw.mp4?k=zjXjSK&p=XZhuOp3AjfK&r=TmI20LscWOoCNLfcWOyXwmXAyBj&q=OpCBhW7IWJodRDbsfhASotE7ZDvOfhXOfJ1HfhAHfhysvmbcWJWXfGdtZhNSqD24WYoUZDJ&cip=221.220.19.171 HTTP/1.1" 1010003 "123.126.104.80" TCP_MISS:DIRECT http://tv.sohu.com/20140502/n399076828.shtml "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36" video/mp4

分解指示如下：

各域名字段說明如下：
{HTTP header field name} cqh ?Logs the information in the requested field of the client request HTTP header

cqtq ?

The client request timestamp, with millisecond resolution，unix timestamp，單位是毫秒

ttms ?

The time Traffic Server spends processing the client request(處理該請求的總耗時，單位是毫秒，這個時間包括了ATS回源時間stms); the number of milliseconds between the time the client establishes the connection with Traffic Server and?the time Traffic Server sends the last byte of the response back to the client.

pssc ?

The HTTP response status code from Traffic Server to the client

sssc ?

The HTTP response status code from origin server to Traffic Server

cqtt ?

The client request timestamp. The time of the client request in the format hh:mm:ss, where hh is the two-digit hour in 24-hour format, mm is the two-digit minutes value,and ss is the 2-digit seconds value (for example, 16:01:19).

{X-Forwarded-For}cqh

X-Forwarded-For?header

cqtx?

The full HTTP client request text, minus headers; for example,GET http://www.company.com HTTP/1.0; In reverse proxy mode, Traffic Server logs the rewritten/mappedURL (according to the rules in remap.config), _not_ the pristine/unmapped URL.

psql?

The proxy response transfer length in Squid format (includes header and content length).

pqsi?

The proxy request server IP address (0 on cache hits and parent-ip for requests to parent proxies).

crc ?

The cache result code; specifies how the cache responded to the request (HIT, MISS, and so on).

phr ?

The proxy hierarchy route; the route Traffic Server used to retrieve the object.

{Referer}cqh ?

Referer header

{User-Agent}cqh ??

User-Agent header

psct?

The content type of the document from server response header: (for example, img/gif ).

更詳細的字段分析參見下面的參考文獻[1].

參考文獻
[1].http://trafficserver.readthedocs.org/en/latest/admin/event-logging-formats.en.html

總結(jié)

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