The following figure shows a sample log entry in a common.log file, the list
following describes the fields of the format.

8sssc- The origin server response status code.
9sshl- The server response transfer length; the body length in the origin server response to Traffic Server, in bytes.
10cqbl- The client request transfer length; the body length in the client request to Traffic Server, in bytes.
11pqbl- The proxy request transfer length; the body length in the Traffic Server request to the origin server.
12cqhl- The client request header length; the header length in the client request to Traffic Server.
13pshl- The proxy response header length; the header length in the Traffic Server response to the client.
14pqhl- The proxy request header length; the header length in Traffic Server request to the origin server.
15sshl- The server response header length; the header length in the origin server response to Traffic Server.
16tts- The time Traffic Server spent processing the client request; the number of seconds between the time that the client established the connection with Traffic Server and the time that Traffic Server sent the last byte of the response back to the client.

