Hello
I run into strange log entries, which report very different
response size by %b and %O
(from log_io module) log formats.
My understanding was that %b gives the number of bytes sent to
client (actually the file size,
if request was completed), and %O gives size of response+headers.
Further, if %X == X that means the response was not competed.
However, I run into records where %b is exactly the file size,
while %X is X, and %O is much
lower than %b.
As I rely upon %b to count file downloads, this seems very
disturbing. :( Do I miss something here?
Apache version 2.0.49 on Centos Linux. Below is a sample line
from log.
Thanks to everyone who can help!
Alex
xx.xx.xx.xx - - [13/Apr/2007:04:05:37 -0500] "GET /file.exe
HTTP/1.1" 200 2952375 "http://referer.com"; "Mozilla/4.0
(compatible; MSIE 6.0; Windows NT 5.1)" 10200772 1176455137 X 354
132425
format is
"%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %D
%{%s}t %X %I %O"
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