[Bug 255124] [NEW] apache's default logging format can be horribly inaccurate in terms of data transferred

James Troup james.troup at canonical.com
Tue Aug 5 21:52:05 BST 2008


Public bug reported:

Binary package hint: apache2

>From <http://httpd.apache.org/docs/2.2/mod/mod_log_config.html>

| Note that in httpd 2.0, unlike 1.3, the %b and %B format strings do
| not represent the number of bytes sent to the client, but simply the
| size in bytes of the HTTP response (which will differ, for instance,
| if the connection is aborted, or if SSL is used). The %O format
| provided by mod_logio will log the actual number of bytes sent over
| the network.

Unfortunately the Ubuntu packages have a default LogFormat that uses
%b rather than %O.  Could we please change that?  (I'm told, by a
former Apache developer, that it's not any more expensive than %b.)

This is not a theoretical problem, with the default LogFormat we see
horrificly (and demonstrably) inaccurate logging of data transferred
from our ISO image servers.

** Affects: apache2 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
apache's default logging format can be horribly inaccurate in terms of data transferred
https://bugs.launchpad.net/bugs/255124
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