Httpd Logging Configuration

External

• https://httpd.apache.org/docs/current/en/logs.html#accesslog
• Log Formats https://httpd.apache.org/docs/current/en/mod/mod_log_config.html#formats

Internal

• httpd Configuration
• Undertow access-log Configuration Details

Format

%t

Time the request was received, in the format [18/Sep/2011:19:18:28 -0400]. The last number indicates the timezone offset from GMT

The request is recorded with the correct "landing" time, but it may appear in the log later that the requests arrived at the same time, if it longer than those.

Also see:

WildFly Undertow Timestamp Logging

%T

The time taken to serve the request, in seconds.

%D

The time taken to serve the request, in microseconds.