Depending on your server's processor, anywhere between 500 meg and a few gigabytes.
How do I change the default display?
You can change the default display by editing the actual cgi script. The three display variables, found on lines 25 to 29, allow you to control which lines will be initially displayed.
Why do the line numbers I enter sometimes change?
If you enter a number greater than the number of lines in your log, the number will be changed to the total number of lines in your log
Why are my lines not displayed?
Make sure you have entered the correct path to your file on line 21 of the script. You must enter the absolute path including the document root. Eg.