Newbie log question

I have a fresh instalation.
I look at the http_error.log and I see lines like:-

[Wed Apr 14 10:28:54 2010] [info]:
<rt-3.8.7-941-1271240934-272.2-3-0@f8:8001> #2/83 - Scrip 3
On Create Autoreply To Requestors

This must be saying what needs to be done as I have next nothing set up at the moment.

What is the #2/83 ?
Is it of any significance ?

My “book” is not yet with me !!