I don't know if it is your bearshare program or just the Gnucleus program retrying every 10-30 seconds. Once someone selects you file the Gnucleus system will retry downloading every 10-30 second. It will retry for at least 60 times or more if they user sets their system to do something else. What this does is not allow others to get access to this file and causes a huge amount of excess traffic.