local CURRENT=$(query_db "SELECT count(*) FROM sources AS s JOIN schedule AS sch ON s.id=sch.package_id WHERE s.architecture='x86_64' AND sch.date_build_started IS NULL;")
if[$CURRENT-le$THRESHOLD];then
echo"$(date-u) - scheduling $MAX old packages."
# this query schedules blacklisted packages as they dont have status blacklisted in db...