Dims - 2010-10-17

# /etc/init.d/opensips status
opensips (pid 6819 6818 6817 6815 6813 6811 6807 6806 6805 6804 6802 6799 6798 6796 6794 6792 6790 6783) is running…

Why are so many pids? Are they absolutely required even for small community server? How one can decrease this number?