dajngo channels server getting slow or not respong when 200 room are created simoustanly

[Manish swami]

i am new to django channels, i created chat app follwing dajngo channels documention ,and i created succussfully, but when  my  number of channels are increased like more than 200 (mean 200 people are chatting  on different room ) . than server start getting slow aur we can say is stop  responding , please help me in t his case