Ad 1 has to be shown 30% of the traffic
Ad 2 has to be shown 40% of the traffic
Remaining has to be given to RTB
generate a random number between 0:100
if the number is 0-30 the Ad 1 has to be shown
if the number is 30-70 the Ad 1 has to be shown
else RTB is to be called
The servers can be now independent and no need to share the state, or have a lock based counter. For large number of requests, and with a good random number generator, you will get good results.
generate a random number between 0:100 if the number is 0-30 the Ad 1 has to be shown if the number is 30-70 the Ad 1 has to be shown else RTB is to be called
The servers can be now independent and no need to share the state, or have a lock based counter. For large number of requests, and with a good random number generator, you will get good results.