Load Balancing
Replicas par load ne distribute/spread karva mate, aapde ek middle layer ne application nodes and read replicas vachee set karvu required 6e. Aane load balancer kehvay 6e. aa rite aapde load ne ek karta vadhare replicas vacche set kari sakie 6ie. aa set ne Replica Read Pool pan kehva ma aave 6e. aa implementation karva mate jo aapde aapdu potanu solution create karta hoi athva to network based balancer set karta hoi athva aapde public cloud environment ma hoi to pan je technology no use thay 6e aema 6e HAProxy ane PgPool II.
Jo write bound scaling na hoi to aapde simply manie 6ie k application directly primary database ne connect karse and write operations perform karse.
Jaruri nathi k aapde 3 replicas set kareli hoi to aa 3 replicas user na load ne handle karse. aama thi matra 2 replica j sayad user na load ne handle karva mate use thatu hoi, baki rahelu 1 replica matra backup and reporting mate bhi hoi sake 6e.
Aapde load balancer sathe ek health check set kari sakie 6ie je bandh padel node ne automatically remove kari de 6e. jyare ek new node bani jay 6e to ae fari thi pool ma set thai jaay 6e.
Aa sivay jyare load balancer ni madad thi application easily load balancer sathe communicate karse and baki nu badhu replica, etc... setup backend/background ma customer ne impact padya vagar easily work kartu rehse.