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#systemdesign #ConsistentHashing
Does load balancer use hashing?
Hashing is one of the common methods used in Load Balancing for distributing requests among the web servers.
Does load balancer use hashing?
Hashing is one of the common methods used in Load Balancing for distributing requests among the web servers.
How load balancer uses hashing?
We have something known as request_id that is uniquely and randomly generated. Each request by the client is uniquely identified by this request_id. Load balancer hashes the request_id with the proper hash function and distributes the requests.
We have something known as request_id that is uniquely and randomly generated. Each request by the client is uniquely identified by this request_id. Load balancer hashes the request_id with the proper hash function and distributes the requests.
But here comes the problem, if one server is added or removed from the pool of servers, we need to rehash all requests from the start and distribute them to the servers. So we can use the Consistent Hashing technique to solve this problem.
