Files
awesome-system-design-resou…/implementations/python/load_balancing_algorithms/least_connections.py
2024-06-01 23:13:41 -07:00

28 lines
1021 B
Python

import random
class LeastConnections:
def __init__(self, servers):
self.servers = {server: 0 for server in servers}
def get_next_server(self):
# Find the minimum number of connections
min_connections = min(self.servers.values())
# Get all servers with the minimum number of connections
least_loaded_servers = [server for server, connections in self.servers.items() if connections == min_connections]
# Select a random server from the least loaded servers
selected_server = random.choice(least_loaded_servers)
self.servers[selected_server] += 1
return selected_server
def release_connection(self, server):
if self.servers[server] > 0:
self.servers[server] -= 1
# Example usage
servers = ["Server1", "Server2", "Server3"]
load_balancer = LeastConnections(servers)
for i in range(6):
server = load_balancer.get_next_server()
print(f"Request {i + 1} -> {server}")
load_balancer.release_connection(server)