erlmongo
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How do I use master-slave?
mongodb:replicaSets(mongo_test, ["127.0.0.1:27017", "127.0.0.1:27018", "127.0.0.1:27019", "127.0.0.1:27020", "127.0.0.1:27021"]), mongodb:connect(mongo_test), how i can find master mongo?
master is detected automatically