Mongoose: Read on ReplicaSet

Question

I have a mongodb replica set from which I want to read data from primary and secondary db.

I have used this command to connect to the db:

mongoose.con

Answer 1

You can simply do that by using below code

var collection = db.collection(collectionName,{readPreference:'secondaryPreferred'});

http://p1bugs.blogspot.in/2016/06/scaling-read-query-load-on-mongodb.html