Identifying Performance Issues and Solving Them

Dollar look up works great, but it also runs into some performance issues sometimes. Longoose tries its best to kind of make like, one operation the same as a one in operation e mungaty bee,. And helec two queries are easier to rod to think about riaging the mouth in one aggregation query. It's just an issue that i've run into when we started using dollar look up pretty early on. Yet, if your indexes are perfect, then it's not really a problem at all.