はてなブックマーク

Greetings adventurers! If you’ve been travelling through MongoDB indexing territory for any amount of time, you may have heard or derived the following maxim: If your queries contain a sort/orderby clause, add the sorted field to the end of the index servicing the query. In many cases when querying for documents containing equivalent values, the above mantra is very helpful (by equivalency, I mean

Greetings adventurers! MongoLab is pleased to introduce Dex! We hope he assists you on your quests. Dex is a MongoDB performance tuning tool, open-sourced under the MIT license, that compares logged queries to available indexes in the queried collection(s) and generates index suggestions based on a simple rule of thumb. To use Dex, you provide a path to your MongoDB log file and a connection URI f