MongoDB Administrator's Guide

How to do it...

1. Remove all indexes:

 > db.mockdata.dropIndexes(){     "nIndexesWas" : 2,     "msg" : "non-_id indexes dropped for collection",     "ok" : 1 }

2. Add some additional data to increase the size of our collection. Run the following command string in your Terminal window:

 for x in $(seq 20); do mongoimport --headerline --type=csv -d mydb -c mockdata -h localhost chapter_2_mock_data.csv;done

3. Open two mongo shells, we will create an index in one while we do an insert query in another. Ensure you've selected mydb by executing the command use mydb in both windows.
4. In the first mongo shell, create an index and immediately shift to the second shell:

> db.mockdata.createIndex({city:1, first_name:1, last_name:1})

5. In the second shell window, perform ...