____________ does not provide query execution information for the rejected plans.
A. serverstats
B. queryPlanner
C. executionStats
D. all of the mentioned
I have been asked this question during an internship interview.
I want to ask this question from Optimization Strategies topic in chapter Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB
Correct option is C. executionStats
To explain I would say: executionStats contains statistics that describe the completed query execution for the winning plan.