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___________ is a command-line tool that displays a summary list of status statistics for a currently running MongoDB instance.

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___________ is a command-line tool that displays a summary list of status statistics for a currently running MongoDB instance.

(a) mongostat

(b) mongotop

(c) mongooplog

(d) mongofiles

The question was posed to me at a job interview.

My question is taken from Installation topic in section MongoDB Enterprise and Packages of MongoDB

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Correct answer is (a) mongostat

Easy explanation: It describes how many inserts, updates, removes, queries, and commands were performed, as well as what percentage of the time the database was locked and how much memory it is using.

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