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On Linux, use the ______ command to check if disk I/O is a bottleneck for your database.

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On Linux, use the ______ command to check if disk I/O is a bottleneck for your database.

(a) stat

(b) iostats

(c) iostat

(d) none of the mentioned

I had been asked this question in a job interview.

My question is based upon MongoDB Maintenance in section GridFS, BSON Datatype and Administration Concepts of MongoDB

1 Answer

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Best answer
Correct option is (c) iostat

Easiest explanation: Specify the number of seconds when running iostat to avoid displaying stats covering the time since server boot.

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