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Which of the following should not be used to provide extra capacity for reads?

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+1 vote
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Which of the following should not be used to provide extra capacity for reads?

(a) primary

(b) primaryPreferred

(c) secondary

(d) none of the mentioned

I had been asked this question during an interview for a job.

Enquiry is from Operational Segregation topic in section Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

1 Answer

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Best answer
Correct option is (c) secondary

The best I can explain: Use primaryPreferred if you want an application to read from the primary under normal circumstances.

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