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If the oplog is shorter than the slaveDelay window, the _______ member cannot successfully replicate operations.

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If the oplog is shorter than the slaveDelay window, the _______ member cannot successfully replicate operations.

(a) hidden

(b) delayed

(c) priority

(d) all of the mentioned

This question was posed to me during an online interview.

Origin of the question is Member Configuration topic in portion Replication Concepts, Processes and Replication Set of MongoDB

1 Answer

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Best answer
Correct answer is (b) delayed

The best I can explain: The length of the secondary slaveDelay must fit within the window of the oplog.

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