1.

The oplog must translate multi-updates into individual operations in order to maintain ____________(a) availability(b) idempotency(c) scalability(d) secondaryI got this question during an internship interview.The question is from Replication Processes topic in section Replication Concepts, Processes and Replication Set of MongoDB

Answer»

Right option is (B) idempotency

Easiest explanation: This can use a great deal of OPLOG SPACE without a corresponding INCREASE in data size or disk use.



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