Explanation:If your data is larger than system memory, the queries will push the working set out of memory. 4. To mitigate the impact of mongodump on the performance of the replica set, use mongodump to capture backups from a _________ member of a replica set.
A. primary
B. secondary
C. snaphot
D. None of the mentioned
Answer:A
Explanation:If your data is larger than system memory, the queries will push the working set out of memory. 4. To mitigate the impact of mongodump on the performance of the replica set, use mongodump to capture backups from a _________ member of a replica set.
A. primary B. secondary C. snaphot D. None of the mentioned
Explanation: Alternatively, you can shut down a secondary and use mongodump with the data files directly. 5. Point out the wrong statement :