Explanation:By default, each document operation during chunk migration propagates to at least one secondary before the balancer proceeds with the next document 10.With __________ enabled, the source shard archives the documents in the migrated chunks in a directory named after the collection namespace.
A. sharding.archiveChunks
B. sharding.archiveMovedChunks
C. shard.archiveMovedChunks
D. None of the mentioned
Answer:A
Explanation:By default, each document operation during chunk migration propagates to at least one secondary before the balancer proceeds with the next document 10.With __________ enabled, the source shard archives the documents in the migrated chunks in a directory named after the collection namespace.
A. sharding.archiveChunks B. sharding.archiveMovedChunks C. shard.archiveMovedChunks D. None of the mentioned
Explanation:Starting in MongoDB 2.6, sharding.archiveMovedChunks is enabled by default. Sanfoundry Global Education & Learning Series – MongoDB.