Explanation:In most situations a sharded cluster will create and distribute chunks automatically without user intervention. 3. MongoDB provides the _________ command to combine contiguous chunk ranges into a single chunk.
A. helpchunks
B. moveChunks
C. mergeChunks
D. All of the mentioned
Answer:A
Explanation:In most situations a sharded cluster will create and distribute chunks automatically without user intervention. 3. MongoDB provides the _________ command to combine contiguous chunk ranges into a single chunk.
A. helpchunks B. moveChunks C. mergeChunks D. All of the mentioned
Explanation:For a sharded collection, mergeChunks combines contiguous chunk ranges on a shard into a single chunk. Issue the mergeChunks command from a mongos instance. 4. Use ________ to determine the current chunk ranges across the cluster.