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.
A. sh.collects()
B. sh.status()
C. sh.results()
D. All of the mentioned
Answer:A
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.
A. sh.collects() B. sh.status() C. sh.results() D. All of the mentioned
Explanation:To access the config database, connect to a mongos instance in a sharded cluster, and use the following helper: use config 5. Point out the wrong statement :