sh.enableAutoSplit

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Description

sh.enableAutoSplit()

New in version 3.4.

Enables auto-splitting for the sharded cluster. Auto-splitting is enabled by default.

sh.enableAutoSplit() enables the autosplit flag in the config.settings collection.

You can only run sh.enableAutoSplit() from a mongo shell connected to a mongos instance. sh.enableAutoSplit() errors if run on a mongod instance.

Starting in MongoDB 4.2, sh.startBalancer() also enables auto-splitting for the sharded cluster.

For more information on chunk splits, see Chunk Splits. For more information about how MongoDB balances chunks among shards, see: Manage Sharded Cluster Balancer and Sharded Cluster Balancer.

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sh.disableAutoSplit

sh.enableSharding()