Sharding Methods
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Note
For details on specific methods, including syntax and examples, click on the specific method to go to its reference page.
Name | Description |
---|---|
Aborts a resharding operation. New in version 5.0. | |
Adds a shard to a sharded cluster. | |
In MongoDB 3.4, this method aliases to sh.addShardToZone() . | |
Associates a shard to a zone. Supports configuring zones in sharded clusters. | |
In MongoDB 3.4, this method aliases to sh.updateZoneKeyRange() . | |
Returns information on whether the chunks of a sharded collection are balanced. New in version 4.4. | |
Forces a resharding operation to block writes and complete. New in version 5.0. | |
Disable balancing on a single collection in a sharded database. Does not affect balancing of other collections in a sharded cluster. | |
Activates the sharded collection balancer process if previously disabled using sh.disableBalancing() . | |
Disables auto-splitting for the sharded cluster. | |
Enables auto-splitting for the sharded cluster. | |
Enables sharding on a specific database. | |
Deprecated since MongoDB 3.4 | |
Returns a boolean to report if the balancer is currently enabled. | |
In MongoDB 3.4, this method aliases to sh.removeRangeFromZone() . | |
Removes an association between a range of shard keys and a zone. Supports configuring zones in sharded clusters. | |
Returns help text for the sh methods. | |
Returns a document describing the status of the balancer. | |
Migrates a chunk in a sharded cluster. | |
In MongoDB 3.4, this method aliases to sh.removeShardFromZone() . | |
Removes the association between a shard and a zone. Use to manage zone sharding. | |
Initiates a resharding operation to change the shard key for a collection, changing the distribution of your data. New in version 5.0. | |
Enables sharding for a collection. | |
Divides an existing chunk that contains a document matching a query into two approximately equal chunks. | |
Enables the balancer and waits for balancing to start. | |
Reports on the status of a sharded cluster, as db.printShardingStatus() . | |
Disables the balancer and waits for any in progress balancing rounds to complete. | |
Internal. Waits for the balancer state to change. | |
Internal. Waits until the balancer stops running. | |
Internal. Waits for a change in ping state from one of the mongos in the sharded cluster. | |
Associates a range of shard keys to a zone. Supports configuring zones in sharded clusters. | |
Returns the hashed value for the input. |