New sharded cluster features in MongoDB 7.0

MongoDB 7.0 continues to simplify the management and understanding of sharded clusters for both operations and developer use cases. This version provides additional insights that assist in making the best decisions for both initial and future shard key selections. Furthermore, starting in MongoDB 7.0, developers can experience a consistent interface when using these commands on sharded or unsharded clusters, while still retaining the option to optimize for performance when necessary. Let's have a look at the new sharding features introduced in MongoDB 7.0.

Shard key advisor commands

Choosing a shard key is complex due to intricate data patterns and trade-offs. Yet, the new features in MongoDB 7.0 aim to ease this task:

• analyzeShardKey provides the ability to evaluate a candidate shard key against existing data. Shard key analysis in MongoDB 7.0 offers metrics to evaluate a shard key's suitability, including its...