What started as an experiment turned into a series of articles on FerretDB and CockroachDB. There are a lot of untapped opportunities realized by FerretDB backed by CockroachDB; some of those capabilities are computed columns with secondary indexes, partial indexes, constraints, spatial capabilities, JSONB operators, multi-region abstractions and of course correctness and consistency. Today, we’re going to discuss CockroachDB multi-region capabilities and how they can help the MongoDB converts.

High-level Steps

Start a 9-node multi-region cluster (CockroachDB Dedicated)
Start FerretDB (Docker)
Multiregion

REGIONAL BY TABLE
GLOBAL
Follower Reads
REGIONAL BY ROW

Considerations
Conclusion

Step-by-Step Instructions

Start a 9-Node Multi-region Cluster (Cockroachdb Dedicated)

I am going to use the same CockroachDB Dedicated cluster from the previous article. Please refer to the previous article for the detailed steps. You can get a 30-day trial of CockroachDB Dedicated following this link.

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