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Summary
Is CockroachDB with remote Postgres supported by OMi?
Question
Is CockroachDB with remote Postgres supported by OMi?
Answer
CockroachDB with remote Postgres is NOT supported by OMi. It's not a PostgreSQL distribution but a completely different DB.
CockroachDB is built to be largely compatible with PostgreSQL, meaning that software written to use PostgreSQL can sometimes (often!) be used with CockroachDB without changes.