スケールしてくれるマネージドPostgresのサービス。その分お高そう。
https://www.citusdata.com/
www.citusdata.comCitus Data | Distributed Postgres. At any scale.Citus gives you all the greatness of Postgres plus the superpowers of distributed tables. By distributing your data and queries, your application gets high performance—at any scale. The Citus database is available as open source and as a managed service with Azure Cosmos DB for PostgreSQL.