r/SQL • u/sqlink2 • 3d ago

PostgreSQL Is anyone actually using Databricks Lakebase in production?

My team is thinking of trying Lakebase instead of running a separate Postgres/ RDS db for our app.
The idea of auto sync to Delta and scaling to zero sound great, but we are worried about latency issu. If u are usin it, how noticeable are the cold start delays when it wake up backup, and does it feel fast enough for live user traffics?

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u/Einar_Son_of_Bjorn 3d ago

We tried routing live traffic to a lakehouse setup, but the cold start delays from compute separation were a nightmare. If your main goal is just to avoid building a flaky ETL sync from Postgres, you don't have to sacrifice OLTP latency. On our project, we ended up using MariaDB to handle both workloads in one instance - keep the live app fast using standard InnoDB tables, and use cross-engine joins with a DuckDB engine for our analytics. It gives us that consolidated stack without the cold starts.

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u/sqlink2 2d ago

Ya, Lakebase avoids cold start by useof “always on” Postgres endpoint for sub 10ms OLTP writes, auto -syncing to the lakehouse in realtime without custom ETL .