How a Simple Warehouse Resize Saved Us 11% in Daily Credits While Boosting Performance

Our team hit a familiar Snowflake paradox: slower ETL runs arrived at the same time as FinOps alerts about rising credits. The warehouse in question was WH_ETL_BRONZE_01 , a multi-cluster warehouse dedicated to Bronze layer ingestion and merge workloads. What looked like a simple cost problem turned out to be a workload-isolation and concurrency problem. The Problem We started with this setup: ALTER WAREHOUSE WH_ETL_BRONZE_01 SET WAREHOUSE_SIZE = 'XSMALL' , MAX_CLUSTER_COUNT = 10 , MIN_CLUSTER_C