Uber stops full-table scans on privacy exports with Hudi column stats
Fulfilling one DSAR used to mean scanning the entire trip history at Uber. Its export workloads return a handful of records but repeatedly read the hottest regions of a GCS-backed lakehouse, inflating storage, retrieval, egress, and latency costs. The fix: Apache Hudi column stats, sorting, and clustering so narrow predicates scan only what they need, plus GCS auto-class tiering to keep cold data cold.