Parquet Best Practices - Fast queries, cheap storage, clean schemas: partitioning, file sizing, predicate pushdown, S3 byte-range, and Postgres parquet_s3_fdw integration
GeoParquet Best Practices - Fast spatial, clean metadata, real pushdown: WKB geometry, GeoParquet metadata/CRS (PROJJSON, OGC:CRS84 default), S3 serving, and parquet_s3_fdw integration with row-group filtering
Data Engineering - Designing robust ETL pipelines and real-time processing
Deep Dive: Why Most Data Pipelines Fail — Organizational and architectural failure modes: schema drift, ownership ambiguity, implicit contracts, and the CI/CD gap that operational tooling cannot fix
Deep Dive: Prefect vs Airflow — Orchestration philosophy, execution model architecture, failure semantics, and decision framework for workflow tool selection