Data Warehouse Engineering

Topology matters more than tool choice when combining multiple databases into one warehouse.

Schema changes break CDC pipelines at predictable boundaries between layers.

Compare CDC mechanisms, latency, and operational burden to find your next replication tool.

Log-based capture and schema handling divide managed CDC services for multi-source replication.

Managed services handle log capture and delivery.

Mature log-based engine excels at fan-in, but requires operational oversight.

Self-managed Kafka CDC costs far more than open-source pricing suggests.

AWS DMS was built for time-limited migrations, not permanent production pipelines.

Transaction logs record changes in order, enabling efficient capture without table scans.

Master seven recovery patterns to fix CDC pipeline failures without downtime or data loss.