DevPinterest Engineeringabout 5 hours ago
Automated Schema Evolution in Pinterest's Next-Generation DB Ingestion Framework
13 min read
Pinterest built automated schema evolution into its next-generation CDC-based ingestion platform using Kafka, Flink, Spark, and Iceberg. The system handles upstream schema changes as a cross-system contract across ingestion, transformation, storage, and historical backfill. Careless schema handling can break the pipeline.
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