Posts

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• Data This Week #12

  26 Apr, 2026 · 5 min read

  Cold Postgres data to S3 lakehouse, Databricks Lakeflow Designer, vector databases & HNSW indexing, Salesforce migration best practices, SwiftLake for Iceberg, and data observability lessons.

• Data This Week #11

  19 Apr, 2026 · 5 min read

  Iceberg cross-account migrations, DuckLake 1.0 metadata, IaC for data engineers, Redshift Iceberg writes, agent-data patterns, LARQL for LLM graph queries, and Dagster pricing debate.

• Data This Week #10

  12 Apr, 2026 · 5 min read

  Data product lifecycle, semantic context layer for LLM agents, Netflix's Druid interval caching, Ursa Kafka storage engine, Iceberg v3 VARIANT type, and Ministack vs LocalStack.

• Data This Week #9

  5 Apr, 2026 · 5 min read

  DuckLake's 926x Iceberg speedup, Expedia's Trino Gateway for workload routing, Ontul unified SQL engine, PostgreSQL memory myths, and a 6-tier FFLIIP streaming lakehouse deep-dive.

• Data This Week #8

  22 Mar, 2026 · 4 min read

  Pydantic for schema contracts, Databricks Vector Search pitfalls, stateless Kafka broker Tansu, Capital One's GenAI agent, RAG as a DE problem, and testing culture in data teams.

• Data This Week #7

  15 Mar, 2026 · 4 min read

  Netflix's RDS-to-Aurora PostgreSQL migration, DuckDB cost optimization, real-time dashboards with LISTEN/NOTIFY, Airflow on Minikube, and the dbt vs. SQLMesh debate in 2026.

• Data This Week #6

  8 Mar, 2026 · 4 min read

  Xiaomi's unified lakehouse with Doris & Paimon, Top-K in Postgres, dbt run monitoring, PostgreSQL internals, Netflix's DataJunction semantic layer, and schema evolution debates.

• Data This Week #5

  1 Mar, 2026 · 4 min read

  Spark DAG compilation deep dive, query federation with StarRocks, Pinterest's CDC migration, CyberArk AI with Iceberg, Databricks Zerobus Ingest, and data quality tooling debates.