https://sandgraal.github.io/letstalkcdc Learn why Change Data Capture (CDC) projects fail and how to build scalable, reliable, and production-ready data pipelines. en Tue, 19 May 2026 03:55:03 GMT https://sandgraal.github.io/letstalkcdc/tests/ https://sandgraal.github.io/letstalkcdc/tests/ Run acceptance tests for the Kafka + Debezium lab: stack up, connector healthy, topic has change events, and (optional) chaos smoke. Tue, 19 May 2026 03:55:03 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/intro/ https://sandgraal.github.io/letstalkcdc/intro/ An interactive dashboard covering core CDC concepts, methods, architectures, and the tooling ecosystem. Wed, 13 May 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/case-study/ https://sandgraal.github.io/letstalkcdc/case-study/ A comprehensive walkthrough of a real-world CDC implementation for e-commerce analytics, covering architecture decisions, implementation challenges, and business outcomes. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/connector-builder/ https://sandgraal.github.io/letstalkcdc/connector-builder/ Generate Debezium connector configs with the right settings for DLQ, snapshot modes, and filtering. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/debezium-decoder/ https://sandgraal.github.io/letstalkcdc/debezium-decoder/ Paste Kafka records to inspect metadata, view before/after diffs, and generate MERGE templates — all in-browser. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/dlq-triage/ https://sandgraal.github.io/letstalkcdc/dlq-triage/ Guided DLQ troubleshooting for Kafka Connect/Debezium: list DLQ messages, inspect headers, decode payloads, and map errors to fixes. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/errata/ https://sandgraal.github.io/letstalkcdc/errata/ Corrections, caveats, and sharp edges in CDC systems. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/event-envelope/ https://sandgraal.github.io/letstalkcdc/event-envelope/ Break down the structure of CDC change events and learn how at-least-once or exactly-once delivery affects consumers. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/exactly-once/ https://sandgraal.github.io/letstalkcdc/exactly-once/ A deep dive into at-least-once vs. exactly-once semantics, idempotency, and the transactional outbox pattern for reliable data pipelines. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/from-change-capture-to-ci/ https://sandgraal.github.io/letstalkcdc/from-change-capture-to-ci/ How treating data pipelines like code bridges the gap between CDC and CI/CD. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/lab-kafka-debezium/ https://sandgraal.github.io/letstalkcdc/lab-kafka-debezium/ A complete guide to building a real-time Change Data Capture pipeline using Docker, Postgres, Kafka, Debezium, and JDBC Sink connector—from source to destination. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/materialization/ https://sandgraal.github.io/letstalkcdc/materialization/ Translate CDC change events into reliable warehouse tables with upsert, delete, and history-friendly patterns. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/multi-tenancy/ https://sandgraal.github.io/letstalkcdc/multi-tenancy/ Interactive explorer for multi-tenant CDC: isolation levels, topic strategy, consumer groups, and egress sizing with shareable presets. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/observability/ https://sandgraal.github.io/letstalkcdc/observability/ Monitor CDC connectors with golden signals, actionable dashboards, and alerting policies that keep downstream consumers safe. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/ops-offsets/ https://sandgraal.github.io/letstalkcdc/ops-offsets/ Operate CDC pipelines with confidence by hardening offset storage, planning safe rewinds, and scripting replay drills. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/partitioning/ https://sandgraal.github.io/letstalkcdc/partitioning/ Learn partitioning and reconciliation for CDC: choosing keys, handling skew, preserving per-key order, and making late arrivals safe with version and watermarks. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/quickstarts/ https://sandgraal.github.io/letstalkcdc/quickstarts/ Hands-on, practical Change Data Capture quickstart guides for Postgres, MySQL, and Oracle. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/reconciliation-surgery/ https://sandgraal.github.io/letstalkcdc/reconciliation-surgery/ Advanced CDC operations: repair out-of-sync sinks with SQL diffs, verify data integrity with checksums, and safely reset offsets using the Kafka Connect REST API. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/schema-evolution/ https://sandgraal.github.io/letstalkcdc/schema-evolution/ Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/snapshotting/ https://sandgraal.github.io/letstalkcdc/snapshotting/ Learn how to handle the initial data load (snapshotting) in a CDC pipeline consistently and without data loss. Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/strategy/ https://sandgraal.github.io/letstalkcdc/strategy/ Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/tooling/ https://sandgraal.github.io/letstalkcdc/tooling/ Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis https://sandgraal.github.io/letstalkcdc/use-cases/ https://sandgraal.github.io/letstalkcdc/use-cases/ Fri, 06 Feb 2026 00:00:00 GMT Christopher Ennis