Durable execution explained: how event-sourced replay makes workflows crash-proof - deterministic code, event history, Temporal vs Restate vs DBOS trade-offs and failure modes.
KEDA event-driven autoscaling explained: how the scaler, metrics adapter and controller drive HPA from queue depth and event sources - scale-to-zero, cold starts, 60+ scalers and production tuning on Kubernetes in 2026.
Change data capture with Debezium: log-based CDC architecture - the transaction-log reader, Kafka Connect topology, schema evolution, exactly-once delivery, snapshots and the outbox pattern for reliable event streaming in 2026.
ClickHouse vs Druid vs Pinot: a real-time OLAP architecture decision record - ingestion, indexing, upserts, concurrency, star-schema joins and the cost/latency trade-offs for user-facing analytics in 2026.
Database branching for ephemeral environments: copy-on-write storage, branch-per-PR workflows, data masking, schema-diff migration testing and the cost/consistency trade-offs of Neon, PlanetScale and Postgres CoW in 2026.
Airflow vs Dagster vs Prefect compared: execution model, asset vs task orchestration, backfills, dynamic pipelines, observability, and a decision matrix for 2026.
A hands-on Kafka KRaft tutorial: the metadata quorum, migrating a ZooKeeper cluster to KRaft, controller sizing, rollback, and operating KRaft in production in 2026.
An architecture decision record on the WebAssembly Component Model server-side: WASI Preview 2, cold-start, isolation, and when Wasm beats containers in 2026.