98 articles tagged with "Data Engineering"

Measure P95/P99 before paying for provisioned concurrency — choose on‑demand or provisioned to balance tail latency, cost, and spikes.

Certifications can open screens, but salary follows role scope, production ownership, and measurable impact.

Explains how IoT Core ingests, filters, and routes device events, plus guidance on scaling, replay, and reliability.

Seven Databricks warehouse HA patterns to meet RTO/RPO: scaling, AZ resilience, failover, retries, stateless compute, standbys, isolation.

Design Airflow DAGs for safe retries and idempotent publishing: task boundaries, sensors, schedules, timeouts, and testing.

Use streaming events plus historical context to detect fraud across banking, e‑commerce, insurance, and telecom—making fast, accurate risk decisions.

Checklist for secure data migration: planning, encryption, access controls, logging, testing, cleanup, and post-move governance.

Checklist to secure event-driven systems: map flows, enforce least privilege, validate schemas, protect identities, control retries, and audit.

Prevent and contain schema drift in event streams: pin contracts, run compatibility and staging tests, use DLQs and staged rollouts.

Guide to ClickHouse architecture: columnar storage, MergeTree parts, partitions, shards, replicas, Distributed tables, and query flow.

Repeatable champion-challenger process for lakehouse ML: shared features, registry aliases, shadow/canary tests, logging, and rollback.

Use LIME to explain single-model predictions: build local samples, fit a weighted surrogate, and verify stability, fidelity, and scope.