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3 results
Article Product Engineering

WebSockets — Building Real-Time Features

Connection lifecycle, heartbeats, reconnection logic, and scaling with Redis pub/sub.

WebSocket real-time Redis pub/sub heartbeat reconnection
3 views Mar 30, 2026
Article Data & Platform

Stream Processing with Apache Flink

Event time vs processing time, windows, stateful operators, and production deployment.

Flink stream processing event time watermarks windows
3 views Mar 30, 2026
Article Data & Platform

Running Data Workloads on Kubernetes

Spark on K8s, Airflow on K8s, resource requests, and storage patterns.

Kubernetes K8s Spark Airflow KubernetesExecutor
2 views Mar 30, 2026