Leverage Real-Time Clickstream Data Using ksqlDB and Elasticsearch

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This post details building an end-to-end IoT motion detection and alerting system using Confluent Cloud and ksqlDB. It covers hardware choices (Raspberry Pi Zero W), software components (Motion, librdkafka, Docker), and the architecture for ingesting motion events into Kafka. The system utilizes ksqlDB for real-time stream processing and querying, enabling both real-time monitoring with push queries and historical event search with pull queries. The UI is built with React and Next.js, demonstrating how to leverage real-time clickstream data using ksqlDB and Elasticsearch for analysis and visualization.