Apache Kafka - Real-time Stream Processing (Master Class) - Implementing Interactive Query Micro-service

The video tutorial explains how to implement an interactive query system using Kafka Streams. It covers setting up RPC endpoints, creating a REST service with Spark Java, and managing Kafka stream states. The tutorial also details building a query server to retrieve data from state stores, handling both local and remote data. Finally, it summarizes the steps and demonstrates the request-response process.

How does the application ensure that the query server is not active during inconsistent states?

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What are the two utility functions needed for the query server, and what do they do?

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What is the role of the metadata in retrieving data from the state store?

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What steps are involved in implementing the query server?

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