How can you combine interactive queries with Kafka Streams' REST API to serve state store data in a distributed application?

hard📝 Application Q9 of 15

Kafka - Advanced Stream Processing

AStore all data in a centralized database and query it via REST

BUse REST API to write data directly to Kafka topics

CUse REST API only for configuration, not for querying data

DExpose endpoints that query local state stores and forward requests to other instances if needed

Step-by-Step Solution

Solution:

Step 1: Understand distributed querying with interactive queries
Each Kafka Streams instance holds part of the state; queries may need to be forwarded.
Step 2: Use REST API to expose local queries and forward requests
REST endpoints can query local stores and forward to other instances to get full data.
Final Answer:
Expose endpoints that query local state stores and forward requests to other instances if needed -> Option D
Quick Check:
Distributed queries = REST + forwarding [OK]

Quick Trick: Use REST to query local stores and forward to others [OK]

Common Mistakes:

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