// tag archive

duplicate-messages

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Cover image of a dark‑mode developer workstation with a glowing green terminal and subtle neon accents, illustrating the Idempotent Kafka Consumer Duplicates debugging guide.

Idempotent Kafka Consumer Duplicates: Debugging Guide 2026

Your idempotent Kafka consumer still writes duplicate rows—session timeouts and rebalance windows cause repeats. Follow our 2026 checklist…

October 27, 2026 · 10 min read