Paths/Backend Engineer/Queues & Async Work / Queue & Consumer Design
Size the Consumer Group
Consumers within a group split the partitions, and each partition is handled by exactly one of them. Write the consumer configuration.
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01Requirements
live checks- File ~/backend/queues/consumer.yaml exists○
- The config states the concurrency and the group○
- The config states the ordering guarantee and how offsets are committed○
02Walkthrough
1 of 3 revealed- 01
Write the consumer configuration
concurrency is how many messages one instance handles at once. More is not better once the downstream starts to lag.
echo 'consumer:\n group: order-workers\n concurrency: 8\n max_poll_records: 100' > ~/backend/queues/consumer.yaml - 2 locked · each failed submit reveals one
03Stuck?
0 of 3 revealedTake a hint without losing the lab — each one points at the thing to look at, not at the answer.
04AI Tutor
guides, never solvesTell me what you're stuck on — I'll nudge, not solve. Which requirement are you looking at?
04Notebook
saved locally in this browserlearner@lab — ubuntu:24.04
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