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SeeTheWork OSStabilize a failing event processorPreview · no time limit

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1# Keep one record per event, even after a retry.
2def process(event, store):
3    return store.insert_once(
4        event_id=event.id,
5        payload=event.payload,
6    )
7
8def test_duplicate_delivery(store):
9    process(event, store)
10    process(event, store)
11    assert store.count(event.id) == 1

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Product manager

Retries are creating duplicate invoices. How will you keep existing consumers compatible?

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