VECTOR-DATABASES5 MIN READ
Dialogue: Explain Why top_k Is Not Quality
Explain the precision-recall trade-off of top_k in stakeholder language.
Leo L Product manager 1 Clarify risk 2 Name trade-off 3 Propose test The ask 20 sec PM pressure Leo says, "We missed three answers yesterday. Set top_k to 50 so the model has more context." The request is reasonable, but the knob affects recall and precision differently. missed answers 50 requested top_k The formula
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