7 kyu
Order Error Rate Over the Past Hour
120bornForThis
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SQL
Databases
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You could add to the description that "percentage of orders" only refers to the count of processed orders here, not to the combined total orders.
i second this. i spent half an hour debugging only to find out that the denominator is the number of successful orders, not the total number of orders. which means we do not compute a rate (betwenn
0and1by definition), but a ratio that can potentially be greater than1(5 errors for each success for example). it's counter-intuitive because the usefulness of expressing this ratio as a percentage is not clear either.