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A question about java web development

 
Sky Loi
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There is a Java position written test question. If we know the average payment transaction to DB is 40/per second, how to figure out the roughly number of simultaneous online user to open payment form page? Are there some factors we have to consider? Thank you.
 
Jeanne Boyarsky
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What ideas do you have so far?
 
Sky Loi
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I assume the average time user stay and fill in the payment form is between 3-5 mins. The assumption is the system could handle about 12,000 (40X5X60) simultaneous online users at the peak time. Does it make sense? Thanks.
 
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