Re^2: Netflix (or on handling large amounts of data efficiently in perl)


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Re^2: Netflix (or on handling large amounts of data efficiently in perl)

by mirod (Canon)

on Dec 24, 2008 at 14:10 UTC ( [id://732463]=note: print w/replies, xml )

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in reply to Re: Netflix (or on handling large amounts of data efficiently in perl)
in thread Netflix (or on handling large amounts of data efficiently in perl)

It really depends what processing needs to be done on the data. You are trading space for speed. Here if you need to get all the data for a movie, you will need to go through all of the users. So before choosing a format to store the data, it might be useful to know what you want to do with it first.