Who knows which framework PHP is currently dealing with the big data volume is more sharp?

Who knows which framework PHP is currently dealing with the big data volume is more sharp??
A few days ago to interview a company, Mister said the work is to reconstruct the original system, because the amount of data has reached tens of millions, the original architecture model, as well as the database design to be re-made, is currently considering using the existing framework rewrite system, I hope the great God guidance twos, I just graduated, novice one, to help big data PHP database Framework

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The framework only provides some basic skills, the specific structure of your own according to the actual situation to design
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Clear the redundant code, change the database to look at the optimization, or use other caching tools to try.

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