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August 18, 2020: introduce Mr process?
2020-11-06 21:55:00 【Fuda Dajia architect's daily question】
Fogo's answer 2020-08-18：
come from 【MapReduce Detailed explanation of execution process and operation principle 】 answer
MapReduce Executive 4 Stages , Respectively Split Stage —> Map Stage —> Shuffle Stage —> Reduce Stage .
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