python pyspark-actions-transformations.py

Posted 2021-05-09

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path = "/public/retail_db" or path = "/Users/itversity/Research/data/retail_db"
rdd = sc.textFile(path + "/orders")
rdd.reduce(lambda agg, ele: 
  agg if(int(agg.split(",")[2]) < int(ele.split(",")[2])) else ele
  )
rdd.top(2)
for i in rdd.takeOrdered(5, lambda x: -int(x.split(",")[2])): print(i)

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