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From Abhishek Anand <>
Subject Finding unique across all columns in dataset
Date Mon, 19 Sep 2016 09:05:44 GMT
I have an rdd which contains 14 different columns. I need to find the
distinct across all the columns of rdd and write it to hdfs.

How can I acheive this ?

Is there any distributed data structure that I can use and keep on updating
it as I traverse the new rows ?


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