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MapReduce, mail # user - how to differentiate which input directory current record comes from?


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how to differentiate which input directory current record comes from?
Xiaowei Li 2012-12-14, 18:45
hi,

my MR job has multiple inputs, and I wanna how to differentiate which input
directory current row/record comes from in my mapper?

thanks!
-xw
+
Sigurd Spieckermann 2012-12-15, 10:17