Hadoop Map -reduce job

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I have a input file which contains the graph edges as follows. input.txt 1 2 1 3 2 3 1 4

From the above input, I want to get the output with edges of lower degree in first place and higher degree vertex in second place. I want it to implement it as a map reduce program.

Sample o/p: 2 1 3 1 2 3 1 4

asked 41 secs ago

user846445

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Hadoop Map -reduce job