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                                            kitein9t

Set reducer‘s numbers failed

I am using Hadoop streaming with -io typedbytes and set mapred.reduce.tasks=2, but I finally got only one output file. And if I set mapred.reduce.tasks=0, then I got many output files....

Set the number of reducer failed when using typedbytes

I am using Hadoop streaming with -io typedbytes and set mapred.reduce.tasks=2, but I finally got only one output file. And if I set mapred.reduce.tasks=0, then I got many output files....