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In my MapReduce jobs, I pass a product name to the Mapper as a string argument. The Mapper.py scrip… Read more Mapreduce How To Allow Mapper To Read An Xml File For Lookup

I have an AVRO file(created by JAVA) and seems like it is some kind of zipped file for hadoop/mapre… Read more Read Avro File Using Python

I have a Mapper that is going through lots of data and emitting ID numbers as keys with the value o… Read more How To Get The Reducer To Emit Only Duplicates

My question is similar to : hadoop streaming: how to see application logs? (The link in the answer … Read more Hadoop Streaming: Where Are Application Logs?

I have a Mapper that is going through lots of data and emitting ID numbers as keys with the value o… Read more How To Get The Reducer To Emit Only Duplicates