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I have a quick Hadoop Streaming question. If I'm using Python streaming and I have Python packa… Read more Managing Dependencies With Hadoop Streaming?

I'm trying to follow along with this Codelab that shows you how to take data from your Google A… Read more Unicodeencodeerror For Google App Engine Datastore To Bigquery Process

My Mongo collection : Impressions has docs in the following format:- { _uid: 10, … Read more Mapreduce In Pymongo

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

we're trying to heavily use MapReduce in our project. Now we have this problem, there is a lot… Read more Appengine Mapreduce Ndb, Deadlineexceedederror

I am writing MapReduce job in Python, and want to use some third libraries like chardet. I konw tha… Read more Hadoop: How To Include Third Party Library In Python Mapreduce

Hey I'm fairly new to the world of Big Data. I came across this tutorial on http://musicmachin… Read more Running A Job Using Hadoop Streaming And Mrjob: Pipemapred.waitoutputthreads(): Subprocess Failed With Code 1

My map task completes successfully and I can see the application logs, but reducer stays in pending… Read more Hadoop-streaming : Reduce Task In Pending State Says "no Room For Reduce Task."

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?

Caveat: I am new to Google App Engine and Python, but I have managed to implement a PageRank algori… Read more I Would Like To Chain Multiple Mapreduce Jobs In Google App Engine In 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

I'm trying to wrap my brain around this but it's not flexible enough. In my Python script I… Read more Flatten A Dictionary Of Dictionaries (2 Levels Deep) Of Lists

I have worked on Hadoop MR for quite some time and I have created and used custom(extension) Writab… Read more Create Custom Writable Key/value Type In Python For Hadoop Map Reduce?