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Showing posts with the label Mapreduce
Python Udfs In Pig

Python Udfs In Pig

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I've seen the documentatio here, but I confess that I feel it rather lacking. I was wondering … Read more Python Udfs In Pig
Running A Job Using Hadoop Streaming And Mrjob: Pipemapred.waitoutputthreads(): Subprocess Failed With Code 1

Running A Job Using Hadoop Streaming And Mrjob: Pipemapred.waitoutputthreads(): Subprocess Failed With Code 1

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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
Mapreduce In Pymongo

Mapreduce In Pymongo

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

Appengine Mapreduce Ndb, Deadlineexceedederror

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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
Flatten A Dictionary Of Dictionaries (2 Levels Deep) Of Lists

Flatten A Dictionary Of Dictionaries (2 Levels Deep) Of Lists

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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
Read Avro File Using Python

Read Avro File Using Python

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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