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Showing posts with the label Mapreduce
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
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
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
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
Hadoop-streaming : Reduce Task In Pending State Says "No Room For Reduce Task."

Hadoop-streaming : Reduce Task In Pending State Says "No Room For Reduce Task."

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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."