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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?

Pytjon UDF : @outputSchema('word:chararray') def helloworld(): return 'Hello, World&#… Read more Encountered Ioexception While Registering Python Udf In Pig. File Helloworld.py Does Not Exist

Is it possible to save files in Hadoop without saving them in local file system? I would like to do… Read more Is It Possible To Save Files In Hadoop Without Saving Them In Local File System?

I am trying to use subprocess.popen to run commands on my machine. This is what I have so far cmdve… Read more Subprocess Popen To Run Commands (hdfs/hadoop)

I need to run a Hadoop jar job using Luigi from python. I searched and found examples of writing ma… Read more Running Hadoop Jar Using Luigi Python

We have a hive warehouse, and wanted to use spark for various tasks (mainly classification). At tim… Read more Reading And Writing From Hive Tables With Spark After Aggregation

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

I posted a similar question about an hour ago, but have since deleted it after realising I was aski… Read more Loading A Defaultdict In Hadoop Using Pickle And Sys.stdin

I have a mapper and reducer that work fine when I run them in the piped version: cat data.csv | ./m… Read more Aws Elastic Mapreduce Doesn't Seem To Be Correctly Converting The Streaming To Jar

I would like to populate a database of Postgresql by using a mapper with MrJob and Hadoop 2.7.1. I … Read more How To Populate A Postgresql Database With Mrjob And Hadoop

Is it possible to save files in Hadoop without saving them in local file system? I would like to do… Read more Is It Possible To Save Files In Hadoop Without Saving Them In Local File System?

I have installed, pip install thrift pip install PyHive pip install thrift-sasl and since pip ins… Read more Pyhive, Sqlalchemy Can Not Connect To Hadoop Sandbox

I am trying to read a JSON file, from Amazon s3, to create a spark context and use it to process th… Read more Connect To S3 Data From PySpark

I'm currently using Python 3 and would like to load a pickle file out of HDFS. from pywebhdfs.… Read more Unpickle File From HDFS