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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

is it possible to connect to hadoop and run hive queries using Python 3.x? I am using Python 3.4.1.… Read more Hive Client For Python 3.x

I am trying to do what should be a simple task: I need to convert a text file to upper case using H… Read more Hadoop Streaming With Python: Keeping Track Of Line Numbers

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 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 am performing a hive query and storing the output in a tsv file in the local FS. I am running a f… Read more Remove Empty Line Printed From Hive Query Output Using Python

I am running a Hadoop program and have the following as my input file, input.txt: 1 2 mapper.py: i… Read more Hadoop: Output File Has Double Output

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."

I am using impyla module to connect to kerberized hadoop cluster. I want to access hiveserver2/hive… Read more Connecting To Kerberized Hadoop Cluster Using Python Module Impyla

I'm on a W8 machine, where I use Python (Anaconda distribution) to connect to Impala in our Had… Read more Connect To Impala Using Impyla Client With Kerberos Auth

I've seen the documentatio here, but I confess that I feel it rather lacking. I was wondering … Read more Python Udfs In Pig

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

I am very frustrated by Spark. An evening wasted thinking that I was doing something wrong but I ha… Read more Spark On Windows 10. 'files\spark\bin\..\jars""\' Is Not Recognized As An Internal Or External Command

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

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

I have data in form: 37101000ssd48800^A1420asd938987^A2011-09-10^A18:47:50.000^A99.00^A1^A0^A 37101… Read more Delimiting Carat A In Python

I have Hortonworks HDP 2.6.3 running Spark2 (v2.2). My test case is very simple: Create a Hive tab… Read more Spark 2.2 Thrift Server Error On Dataframe Numberformatexception When Query Hive Table