Hadoop streaming is a utility that allows running map-reduce jobs using any executable that reads from standard input and writes to standard output.
I have a dataframe with as many as 10 million records. How can I get a count quickly? df.count is …
scala apache-spark hadoop-streamingI am trying to take input from sys.stdin. This is a map reducer program for hadoop. Input file is …
python pandas hadoop-streamingI've tried running hive -v -f sqlfile.sql Here is the content of the file CREATE TABLE UpStreamParam ( 'macaddress' CHAR(50), …
hadoop hive hadoop-streamingI am trying to execute the below code package test; import java.io.IOException; import java.util.*; import org.apache.…
hadoop mapreduce hive hadoop-streaming hadoop-pluginsI have a bit of a problem. I want to learn about Hadoop and how I might use it to …
hadoop real-time bigdata hadoop-streamingHey I'm fairly new to the world of Big Data. I came across this tutorial on http://musicmachinery.com/2011/09/04/how-to-process-a-million-songs-in-20…
python hadoop mapreduce hadoop-streaming mrjobI am new to hadoop. I followed the maichel-noll tutorial to set up hadoop in single node.I tried running …
java hadoop jar hadoop-streamingHow to decide when to use a Map-Side Join or Reduce-Side while writing an MR code in java?
hadoop mapreduce hadoop-streamingProblem: When I submit a job to my hadoop 2.2.0 cluster it doesn't show up in the job tracker but the …
java hadoop hadoop-streaming yarnI need to compare a large number of strings similar to 50358c591cef4d76. I have a Hamming distance function (…
python performance hadoop-streaming