I\'m a newbie for Hadoop. Recently I just make an implementation of WordCount example. But when I run this programs on my single node with 2 input files , just 9 word, it cost nearly 33 second to do
Thanks for reading this one =) I\'m trying to figure out how to figure out how to limit query in HBql based on row ID. I\'ve spent hours, looking up to see if there\'s any relevant article online.
According to the attached image found on yahoo\'s hadoop tutorial, the order of operations is map > combine > partition which should be followed by reduce
How to register a UDF开发者_StackOverflow by using HUE API? I am using below code but it\'s unable to register it.
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I wish to write a file and create a directory in my local file system through m MapReduce code. Also if I create a directory in the working directory during the job execution, how can I mo开发者_如何转
I am working on a Monitoring Tool for Hadoop. I need to get the curren开发者_运维问答tly running jobtracker. How can I get that?Check out the <hadoopdir>/conf/mapred-site.xml configuration file.
I ran into these issues while using Hadoop Streaming. I\'m writing code in python 1) Aggregate library package
I\'ve been working on getting a hadoop / scala bridge working on my machine and when I\'m setting up the job I am getting the following error from the compiler.