I\'m a PHP developer. Let\'s just get that out of the way now. But Hadoop – and Mahout in particular – have piqued my interest. I\'m ready to take the dive into Java in order to use them.
I have created the following shell script for invoking a hadoop job: #!/bin/bash /opt/hadoop/bin/hadoop jar /path/to/job.jar com.do.something <param-1> ... <param-n> &
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this
I\'m trying to implement the Page开发者_运维百科Rank algorithm on Hadoop platform with Eclipse, but I\'m facing some unusual problems :). I tried this locally: installed cygwin, set up Hadoop 0.19.2 (
I am trying to build my project using Eclipse on Windows and execute on a Linux cluster. The project depends on some external jars, which I enclosed using eclipse\'s \"Export->Runnable JAR -> Package
Using apache pig and the text hahahah.my brother just didnt do anything wrong. He cheated on a test? n开发者_Go百科o way!
In Hadoop you can use the secondary-sort mechanism to sort the values before they are sent to the reducer.
the value ouput from my map/reduce is a bytewritable array, which is written in the output file part-00000 (hadoop do so by default). i need this array for my next map function so i wanted to keep thi
first of all thanks for showing interest. I\'m Adarsh Sharma presently working on Hadoop Technologies such as Hive, Hadoop, HadoopDB , Hbase etc.
this time someone should please relpy iam struggling with running my code using distributed cahe. i have already the files on hdfs but when i run this code :
加载中,请稍侯......