Thursday 17 January 2013

Executing Eclipse project

To open eclipse go to root and cd location of eclipse
type eclipse
Eclipse should open up create the classes

Create a MapReduce prooject and java class and export it to jar file and save it in some location.
Let this location be /usr/mr

type on hadoop bin
hadoop jar /usr/mr/wc.jar  [src folder]  [target folder]
hadoop jar /usr/mr/wc.jar  [i/p file]  //when output is getting saved in hbase tables or hdfs files mentioned in the code.
hadoop jar /usr/mr/wc.jar  //when both the locations are provided beforehand

No comments:

Post a Comment