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(<-) Hadoop ecosystem Hadoop entities (->)

NoSQL: Hadoop commands


  • hadoop fs -ls
  • hadoop fs -put file.txt
  • hadoop fs -get file.txt
  • hadoop fs -tail file.txt
  • hadoop fs -cat file.txt
  • hadoop fs -mv
  • hadoop fs -rm
  • hadoop fs -mkdir
  • hadoop jar some/long/path.java  -mapper mapper.py -reducer reducer.py -file mapper.py -file reducer.py -input inputdir -output outputdir

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  • Copyright 2017 Gabor Szabo
  • Last updated at 2019-02-19T05:17:02