hadoop

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Post on 08-Dec-2015

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DESCRIPTION

Hadoop commands

TRANSCRIPT

hadoop fs -mkdir /hdfs56 " to create the directory "hadoop fs -ls / " to list down the all the files in the hadoop"hdfs data is shared .. once you delete the files .. data will be deleted in all the nodes at same timeCommand to load data from LFS to HDFS: "-put"syntax: hadoop fs -put