Hadoop DP Notes
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hadoop fs -stat
Hadoop stat returns the stats information on a path. The syntax of stat is shown below:
hadoop fs -stat URI
> hadoop fs -stat /user/DPhadoop/
2017-01-24 07:53:04
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What are the main components of Mapreduce Job ?
Main driver class which provides job configuration parameters. Mapper class which must extend org.apache.hadoop.mapredu...
TO_CHAR
This will be used to extract various date formats. The available date formats as follows. Syntax: to_char ( date , fo...