Daily Archives: May 18, 2014

Hadoop Output Formats 2

Hadoop Output Formats We have discussed input formats supported by hadoop in previous post. In this post, we will have an overview of the hadoop output formats and their usage. Hadoop provides output formats that corresponding to each input format. All hadoop output formats must implement the interface org.apache.hadoop.mapreduce.OutputFormat. OutputFormat describes the output-specification for a Map-Reduce job. Based on Output specification, Mapreduce job checks that the output directory doesn’t already […]

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Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017