This is for Hadoop eco system like HDFS, Map reduce, Hive, Hbase, Pig, sqoop,sqoop2, Avro, solr, hcatalog, impala, Oozie, Zoo Keeper and Hadoop distribution like Cloudera, Hortonwork etc.
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What will happen if i try to run Hadoop Job with an output directory that is already present?
If output directory already present then hadoop job will throws an exception and will exit from running Job.
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