submitAndMonitorJob() doesn't play nice with MultipleOutputFile
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Key: MAPREDUCE-2715
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2715
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Geoffrey Young
part of submitAndMonitorJob() balks if the output directory currently exists
but is non-empty:
"Error launching job , Output path already exists : "
this logic actually conflicts with the ideas behind MultipleOutputFile, where
the output file path is calculated later on.
it would be really nice to remove the restriction for non-empty output
directories in submitAndMonitorJob() so that MultipleOutputFile becomes more
useful - as it stands now, I can't, for example, specify a base output path
then use MutlipleOutputFile to partition by date on a daily basis.
thanks.
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