NullOutputFormat does not generate any output. Good for jobs where
counters or some other I/O are your output (for example,
http://stackoverflow.com/questions/12707726/run-a-hadoop-job-without-output-file).
From Tom White's book it sounds like
org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat only generates a
file if at least one key/value pair is written.
Hope this helps,
Markus
On 07/01/2014 07:33 AM, Chris MacKenzie wrote:
Hi,
What is the anticipated usage of the above with the new api ? Is there
another way to remove the empty part-r files
When using it with MultipleOutputs to remove empty part-r files I have no
output ;O)
Regards,
Chris MacKenzie
<http://www.chrismackenziephotography.co.uk/>