Check the Job Counters for "Map Output bytes" before and after setting compression.
On Mon, Jun 18, 2012 at 7:47 PM, unionx <[email protected]> wrote: > I have set up hadoop-lzo and elephant-bird, and I see them well loaded > before the job, and the pig scripts can handle lzo files. > > > The question is, how do I know they have worked? If there is some way to > see the map output? I just want to know the map output has been compressed.
