Count them as you sink using the Counters functionality of Hadoop Map/Reduce (If you're using MultipleOutputs, it has a way to enable counters for each name used). You can then aggregate related counters post-job, if needed.
On Tue, Mar 8, 2011 at 3:11 PM, Jun Young Kim <juneng...@gmail.com> wrote: > Hi. > > my hadoop application generated several output files by a single job. > (for example, A, B, C are generated as a result) > > after finishing a job, I want to count each files' row counts. > > is there any way to count each files? > > thanks. > > -- > Junyoung Kim (juneng...@gmail.com) > > -- Harsh J www.harshj.com
