Two additional counters shouldn't be expensive. But do consider if the already available "map input records" / "(map|reduce) output records" suit your need for such counters.
On Sat, Mar 19, 2011 at 4:33 AM, Andreas Paepcke <[email protected]> wrote: > I'm writing a load/store pair, and I am considering the use > of two Hadoop counters (via reporter). They would could the number > of records read/written, so that they would be available via > the job WebUI. > > Is this an overly expensive proposition? > > Thanks, > > Andreas > -- Harsh J http://harshj.com
