Looks like it is not an issue in Tez. Looking at the code, MRCombiner handles both old and new fine and it is set on OnFileSortedOutput and ShuffleMergedInput.
On Wed, Nov 6, 2013 at 11:19 AM, Rohini Palaniswamy <[email protected] > wrote: > Is Tez also affected by > https://issues.apache.org/jira/browse/MAPREDUCE-5221 ? i.e is the > combiner applied on both sides of an edge or only on the outbound side > (map) and not on the inbound side (reduce) for new MR api ? > > Regards, > Rohini >
