Note that the Reducer also does a merge sort over the acquired map data; but am not sure if you looked there as well.
Mariappan's pointed JIRA (MAPREDUCE-4807) is already available in the 2.0.3+ releases out today and in the current branch-2. It would be simpler to reuse that than do these modifications. On Sun, Apr 21, 2013 at 5:24 PM, Samaneh Shokuhi <[email protected]> wrote: > Hi All, > I have modified the MapTask.java file and tried to disable sort part for > some reasons . I have removed this line > *sorter.sort(MapOutputBuffer.this, kvstart, endPosition, reporter); *in > sortAndSpill method but no changes seen in result. I have expected to get > unsorted keys as mapper output but was not like that. > > My question is did i perform right action to disable sort or something else > needs to be done ? > > Samaneh -- Harsh J
