>From the Wiki: http://wiki.apache.org/hadoop/HadoopMapReduce
In simple cases, your combiner may simply be your reduce function/code applied to your map output before it's shuffled, sorted, and available for reduce tasks. (This is often the case with counting/simple aggregation). On Mon, Aug 2, 2010 at 11:39 AM, Jackob Carlsson <[email protected]>wrote: > Hi everyone, > Could anyone please help me to understand the function of combiner? > > Thanks in advance > Jackob > -- Zaki Rahaman
