In the third meeting of Data Mining Reading Group, we reviewed the famous MapReduce paper from ACM SIGMod 2007. It was presented by Raja Peer.
Map-reduce-merge: simplified relational data processing on large clusters
International Conference on Management of Data archive
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
Thursday, January 29, 2009
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I think that merger in Map-Reduce-Merge is equivalent to another reducer which need not to use mapper.
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