unmanaged wrote:

Googlers Jeff Dean and Sanjay Ghemawat have an article, "MapReduce: Simplified Data Processing on Large Clusters", in the January 2008 issue of Communications of the ACM.

It is a great introduction to MapReduce, but what I found most interesting was the numbers they cite on usage of MapReduce at Google.

Thanks for the pointer to this discussion. Last month I recommended the CACM paper on MapReduce.

RE: MapReducing 20 petabytes per day/ Google's guts!