Map Reduce programming isn't a terrific suit for all issues. It's beneficial for sincere facts solicitations and troubles that may be emoted into self sufficient gadgets; however it's now not talented for iterative and intelligent expository undertakings. Map Reduce is file severe. Since the hubs do not intercommunicate other than thru kinds and rearranges, iterative calculations require unique manual mix/sort-lower degrees to complete. This makes different statistics among Map Reduce levels and is wasteful for reducing edge diagnostic registering.

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