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Map/Reduce mappers shouldn't be called with modifiable values. #150

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
Map/Reduce mappers are currently passed the stored value as a modifiable map.
This is an unnecessary waste of cpu and memory resources, given that values are 
transformed into modifiable maps upfront, and mappers don't modify any value 
anyways.

Original issue reported on code.google.com by sergio.b...@gmail.com on 15 Jan 2011 at 5:07

GoogleCodeExporter commented 9 years ago

Original comment by sergio.b...@gmail.com on 21 Jan 2011 at 6:17