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    Type:Improvement 
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    Resolution: Duplicate
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    Priority:Major - P3 
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    Affects Version/s: None
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        Sharding
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The MongoS implementation of map/reduce should be moved to a separate file and it should also be split into smaller stages from the huge monolithic piece of code that it currently is.
- duplicates
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                    SERVER-42677 M/R Agg: Remove old mongos MR code -         
- Closed
 
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