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    Type:Improvement 
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    Resolution: Fixed
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    Priority:Major - P3 
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    Affects Version/s: None
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    Component/s: Aggregation Framework, MapReduce
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    None
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        Fully Compatible
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        Query 2019-10-21, Query 2019-11-04
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All of the FSM workloads that use mapReduce are blacklisted from the sharded concurrency suites due to SERVER-20057 among other things.
Once we complete the migration of mapReduce's implementation to the aggregation framework we should be able to re-enable all of these.
- is depended on by
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                    SERVER-44089 Add test that runs mapReduce in a sharded cluster while chunk migrations occur -         
- Closed
 
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- is duplicated by
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                    SERVER-34539 Re-enable sharded mapReduce concurrency testing and only use a single mongos -         
- Closed
 
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- is related to
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                    SERVER-43251 Investigate whether mapReduce tests can be used in stepdown suites -         
- Closed
 
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