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    Type:Task 
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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: Sharding
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        Fully Compatible
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        Sharding 2021-02-22
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Following the coordinator/participant model from SERVER-52755/SERVER-52754, this ticket is to fit the 'reshardCollection' flow in that model, so it can properly serialise with concurrent DDL, this job also includes creating the _shardsvrReshardCollectionCommand.
- is depended on by
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                    SERVER-52813 No-stepdown concurrency suites for the new DDL paths -         
- Closed
 
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- is duplicated by
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                    SERVER-53089 Create the _shardsvrReshardCollectionCommand -         
- Closed
 
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- related to
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                    SERVER-53569 Test behavior of running data placement commands during a resharding operation -         
- Closed
 
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