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    Type:
Bug
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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
 
- 
        Fully Compatible
 - 
        ALL
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        v5.0, v4.4
 - 
        Sharding 2020-08-10, Sharding 2020-08-24
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        126
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        None
 
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        None
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        None
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        None
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        None
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        None
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        None
 
Things like refine shard key uses transactions, which has a very low lock timeout and can hit the timeout very easily when the node is undergoing a replica set transition.