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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: Replication
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    None
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        Fully Compatible
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        ALL
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        v5.0, v4.4
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        Repl 2021-05-31
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        155
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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
The OplogApplier's writerPool needs to be correctly shutdown and joined when replication coordinator shuts down.