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    Type:Bug 
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    Resolution: Done
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    Priority:Major - P3 
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    Affects Version/s: 2.6.1
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    Component/s: Diagnostics, Sharding
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    None
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        Fully Compatible
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        ALL
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        Sharding 2020-03-09
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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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Now that we don't print any status information about migration cleanups in the logs anymore, we should have a way to track at least the number of active cleanups.
One way is to expose getDeleter()>getStats()>getCurrentDeletes() in the server status.