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    Type:Improvement 
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    Resolution: Done
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    Priority:Major - P3 
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    Affects Version/s: None
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    Component/s: Concurrency, Index Maintenance
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Foreground index builds are 100% blocking - could they allow reads while they are building? That may minimize how disruptive they are.
- is duplicated by
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                    SERVER-3390 Forground Index Building shouldn't block readers -         
- Closed
 
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- is related to
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                    SERVER-18857 concurrent index create requested per database or per table -         
- Closed
 
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- related to
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                    SERVER-6883 index creation on secondaries need not block readers -         
- Closed
 
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