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Type: New Feature
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Resolution: Unresolved
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Priority: Major - P3
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None
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Affects Version/s: None
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Component/s: None
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Query Optimization
There are several internal use cases for broadcasting queries (SERVER-73557, SERVER-45032, SERVER-34633, SERVER-69219), and in fact some of the machinery to achieve this is already done. This ticket tracks a more generic user-facing solution which could involve a new readConcern and/or readPreference, however more discussion is needed to decide on the exact semantics and user-facing behavior (e.g. duplicate results, explain, $currentOp).
- related to
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SERVER-34633 Allow $currentOp to retrieve operations from all members of each shard in a cluster
- Closed
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SERVER-69219 Always broadcast queries using read concern level "available" to avoid missing unowned documents when filter includes equality on shard key fields
- Closed