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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: Aggregation Framework
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None
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Fully Compatible
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v3.4
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Query 2017-01-23
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0
_mongod->isSharded() is called with every DocumentSourceLookUp::getNext() call. This call is expensive as it acquires a lock via AutoGetCollectionForRead.
- is related to
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SERVER-27616 Fix $lookup/$graphLookup foreign collection sharding check race condition
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- Backlog
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- Closed
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