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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: Internal Code
AUTO_CAUSES_COPY
Unnecessary object copies can affect performance. Using the auto keyword without an & causes a copy.
/src/mongo/db/pipeline/document_source_exchange.cpp:409: AUTO_CAUSES_COPY 122701 Using the "auto" keyword without an "&" causes the copy of an object of type BSONElement.