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Type: Improvement
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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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None
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Query Execution
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200
SERVER-51556 implemented $substrBytes expression in SBE, which enabled Aggregation.IdentityView.ExpressionObject mongo-perf/testcases/pipelines.js testcase to run in SBE, which caused 40% perf regression.
This ticket needs to ensure that as part of SPM-3243 we recover this perf regression.