Details
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Task
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Status: Closed
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Major - P3
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Resolution: Won't Fix
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None
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QE 2022-09-19, QE 2022-10-03, QE 2022-10-17
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2
Description
As part of PM-2371 we collected a perf profile for the SBE engine with the new SBE plan cache. Based on the collected results it appeared that the classic engine is still ~20% faster when executing IDhack plans and the plan cache project couldn't close this gap. We still spend a lot of time recovering the plan from the cache and preparing for execution in SBE. The classic engine does it dead simple but exercising through a fast path of constructing a plan consisting of a single stage. We need to find a way to allow the SBE engine to compete on this type of queries with the classic engine.
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