Details
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Bug
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Status: Closed
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Minor - P4
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Resolution: Duplicate
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None
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None
Description
An index may look good initially, but be less effective later on, during the getMore stage. Now that we have a MultiPlanScanner we could potentially try out alternative indexes in mid stream and select a better performing candidate.
Attachments
Issue Links
- duplicates
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SERVER-15225 CachedPlanStage should execute for trial period and re-plan if query performs poorly
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- Closed
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- is related to
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SERVER-10026 New query system
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- Closed
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- related to
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SERVER-8664 Improve query optimizer sampling algorithm
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- Closed
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