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Type:
Improvement
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Resolution: Unresolved
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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Query Execution, Query Integration
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Currently we do report planSummary, but do not report QuerySolution hash in slow query logs. Reporting in slow query logs could help to easily understand what was the plan used, without checking the summary string.
We could also make the hash stable, which would enable us to:
- easily track the winning plan across restarts and shards
- officially report it in explain (currently hidden under query knob by
SERVER-108725)
- is depended on by
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SERVER-83234 Allow users to hint plans using the QuerySolution hash
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- Needs Scheduling
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- is related to
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- Backlog
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SERVER-108725 Expose running a query using the plan corresponding to a QSN hash
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- Closed
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