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Type: Task
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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: manual
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Labels:None
As per SERVER-22048 (fixVersion 3.2.2) index access stats are not recorded for $match & mapReduce so the $indexStats information may be misleading.
This seems a notable caveat to mention in the documentation so users do not decide to drop "unused" indexes based on incomplete information.
Possible places to mention:
- is related to
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SERVER-22048 Index access stats should be recorded for $match & mapReduce
- Closed
- related to
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DOCS-7421 Comment on: "manual/tutorial/measure-index-use.txt"
- Closed