[SERVER-8664] Improve query optimizer sampling algorithm Created: 22/Feb/13  Updated: 14/May/15  Resolved: 14/May/15

Status: Closed
Project: Core Server
Component/s: Querying
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Daniel Pasette (Inactive) Assignee: Unassigned
Resolution: Won't Fix Votes: 0
Labels: query_triage
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
is related to SERVER-1116 qo recover from stale index Closed
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 Description   

Use a sample of different ranges from within each candidate index range to smooth out the possibility of choosing bad indexes based on data distribution anomalies.



 Comments   
Comment by Daniel Pasette (Inactive) [ 14/May/15 ]

Likely moving towards using statistics, so not going to go this route.

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