[SERVER-69458] Cost Model Fudge Factors Created: 05/Sep/22  Updated: 05/Dec/22  Resolved: 24/Nov/22

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

Type: Task Priority: Major - P3
Reporter: Alexander Ignatyev Assignee: Backlog - Query Optimization
Resolution: Won't Fix Votes: 0
Labels: M7
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Query Optimization
Participants:

 Comments   
Comment by Alexander Ignatyev [ 24/Nov/22 ]

Fudge Factors are used to change optimizer behaviour in some special cases when a cost model is not capable of producing desired results.
We are not yet ready to identify such cases, it will be clearer in the future after the new optimizer will be in use for some time.

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