[SERVER-70739] Consider removing knobs introduced in PM-3119 Created: 20/Oct/22  Updated: 18/Jan/24

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

Type: Task Priority: Major - P3
Reporter: PM Bot Assignee: Backlog - Query Optimization
Resolution: Unresolved Votes: 0
Labels: remove-feature-flag
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
Assigned Teams:
Query Optimization
Participants:

 Description   

Feature flags should be proactively removed to address technical debt.

See the feature flag guarding wiki for additional guidance.



 Comments   
Comment by David Percy [ 18/Jan/24 ]

While PM-3119 did not introduce a feature flag, it did introduce several new query knobs such as:

  • sampling in chunks vs sampling every document independently
  • sampling two fields at a time to detect correlations
  • drawing one sample and reusing it for all estimates

These are all internal knobs we don't expect users to touch. We could remove some of them to simplify the code.

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