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Type: Improvement
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 9.0.0-rc0
Affects Version/s: None
Component/s: None
Labels:
None

Assigned Teams:

Query Optimization
Backwards Compatibility:
Fully Compatible
Linked BF Score:
0
CAR Domain/s:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name(s):
None
Goal Link:
None

Implement Yao's formula for number of distinct pages requested from a b-tree and invoke this estimation for both the INLJ probe into the collection.

related to

SERVER-122916 [Join Optimization] Index scan costing - don't consider each fetched document a random IO

Closed

SERVER-122265 [Join Optimization] Costing of INLJ ignores cost of sorted-sparse I/O to fetch records from collection

In Progress

Assignee:: Ben Shteinfeld
Reporter:: Ben Shteinfeld
Participants:: Ben Shteinfeld, Githook User
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: Mar 09 2026 09:25:12 PM UTC
Updated:: Mar 27 2026 05:49:05 PM UTC
Resolved:: Mar 20 2026 08:07:57 PM UTC