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

Assigned Teams:

Storage Execution
Backwards Compatibility:
Fully Compatible
Sprint:
Storage Execution 2026-06-22, Storage Execution 2026-07-06
Linked BF Score:
200
CAR Domain/s:
None

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

Metadata checkpoint that persists correct collection size and count tails the oplog. Even though it should stay well ahead of oplog truncation point, we need to explicitly guard it to avoid losing size and count changes.

related to

SERVER-129930 Disagg OplogProvider crashes on reseek when oplog truncation removes its last read position

Needs Scheduling

SERVER-128806 Temporarily relax invariant that the persisted size/count timestamp has a corresponding oplog entry

Closed

SERVER-129609 Complete TODO listed in SERVER-128312

Closed

Assignee:: Damian Wasilewicz
Reporter:: Yuhong Zhang
Participants:: Damian Wasilewicz, Githook User, Mothra Jira Bot, Yuhong Zhang
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: Jun 04 2026 06:56:42 PM UTC
Updated:: Jun 25 2026 06:16:58 PM UTC
Resolved:: Jun 22 2026 05:41:43 PM UTC

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