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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: WT12.0.0, 8.3.0-rc0
Affects Version/s: None
Component/s: Reconciliation
Security Level: Public (Available to anyone on the web)
Labels:
- lc_bulk_04_29_26

Assigned Teams:

Storage Engines, Storage Engines - Transactions
Total Hours with Assigned Team:
0.003
Sprint:
SE Transactions - 2025-12-19
Story Points:
5

Previously, we only skipped writing a page in disaggregation when an empty delta was built. However, it's possible to skip writing the page even when no delta is built. This change generalizes the logic to skip page writes in disaggregation. Currently, it supports skipping writes only for one-to-one page replacements. In the future, this approach can be extended to handle split pages as well.

depends on

WT-16249 Prepared rollback can cause the previous update missed in the delta

Closed

is related to

WT-16317 Fix the assert fire that no progress is made in reconciliation

Closed

related to

WT-16044 Disagg WT eviction writes duplicate phylog entries for the same page when cache is stuck

Closed

WT-18579 Disagg update-restore eviction with zero surviving entries trips the no-progress assertion in __reconcile

Closed

WT-16084 Design how re-reconciling in memory pages could use less I/O

Closed

WT-16435 Write Performance Reconciliation Efficiency: Minimize wasted reconciliations

Closed

WT-18005 Enchance checkpoint to scrub evict cleaned pages

Closed

(2 related to)

Assignee:: Chenhao Qu
Reporter:: Chenhao Qu
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: Dec 11 2025 06:10:52 AM UTC
Updated:: Sep 10 2026 05:45:17 AM UTC
Resolved:: Dec 17 2025 12:10:39 PM UTC

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