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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: Page deltas
Labels:
None

Epic Link:
SPM-4331
Assigned Teams:

Storage Engines, Storage Engines - Transactions
Sprint:
SE Transactions - 2025-10-24, SE Transactions - 2025-11-07
Story Points:
8

The goal of this ticket is to design a framework for reconstructing both internal and leaf pages by rewriting deltas directly into a full-page image. Instead of the current two-step process, the new approach will leverage a merge-sort strategy to handle both the base page and its deltas together in a single pass.

is depended on by

WT-15789 Write Catch2 Test to Validate New Page Delta Merge

Open

is related to

WT-15886 Remove obsolete global keys; auto-increment LSN

Closed

WT-15767 Fix a race condition between checkpoint and stepping up

Closed

WT-15857 Standby hanging when shutting down in disagg_repl_jscore_passthrough

Closed

WT-15892 race between __wt_page_in_func and a split __wt_page_out

Closed

WT-15905 Fix rewrite delta causing instantiate updates twice and wrong dirty leaf count

Closed

WT-15830 Add stats to track how many saved update list and total number of updates processed in __wti_rec_hs_insert_updates

Closed

WT-15880 Update TODO comment in test/format related to salvage

Closed

WT-15906 Log update flags in bt_debug

Closed

WT-15912 Fix log flooding during page sleep and when cache is full of updates or dirty pages

Closed

WT-15903 Unexpected standard output in test_ovfl01

Closed

related to

WT-14885 Rewrite pages with delta directly to a full page

Closed

WT-15047 Ingest table verification

Closed

WT-15513 Run python testing under ASAN on mainline

Closed

WT-15425 Add a description to the background compaction fields

Closed

(6 is related to, 4 related to)

Assignee:: Ravi Giri
Reporter:: Ravi Giri
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: Sep 30 2025 01:04:04 AM UTC
Updated:: Nov 03 2025 10:01:39 PM UTC
Resolved:: Oct 30 2025 05:32:39 AM UTC

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