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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
Labels:
None

Epic Link:
SPM-4331
Assigned Teams:

Storage Engines, Storage Engines - Transactions
Sprint:
SE Transactions - 2025-08-01, SE Transactions - 2025-08-15, SE Transactions - 2025-08-29, SE Transactions - 2025-09-12, SE Transactions - 2025-09-26, SE Transactions - 2025-10-10, SE Transactions - 2025-10-24
Story Points:
8

Scope:

Create a new packing function for leaf page deltas to replace the __rec_pack_delta_leaf
Update the unpacking function __wt_cell_unpack_delta_leaf to match the new customized data format.
Remove the WT_DELTA_CELL_LEAF data structure.
Update the WT_CELL_UNPACK_DELTA_LEAF data structure to reflect how leaf page deltas are stored.
Run testing against the changes.

is depended on by

WT-15246 Re-enable prepared testing that depends on new delta data format

Closed

is related to

WT-15173 Coverity analysis defect 175782: Dereference null return value

Closed

WT-15477 Track eviction max stats per database run

Closed

WT-15003 Remove the WT_DELTA_CELL_INT structure and pack internal page deltas with WT_CELL

Closed

WT-15030 Improve TSAN script to work on new code

Closed

WT-15202 Disagg python testing: Update hook_disgg.fail and skip unsupported tests in disagg mode

Closed

WT-15225 Fix newly created table and drop() EBUSY issue

Closed

WT-15228 Create the prepared_id_transaction and prepared_id_transaction_uint api

Closed

WT-15234 Test deleting local files on startup in disagg

Closed

WT-15719 Use WT high-level configuration parameters for 'configure-combinations' test

Closed

WT-15753 Swap the WT_EVICT_CACHE_CLEAN and WT_BTREE_READONLY to reduce instruction count

Closed

WT-15095 Refine eviction selection of pages with few updates

Closed

WT-14744 Upgradable structure packing format

Open

related to

WT-15795 Enable the preserve prepared tests in test format for disagg runs

Open

WT-14781 Disagg python testing: change "skipped recovery RTS due to disagg" from warning to info message

Closed

WT-14994 Make non-read-only connection flags atomic

Closed

WT-15187 Don't build overflow keys or values in disagg

Closed

WT-15275 Deprecate delta_count from PALI GET arguments

Closed

WT-15389 Saved update lists with deletes are lost when building a delta

Closed

WT-12027 ex_backup_block issue with cleanup

Closed

(8 is related to, 7 related to)

Assignee:: Zunyi Liu
Reporter:: Monica Ng
Votes:: 0 Vote for this issue
Watchers:: 6 Start watching this issue

Created:: Jul 15 2025 01:03:58 AM UTC
Updated:: Oct 21 2025 08:13:19 PM UTC
Resolved:: Oct 12 2025 11:44:38 PM UTC

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