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Type: Bug
Resolution: Fixed
Priority: Major - P3
Fix Version/s: WT12.0.0, 8.3.0-rc0
Affects Version/s: None
Component/s: Verify
Labels:
- Disag_Storage

Assigned Teams:

Storage Engines, Storage Engines - Persistence
Sprint:
SE Persistence - 2025-10-10
Story Points:
5

With the disagg hook, test_verify.py fails with:

[2025/09/16 16:22:46.936] ======================================================================
[2025/09/16 16:22:46.936] [pid:44434]: FAIL: test_verify.test_verify.test_verify_api
[2025/09/16 16:22:46.936] ----------------------------------------------------------------------
[2025/09/16 16:22:46.936] [pid:44434]: testtools.testresult.real._StringException: Traceback (most recent call last):
[2025/09/16 16:22:46.936]   File "/data/mci/30c9fc072e7f22bc3729d7e872d07ee9/wiredtiger/test/suite/wttest.py", line 574, in tearDown
[2025/09/16 16:22:46.936]     self.captureout.check(self)
[2025/09/16 16:22:46.936]   File "/data/mci/30c9fc072e7f22bc3729d7e872d07ee9/wiredtiger/test/suite/../py_utility/abstract_test_case.py", line 111, in check
[2025/09/16 16:22:46.936]     testcase.fail('unexpected ' + self.desc + ', contains: "' +
[2025/09/16 16:22:46.936]   File "/opt/mongodbtoolchain/revisions/8695910c32ef0ee5eecaae4c9ca515b4b6436a40/stow/python3-v5.raI/lib/python3.10/unittest/case.py", line 675, in fail
[2025/09/16 16:22:46.936]     raise self.failureException(msg)
[2025/09/16 16:22:46.936] AssertionError: unexpected standard output, contains: "[1758053592:408796][44436:0x7f22fdd92cc0], test_verify.test_verify.test_verify_api, file:test_verify.a.wt_stable, WT_SESSION.verify: [WT_VERB_VERIFY][WARNING]: Mismatch in the number of page IDs found from PALM and btree walk: PALM 239 Btree walk 237
[2025/09/16 16:22:46.936] [1758053592:408855][44436:0x7f22fdd92cc0], test_verify.test_verify.test_verify_api, file:test_verify.a.wt_stable, WT_SESSION.verify: [WT_VERB_VERIFY][WARNING]: Mismatch in page IDs from PALM and btree walk: PALM 100 Btree walk 0
...

Run via python ../test/suite/run.py -v 2 --hook disagg test_verify.py

is duplicated by

WT-15518 Mismatch in page IDs from PALM and btree walk

Closed

is related to

WT-15667 Handle abandoned checkpoints in PALite

Closed

WT-15640 __wti_page_inmem_updates assertion failure (disagg)

Closed

WT-15648 Fix memory heap-use-after-free issue when packing the internal page delta

Closed

WT-15661 Memory leak in reconciliation in disagg

Closed

WT-15728 Fix unsigned vs signed error in SQLite statement preventing picking up checkpoint using PALite

Closed

WT-15623 Add realtime output to run.py

Closed

WT-15647 Fix dhandles reference counting when we find an existing one

Closed

WT-15658 Disable block cache in WT

Closed

WT-15687 Add stat to track in-memory restorations due to invisible updates

Closed

WT-15737 Add debugging information for page delta on disk

Closed

WT-15644 Add verbose logging for disagg checkpoints

Closed

WT-15670 Fix verify output in test/format

Closed

WT-15683 Fix comment describing __wt_btree_bytes_updates

Closed

WT-15519 Abort when seeing OOO keys in __verify_row_key_order_check

Closed

WT-15602 test/format (disagg.mode=switch) heap-use-after-free when comparing keys in disagg

Closed

WT-15603 test_wt4105_large_doc_small_upd: assertion failure

Closed

related to

WT-15628 Add test/format tasks with PALite to Evergreen

Closed

WT-15192 Incorrect comparison between local table and metadata checkpoint orders during pruning

Closed

WT-15710 Avoid setting obsolete check timestamp when obsolete updates are present

Closed

WT-15728 Fix unsigned vs signed error in SQLite statement preventing picking up checkpoint using PALite

Closed

WT-14880 Add test to ensure page split does not generate delta

Closed

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

Closed

WT-15413 Verify accounts for followers missing stable constituent prior to checkpoint pickup

Closed

WT-15551 Add missing leader mode bucket00

Closed

WT-15690 Consolidate eviction sub configs under one umbrella

Closed

WT-15694 Introduce MSAN and UBSAN to disagg test/format builds

Closed

WT-15715 Remove outdated FIXME for WT-15488

Closed

WT-15737 Add debugging information for page delta on disk

Closed

WT-15631 Add metrics for tracking RTS processed tree

Closed

WT-15605 (disagg.mode=leader) test_checkpoint mirror mismatch failure (delta related)

Closed

WT-15074 ThreadSanitizer: data race in ex_backup

Closed

WT-15279 Fix race in prefetch where the same page is selected by two threads

Closed

WT-15621 Fix AddressSanitizer: heap-buffer-overflow when packing the internal page delta

Closed

WT-15682 Increase the read timestamp lag to avoid conflict with prepare timestamp

Closed

WT-15705 failed: s-outdated-fixmes on infrequent-checks [wiredtiger @ 99d20fad]

Closed

WT-15713 failed: s-outdated-fixmes on infrequent-checks [wiredtiger @ 9a827073]

Closed

(12 is related to, 20 related to)

Assignee:: Jasmine Bi
Reporter:: Donald Anderson
Votes:: 0 Vote for this issue
Watchers:: 5 Start watching this issue

Created:: Sep 16 2025 08:46:25 PM UTC
Updated:: Oct 13 2025 06:04:58 AM UTC
Resolved:: Oct 03 2025 12:11:39 AM UTC

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