test_verify.py fails with mismatch in page IDs from PALM and btree walk

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    • Type: Bug
    • Resolution: Unresolved
    • Priority: Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Verify
    • Storage Engines, Storage Engines - Persistence
    • SE Persistence backlog
    • None

      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

            Assignee:
            Jasmine Bi
            Reporter:
            Donald Anderson
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              Created:
              Updated: