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Type:
Task
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Resolution: Unresolved
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: Disagg CI-blocker, History Store, Test Python
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Storage Engines - Foundations
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The test test_hs21.py was recently enabled under the disagg hook and now fails the macOS build variant occasionally with the following trace:
[2026/03/18 09:41:30.264] ====================================================================== [2026/03/18 09:41:30.264] [pid:24883]: FAIL: test_hs21.test_hs21.test_hs(string-row) [2026/03/18 09:41:30.264] ---------------------------------------------------------------------- [2026/03/18 09:41:30.264] [pid:24883]: testtools.testresult.real._StringException: Traceback (most recent call last): [2026/03/18 09:41:30.264] File "/Users/ec2-user/data/mci/c5755be948fb392d4814a79c42c07153/wiredtiger/test/suite/wttest.py", line 161, in wrapper [2026/03/18 09:41:30.264] return func(self, *args, **kwargs)[2026/03/18 09:41:30.264] ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [2026/03/18 09:41:30.264] File "/Users/ec2-user/data/mci/c5755be948fb392d4814a79c42c07153/wiredtiger/test/suite/wttest.py", line 309, in _callTestMethod [2026/03/18 09:41:30.264] method() [2026/03/18 09:41:30.264] File "/Users/ec2-user/data/mci/c5755be948fb392d4814a79c42c07153/wiredtiger/test/suite/test_hs21.py", line 214, in test_hs [2026/03/18 09:41:30.264] self.assertEqual(initial_base_write_gen, base_write_gen) [2026/03/18 09:41:30.264] File "/Library/Frameworks/Python.Framework/Versions/3.11/lib/python3.11/unittest/case.py", line 873, in assertEqual [2026/03/18 09:41:30.264] assertion_func(first, second, msg=msg) [2026/03/18 09:41:30.264] File "/Library/Frameworks/Python.Framework/Versions/3.11/lib/python3.11/unittest/case.py", line 866, in _baseAssertEqual [2026/03/18 09:41:30.264] raise self.failureException(msg) [2026/03/18 09:41:30.264] AssertionError: 1 != 2 [2026/03/18 09:41:30.264] ----------------------------------------------------------------------
This ticket is to investigate this failure, identify whether it lies within the code or in the test, and either apply a fix or skip it under the disagg hook.
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- Closed
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