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Type:
Bug
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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: Checkpoints
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Storage Engines, Storage Engines - Persistence
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None
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None
If a Python test immediately closes the connection and then reopens it, it gets an error:
[pid:6802]: Traceback (most recent call last):
File "/home/dda/wt/git/wt-15262-python-tests-stability-triage/test/suite/wttest.py", line 243, in _callTestMethod
method()
File "/home/dda/wt/git/wt-15262-python-tests-stability-triage/test/suite/test_stat06.py", line 51, in test_stats_off
self.conn = self.wiredtiger_open(None, "statistics=(none),statistics_log=(json)")
File "/home/dda/wt/git/wt-15262-python-tests-stability-triage/test/suite/wttest.py", line 356, in wiredtiger_open
conn = wiredtiger.wiredtiger_open(home, config)
File "/home/dda/wt/git/wt-15262-python-tests-stability-triage/test/suite/wthooks.py", line 202, in <lambda>
f = lambda *args: hooked_function(wiredtiger, orig_func, hook_info_name, *args)
File "/home/dda/wt/git/wt-15262-python-tests-stability-triage/test/suite/wthooks.py", line 125, in hooked_function
ret = call_func(*args)
File "/home/dda/wt/git/wt-15262-python-tests-stability-triage/test/suite/hook_disagg.py", line 393, in <lambda>
wiredtiger_open_replace(orig_wiredtiger_open, homedir, config))
File "/home/dda/wt/git/wt-15262-python-tests-stability-triage/test/suite/hook_disagg.py", line 158, in wiredtiger_open_replace
result = orig_wiredtiger_open(homedir, config)
_wiredtiger.WiredTigerError: WT_NOTFOUND: item not found
Presumably this is because the checkpoint has no content, so WT will not create it. This is normally a good policy, but if the create flag was on in the wiredtiger_open call, WT should always create the checkpoint on close, even if no content.
test_stat06.py shows this behavior: WT-15262 is inserting a workaround, so you'll need to remove the FIXME workaround to see the error. After doing that, run $ wt-testsuite --hook disagg -v 2 stat06 to see the above error.
- is related to
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WT-15262 Disagg python testing: broad triage of apparent stability issues
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- In Code Review
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