On Mon, Jan 08, 2024 at 08:00:00PM +0300, Alexander Lakhin wrote: > Yes, I've added (VERBOSE) and also cut down the test to catch the failure > faster. > The difference between a successful and a failed run: > tuples: 1 removed, 15 remain, 0 are dead but not yet removable > [...] > tuples: 0 removed, 16 remain, 1 are dead but not yet removable
Yep, it's clear that the horizon is not stable. > With FREEZE, 10 iterations with 20 tests in parallel succeeded for me > (while without it, I get failures on iterations 1,2). > > [1] > https://www.postgresql.org/message-id/b2a1f7d0-7629-72c0-2da7-e9c4e336b010%40gmail.com Alexander, does the test gain in stability once you begin using the patch posted on [2], mentioned by Bertrand? (Also, perhaps we'd better move the discussion to the other thread where the patch has been sent.) [2]: https://www.postgresql.org/message-id/d40d015f-03a4-1cf2-6c1f-2b9aca860...@gmail.com -- Michael
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