On Mon, Apr 29, 2024 at 01:11:00AM -0400, Tom Lane wrote: > Up to now, we've only worried about whether tests running in parallel > within a single test suite can interact. It's quite scary to think > that the meson setup has expanded the possibility of interactions > to our entire source tree. Maybe that was a bad idea and we should > fix the meson infrastructure to not do that. I fear that otherwise, > we'll get bit regularly by very-low-probability bugs of this kind.
I don't disagree with your point, still I'm not sure that this can be made entirely bullet-proof. Anyway, I think that we should still improve this test and make it more robust for parallel operations: installcheck fails equally on HEAD if there is a prepared transaction on the backend where the tests run, and that seems like a bad idea to me to rely on cluster-wide scans for what should be a "local" test. -- Michael
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