Re: A failure in prepared_xacts test

On Mon, Apr 29, 2024 at 1:11 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> 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 have the same concern. I suspect that the scan of pg_prepared_xacts
is not the only test that could cause problems when running in parallel
to other tests from the entire source tree.

Thanks
Richard