Re: A failure in prepared_xacts test

On Mon, Apr 29, 2024 at 1:11 PM Tom Lane <tgl@sss.pgh.pa.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