On 3/17/25 12:36, Tomas Vondra wrote: > ... > > I'm still fiddling with the script, trying to increase the probability > of the (apparent) race condition. On one machine (old Xeon) I can hit it > very easily/reliably, while on a different machine (new Ryzen) it's very > rare. I don't know if that's due to difference in speed of the CPU, or > fewer cores, ... I guess it changes the timing just enough. > > I've also tried running the stress test on PG17, and I'm yet to see a > single failure there. Not even on the xeon machine, that hits it > reliably on 18. So this seems to be a PG18-only issue. >
And of course, the moment I sent this, I got a failure on 17 too. But it's seems much harder to hit (compared to 18). regards -- Tomas Vondra
