On 2019-Sep-20, Tom Lane wrote:
> Actually, what I did was as attached [1], and I am getting traces like
> [2]. The problem seems to occur only when there are two or three
> processes concurrently creating the same snapshot file. It's not
> obvious from the debug trace, but the snapshot file *does* exist
> after the music stops.
Uh .. I didn't think it was possible that we would build the same
snapshot file more than once. Isn't that a waste of time anyway? Maybe
we can fix the symptom by just not doing that in the first place?
I don't have a strategy to do that, but seems worth considering before
retiring the bf animals.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
