On Thu, Nov 16, 2023 at 3:49 PM Andres Freund <and...@anarazel.de> wrote: > I think the main reason it's not all that bad, even when hitting this path, is > that one stall every 8GB just isn't that much and that the stalls aren't that > long - the leaf page fsm updates don't use the strategy, so they're still > somewhat likely to be in s_b, and there's "just" ~2MB of FMS to read. I tried > to reproduce it here, and it was a few ms, even though I dropped filesystem > caches in a loop.
So just fix it in master then. If it turns out later there are worse scenarios, you can back-patch then. -- Robert Haas EDB: http://www.enterprisedb.com
