On Sun, Jan 30, 2022 at 5:43 AM Noah Misch <noah@leadboat.com> wrote:
On Sat, Jan 29, 2022 at 05:23:49PM +0200, Maxim Boguk wrote: > On Sat, Jan 29, 2022 at 7:43 AM Michael Paquier <michael@paquier.xyz> wrote: > > On Fri, Jan 28, 2022 at 07:00:31PM -0800, Peter Geoghegan wrote: > > > If I had to guess, then I'd guess that this has something to do with > > > orphaned HOT chains, like those we saw in the bug report that led to > > > bugfix commit 18b87b20 (which is in 14.2 but not 14.1). I could easily > > > be wrong about that, so take it with a grain of salt. I find it a > > > little suspicious that we're hearing about a REINDEX CONCURRENTLY > > > problem in Postgres 14, which is much less mature than Postgres 12 > > > (where REINDEX CONCURRENTLY first appeared). > > > > Possible, but hard to say without an actual proof. Maxim, if the > > problem is reproducible easily on your end, could you give a try to v12 > > and v13 and see if it happens as well there? > > I don't remember such problems during the last year on v13 with the same > workload and the same periodic reindex.
Got it. A low-effort strategy would be to wait for v14.2 to release on 2022-02-10. If the problem started with a v13.X -> v14.1 upgrade and ceases in v14.2, then commit 18b87b20 likely was the fix.
Ok, I'll wait for the 14.2 release and provide an update about this issue.