Hi, On 2022-02-14 15:45:40 -0500, Tom Lane wrote: > I tried to replicate the problem described in [1] about logical > replication from a v14 source DB to a v11 target. It fails as > described there; I've not yet tracked down why, but it looks like > the v11 apply worker fails and closes the connection after sending > CREATE_REPLICATION_SLOT. The v14 walsender doesn't have a problem > with that. However, if I do the same thing using HEAD as the source, > I see an assertion failure on the way out of the walsender. The > postmaster log shows
Gah, sorry, forgot about this one. I'll fix it / apply the fix. > I guess this indicates that walsenders don't initialize their pgstats > support soon enough? It's more that we don't release slots early enough, I think. Greetings, Andres Freund
