On 2018-07-03 13:23:50 -0400, Alvaro Herrera wrote: > On 2018-Jul-03, Andres Freund wrote: > > > I'm not clear to why this is a problem? Seems like either behaviour can > > be argued for. I don't really have an opinion either way. I'd just > > remove the item from the open items list, I don't think we need to hold > > up the release for it? > > After reading this more carefully, isn't the problem that as soon as you > get a slot into the 0/1 restart_lsn state, WAL recycling/deletion no > longer happens? That does sound like a bad thing to me.
Fair enough, but that's what a plain slot allows you as well, pretty fundamentally, no? The precise point at which recycling will be blocked will differer, sure. Greetings, Andres Freund
