On Wed, Nov 4, 2020 at 2:32 PM Tomas Vondra <tomas.von...@2ndquadrant.com> wrote: > After a while (~1h on my machine) the pg_multixact gets over 10GB, which > triggers a more aggressive cleanup (per MultiXactMemberFreezeThreshold). > My guess is that this discards some of the files, but checkpointer is > not aware of that, or something like that. Not sure.
Urgh. Thanks. Looks like perhaps the problem is that I have RegisterSyncRequest(&tag, SYNC_FORGET_REQUEST, true) in one codepath that unlinks files, but not another. Looking.
