Hi, On 2018-02-28 21:12:58 +0000, Alexandre Garcia wrote: > Thanks for your answers, took me a little while to restore a backup from > before the upgrade on an empty 9.2 server but here we are => > https://gist.github.com/kuuji/cc73c3c193a0d58aa0e651fbd7bfec58 Thanks. > > > > Prod starting throwing the following errors during autovacuum -> > > 'cannot > > > > freeze committed xmax <xid>' on 2 different tables. Running vacuum > > manually > > > > revealed more tables affected by the same error. What's an example <xid> in that message that triggers for problematic_table? I need that to properly interpret the data you provided. Thanks, Andres