Hi, On 2019-06-04 15:51:01 +0530, Amit Khandekar wrote: > After giving more thought on this, I think it might make sense to > arrange for the xl_running_xact record to be sent from master to the > standby, when a logical slot is to be created on standby. How about > standby sending a new message type to the master, requesting for > xl_running_xact record ? Then on master, ProcessStandbyMessage() will > process this new message type and call LogStandbySnapshot().
I think that should be a secondary feature. You don't necessarily know the upstream master, as the setup could be cascading one. I think for now just having to wait, perhaps with a comment to manually start a checkpoint, ought to suffice? Greetings, Andres Freund
