On Tue, Jul 13, 2021 at 8:01 PM Lucas <r...@sud0.nz> wrote: > According to the documentation, max_standby_streaming_delay is a configuration > parameter <https://pgpedia.info/g/guc.html> determining how long a > standby server should wait before canceling queries that conflict with > pending WAL entries received via streaming replication. > > My question then is: Which queries, if the slave can only receive SELECTs? >
The select queries... Follow the link in the docs for max_stanbdy_steaming_delay to: https://www.postgresql.org/docs/current/hot-standby.html#HOT-STANDBY-CONFLICT for the details. David J.
