On 2020-Aug-07, Alvaro Herrera wrote: > I'm thinking in keeping the sentences that were added in that commit, > maybe like so: > > > * We only send regular messages to the client for full decoded > > * transactions, but a synchronous replication and walsender > > shutdown > > * possibly are waiting for a later location. So, before > > sleeping, we > > + * send a ping containing the flush location. A reply from > > standby is > > + * not needed and would be wasteful most of the time, > > + * but if the receiver is otherwise idle and walreceiver status > > messages > > + * are enabled, this keepalive will trigger a reply. > > Processing the > > + * reply will update these MyWalSnd locations.
After rereading this a few more times, I think it's OK as Noah had it, so I'll just use his wording. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
