On 29 May 2018 at 03:41, Pavel Stehule <pavel.steh...@gmail.com> wrote:
> Hi > > I am writing a article about PostgreSQL 11 features. Now I am looking on > new option --create-slot option of pg_basebackup command. > > I don't understand to use case for this option, because It fails when > requested slot already exists. I cannot to imagine use case for this. If I > write some scripts, then I prefer the behave like "create if doesn't exist > or do nothing". > > Any repeated running of script with this option should to fail. Is it > required? Why? > > The slot is intended to then be used by a replica that was created by pg_basebackup. I think it writes the slot name into recovery.conf; if it doesn't, it should. So you use a unique slot name for each replica. -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
