On Mon, Nov 19, 2018 at 3:53 AM 范孝剑(康贤) <funnyxj....@alibaba-inc.com> wrote: > Hello, > Can I skip function ResolveRecoveryConflictWithSnapshot if setting > hot_standby_feedback=on all the time? > As I know, function ResolveRecoveryConflictWithSnapshot is used for > resolving conflicts once master cleans dead tuples. But if I set > hot_standby_feedback to on, it will not appear conflicts, so I can skip to > execute function ResolveRecoveryConflictWithSnapshot, am I right?
If I remember correctly, even with hot_standby_feedback=on, you could still get conflicts if the connection between the master and the standby is temporarily broken and then reestablished. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
