On Wed, Oct 19, 2016 at 12:59 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> Uh, vacuum_defer_cleanup_age sets an upper limit on how long, in terms
> of xids, that a standby query can run before cancel, like
> old_snapshot_threshold, no?
No, not really. It affects the behavior of the master, not the standby.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company