On Wed, Oct 19, 2016 at 9:09 PM, Bruce Momjian <[email protected]> wrote: > On Wed, Oct 19, 2016 at 08:17:46PM -0400, Robert Haas wrote: >> On Wed, Oct 19, 2016 at 12:59 PM, Bruce Momjian <[email protected]> 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. > > But it controls when/if cancels happen on the standby.
True. I see your point. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
