On Wed, Oct 19, 2016 at 11:08:28AM -0500, Kevin Grittner wrote: > On Wed, Oct 19, 2016 at 10:04 AM, Bruce Momjian <br...@momjian.us> wrote: > > > Slide 10 of this presentation has an example showing > > old_snapshot_threshold set to '1min': > > > > http://momjian.us/main/writings/pgsql/features.pdf > > If the presentation is intending to show reasonable values for > production use, that would be better as, maybe, '2h'. > > As the documentation says at: > > https://www.postgresql.org/docs/current/static/runtime-config-resource.html#GUC-OLD-SNAPSHOT-THRESHOLD
The example is just to illustrate the activities required to trigger it, e.g. pg_sleep(), VACUUM. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers