Thanks Charles and Neslişah.
Charles Clavadetscher <clavadetsc...@swisspug.org> wrote: The name of the column in pg_stat_activity has changed. I assume it comes from there? On 2 March 2017 at 10:54, Neslisah Demirci <neslisah.demi...@markafoni.com> wrote: > Your monitoring program is trying to use pg_stat_activity's old version. > In 9.6 pg_stat_activity has new columns named wait_event , wait_event_type > . > > Which monitoring programme? > Munin is the culprit. We will update it soon. Regards Johann -- Because experiencing your loyal love is better than life itself, my lips will praise you. (Psalm 63:3)