On Fri, Jul 10, 2020 at 10:37 PM Alvaro Herrera <alvhe...@2ndquadrant.com> wrote: > > On 2020-Jul-10, Daniel Wood wrote: > > > After nearly 5 years does something like the following yet exist? > > https://www.postgresql.org/message-id/559d4729.9080...@postgrespro.ru > > Yes, we have pg_stat_activity.wait_events which implement pretty much > what Ildus describes there. > > > 1) An option to "explain" to produce a wait events profile. > > postgres=# explain (analyze, waitprofile) update pgbench_accounts set > > bid=bid+1 where aid < 2000000; > > ... > > Execution time: 23111.231 ms > > There's an out-of-core extension, search for pg_wait_sampling. I > haven't tested it yet ...
I use it, and I know multiple people that are also using it (or about to, it's currently being packaged) in production. It's working quite well and is compatible with pg_stat_statements' queryid. You can see some examples of dashboards that can be built on top of this extension at https://powa.readthedocs.io/en/latest/components/stats_extensions/pg_wait_sampling.html.
