Re: Is there a way to know write statistics on an individual index

On Thu, Dec 8, 2022 at 2:53 AM David Rowley <dgrowleyml@gmail.com> wrote:
>
> On Thu, 8 Dec 2022 at 19:59, higherone <higherone@gmail.com> wrote:
> > I know there's a pg_stats_user_indexes that gives statistics about the index scans/fetches, but I don't find any
informationabout how many writes(insert/update/delete) happen on this individual index.
 
> > Is there some tool that could achieve this?
>
> Is this a partial index? If not, those should just increase at the
> same rate that's mentioned in pg_stat_user_tables for the table that
> the index belongs to.

Well, not deletes, right? And HOT updates won't affect indexes either,
so they should be subtracted from n_tup_upd.