| From: | Keith Fiske <keith(dot)fiske(at)crunchydata(dot)com> |
|---|---|
| To: | Scott Ribe <scott_ribe(at)elevated-dev(dot)com> |
| Cc: | Sidney Aloisio Ferreira Pryor <sidney(at)tjrj(dot)jus(dot)br>, Guillaume Lelarge <guillaume(at)lelarge(dot)info>, Ron <ronljohnsonjr(at)gmail(dot)com>, "pgsql-admin(at)lists(dot)postgresql(dot)org" <pgsql-admin(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: How can i be certain autovacuum is causing reuse if table still grows |
| Date: | 2020-08-04 22:25:38 |
| Message-ID: | CAODZiv6PAs=AuqgJH4O-r3A7TmfkHjc168omVeWKiAoiuDf6fg@mail.gmail.com |
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| Lists: | pgsql-admin |
On Tue, Aug 4, 2020 at 3:54 PM Scott Ribe <scott_ribe(at)elevated-dev(dot)com>
wrote:
> > On Aug 4, 2020, at 12:31 PM, Sidney Aloisio Ferreira Pryor <
> sidney(at)tjrj(dot)jus(dot)br> wrote:
> >
> > Beside this, i saw on pg_stat_tables and the vacuum and autovacuum count
> for this table is 0.
>
> Those values are not persistent; they are only since the last start of PG.
>
>
This is not correct. Statistics are persistent through restarts. They are
only reset during specific cases such as a crash or a major version
upgrade. They can also be reset at any time manually.
--
Keith Fiske
Senior Database Engineer
Crunchy Data - http://crunchydata.com
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