| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | Rajesh Kumar <rajeshkumar(dot)dba09(at)gmail(dot)com>, Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Table health |
| Date: | 2023-10-18 06:52:41 |
| Message-ID: | 2f4c4edac9196af943d8097150f65fa96f7ea97e.camel@cybertec.at |
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| Lists: | pgsql-admin |
On Tue, 2023-10-17 at 23:23 +0530, Rajesh Kumar wrote:
> I have been asked to check table health of specific big table.
>
> What are list of things I have to check?
Look at pg_stat_all_tables to see if the number of dead tuples
is excessive and if autovacuum and autoanalyze are running as
they should.
Look at pg_class to see if "relfrozenxid" and "relminmxid" are
far from the danger zone.
Run the function pgstattuple_approx() to see if the table is bloated.
Yours,
Laurenz Albe
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