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From: Laurenz Albe <[email protected]>
To: Олег Самойлов <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: Re: autoanalyze did not run
Date: Mon, 26 Jan 2026 17:03:21 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

On Mon, 2026-01-26 at 17:35 +0300, Олег Самойлов wrote:
> > > I try to investigate why autoanalyze did not run in time of our initial 
> > > loading data. Yes, I know, running analyze manually is highly 
> > > recommended in such case. But is must run automatically too.
> > > 
> > > PostgreSQL 17.7 (Debian 17.7-3.pgdg13+1) on x86_64-pc-linux-gnu, 
> > > compiled by gcc (Debian 14.2.0-19) 14.2.0, 64-bit (from PGDG)
> > 
> > Are you sure that you committed the transaction?
> 
> I am very sure, thats why there are 13844347 rows in that table. By single copy.
> > 
> > Is "track_activities" set to "on"?
> 
> I checked, yep.

Then the only explanation is that all autovacuum workers are active, and this
table is starved.  See how many autovacuum workers are visible in pg_stat_activity
and compare that to autovacuum_max_workers.

Yours,
Laurenz Albe

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