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From: Tom Lane <[email protected]>
To: Alexander Lakhin <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: Sami Imseih <[email protected]>
Cc: Bharath Rupireddy <[email protected]>
Cc: Robert Treat <[email protected]>
Cc: [email protected]
Cc: pgsql-hackers <[email protected]>
Subject: Re: Add pg_stat_autovacuum_priority
Date: Wed, 08 Apr 2026 13:17:45 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <ac_vLKVgs4RYK1P-@nathan>
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	<[email protected]>

Alexander Lakhin <[email protected]> writes:
> Please look at a new anomaly, I and SQLsmith have discovered:
> SELECT (SELECT score FROM pg_stat_get_autovacuum_scores() LIMIT 1),
>      (SELECT score FROM pg_stat_get_autovacuum_scores() LIMIT 1);
> ERROR:  detected double pfree in PgStat Snapshot 0x5f6fa4d95d50

Good catch, but you're not the first:

https://www.postgresql.org/message-id/CAHewXNkJKdwb3D5OnksrdOqzqUnXUEMpDam1TPW0vfUkW%3D7jUw%40mail.g...

			regards, tom lane

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