That’s just that some other process has some DML going on in the table that is supposed to be truncated. No lock, no truncate.
HTH,
Bambi.
From: pgsql-admin-owner@postgresql.org [mailto:pgsql-admin-owner@postgresql.org] On Behalf Of Nik Tek
Sent: Wednesday, April 10, 2013 4:58 PM
To: pgsql-performance@postgresql.org; pgsql-admin@postgresql.org
Subject: [ADMIN] Postgres log(pg_logs) have lots of message
Hi,
Could some please explain what these warnings mean in postgres.
I see these messages a lot when automatic vacuum runs.
1 tm:2013-04-10 11:39:20.074 UTC db: pid:13766 LOG: automatic vacuum of table "DB1.nic.pvxt": could not (re)acquire exclusive lock for truncate scan
1 tm:2013-04-10 11:40:22.849 UTC db: pid:14286 LOG: automatic vacuum of table "DB1.nic.pvxt": could not (re)acquire exclusive lock for truncate scan
1 tm:2013-04-10 11:41:17.500 UTC db: pid:14491 LOG: automatic vacuum of table "DB1.nic.pvxt": could not (re)acquire exclusive lock for truncate scan
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