[ADMIN] Postgres log(pg_logs) have lots of message

[Nik Tek]

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

Thank you
Nik