Re: can't stop autovacuum by HUP'ing the server

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Dave Cramer <pg(at)fastcrypt(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: can't stop autovacuum by HUP'ing the server
Date: 2008-08-25 02:17:16
Message-ID: 20080825021716.GG4506@alvh.no-ip.org
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Hi Dave,

Dave Cramer wrote:
> I'd like to stop autovac by changing the conf file then sending the
> server a HUP
>
> This "appears" to work, the logs show autovac terminated by
> administrative command. Then a few minutes later I see a vacuum process
> spawned.
>
> Is it possible that there are timers that aren't being properly
> terminated here ?

I wonder whether there are tables that need an emergency vacuum (i.e.
they have reached the freeze horizon). What version are you running
anyway?

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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