Re: [ADMIN] Can postgres run autovacuum tasks when autovacuum is disabled?

Andrey Zhidenkov <pensnarik@gmail.com>

From: Andrey Zhidenkov <pensnarik@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: David G Johnston <david.g.johnston@gmail.com>, pgsql-admin@postgresql.org, pgsql-bugs@postgresql.org
Date: 2014-07-31T05:56:13Z
Lists: pgsql-bugs
Thank you for your fix. It is really seems that this bug appears only when
some autovacuum jobs are active.

Andrey Zhidenkov.


On Wed, Jul 30, 2014 at 7:09 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> I wrote:
> > However ... it looks to me like if the autovac launcher gets launched
> > forcibly because of a possible wraparound issue, it will keep running
> > normally after that even if autovacuum is off :-(.
>
> Nope, scratch that: I missed the bit before the launcher's main loop,
> where it fires off one child and exits if it's launched when autovacuum
> is already false.
>
> Still, if it does fire one child process, it looks like that child will
> vacuum everything that seems to need vacuuming in the target database.
> We should probably adjust that so that tables not in danger of wraparound
> get skipped.
>
>                         regards, tom lane
>
>
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-- 
С уважением, Андрей Жиденков.

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