From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
---|---|
To: | Melvin Davidson <melvin6925(at)gmail(dot)com> |
Cc: | Jonathan Vanasco <postgres(at)2xlp(dot)com>, pgsql-general general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: temporarily disable autovacuum on a database or server ? |
Date: | 2017-01-12 01:09:24 |
Message-ID: | CAKFQuwaGqZ+Oxoy0KXU-0CcaedNwchoAmkZKYk5sEjHpCJyESQ@mail.gmail.com |
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Lists: | pgsql-general |
On Wed, Jan 11, 2017 at 5:50 PM, Melvin Davidson <melvin6925(at)gmail(dot)com>
wrote:
> On Wed, Jan 11, 2017 at 7:26 PM, Jonathan Vanasco <postgres(at)2xlp(dot)com>
> wrote:
>
>>
>>
> *I can't confirm this, but have you tried :*
>
> *SELECT set_config('autovacuum', 'off'', false);*
>
> *SELECT pg_reload_conf(); *
>
> *note: you must be a superuser for above*
>
I'm hoping you meant "ALTER SYSTEM" instead of "set_config()"...
The documentation on these parameters is unclear: the only way to change
the values is to edit postgresql.conf (or on the command line) but there is
nothing said regarding whether pg_reload_conf() will work for them. I'd be
surprised if it did...
If it does - and for other cases where you can, instead of set_config you
could use "ALTER SYSTEM" and at least avoid having to manually edit the
config file. When done simply:
ALTER SYSTEM RESET autovacuum; SELECT pg_reload_conf();
to get back to normal operation.
David J.
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