Re: Autovacuum on defined interval

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От Alvaro Herrera
Тема Re: Autovacuum on defined interval
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Msg-id 1279658949-sup-5628@alvh.no-ip.org
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Ответ на Autovacuum on defined interval  (Fábio Gibon - Comex System<gibon@comexsystem.com.br>)
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Excerpts from Fábio Gibon - Comex System's message of mar jul 20 16:13:39 -0400 2010:
> Perfect!!!
>
> I'm starting with PostgreSQL (my knowledge is Oracle). Can you explain more
> about autovacuum? for example...
> 1 - on windows SO, autovacuum start works (postgres.exe as
> autovacuum_max_workers) ?

I think questions (1) and (2) are best answered in the docs:
http://www.postgresql.org/docs/current/static/routine-vacuuming.html#AUTOVACUUM
Please have a read and let us know if you have further questions.

> 3 - on autovacuum is executed vacuum with FULL option or not?

No, by design autovacuum never invokes any blocking activity.

> 4 - if autovacuum is running and i do a reload config setting autovacuum off
> this process will be down?

The launcher will be shut down, but any worker currently processing
tables will continue until finished with its tables.

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