Re: Autovacuum behavior
| От | John Scalia |
|---|---|
| Тема | Re: Autovacuum behavior |
| Дата | |
| Msg-id | CABzCKRBEmEjdMk4kZPjCyn40hkUbYf0Vm3d3oRSLqNfY=d=OXQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Autovacuum behavior (Alvaro Herrera <alvherre@2ndquadrant.com>) |
| Ответы |
Re: Autovacuum behavior
|
| Список | pgsql-admin |
Sure, I just replied too quickly as there was no vacuum_cost_limit, so I'm guessing the default of 200 is being used. I'll look in pg_class to see if anything is set.
On Thu, Jul 30, 2015 at 2:07 PM, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
John Scalia wrote:
> autovacuum_vacuum_cost_limit is currently set at -1. Not really sure what
> it should be, as I still need to look that up.
Yes, I saw that from your snippet, but that value means to use the value
from vacuum_cost_limit. If that one is set to a positive value, it may
lead to sleeps during vacuum.
Also, tables could have values set in pg_class.reloptions, leading to
sleeps.
--
Álvaro Herrera http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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