Re: Autovacuum behavior

And there are no reloptions set for any tables in pg_class.

On Thu, Jul 30, 2015 at 2:11 PM, John Scalia <jayknowsunix(at)gmail(dot)com> wrote:

> 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(at)2ndquadrant(dot)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
>>
>
>