Re: [HACKERS] how to plan for vacuum? - Mailing list pgsql-performance

Alvaro Herrera wrote:
> Jim C. Nasby wrote:
>
>> I'll generally start with a cost delay of 20ms and adjust based on IO
>> utilization.
>
> I've been considering set a default autovacuum cost delay to 10ms; does
> this sound reasonable?

It really depends on the system. Most of our systems run anywhere from
10-25ms. I find that any more than that, Vacuum takes too long.

Joshua D. Drake



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