| From: | Markus Schaber <schabi(at)logix-tt(dot)com> |
|---|---|
| To: | Francisco Reyes <lists(at)stringsutils(dot)com> |
| Cc: | Pgsql performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Vacuums on large busy databases |
| Date: | 2006-09-15 09:48:07 |
| Message-ID: | 450A76D7.4080107@logix-tt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
Hi, Francisco,
Francisco Reyes wrote:
> I am looking to either improve the time of the vacuum or decrease it's
> impact on the loads.
> Are the variables:
> #vacuum_cost_delay = 0 # 0-1000 milliseconds
> #vacuum_cost_page_hit = 1 # 0-10000 credits
> #vacuum_cost_page_miss = 10 # 0-10000 credits
> #vacuum_cost_page_dirty = 20 # 0-10000 credits
> #vacuum_cost_limit = 200 # 0-10000 credits
Just to avoid a silly mistake:
You pasted those settings with # sign, that means that PostgreSQL does
treat them as comments, and uses the defaults instead. You should make
shure that you use "real" settings in your config.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
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