Re: pg_autovacuum is nice ... but ... - Mailing list pgsql-www

From Joshua D. Drake
Subject Re: pg_autovacuum is nice ... but ...
Date
Msg-id 41895D72.2060305@commandprompt.com
Whole thread Raw
In response to Re: pg_autovacuum is nice ... but ...  (Justin Clift <justin@postgresql.org>)
Responses Re: pg_autovacuum is nice ... but ...  ("Marc G. Fournier" <scrappy@postgresql.org>)
List pgsql-www
Justin Clift wrote:
> Marc G. Fournier wrote:
> <snip>
>
>> Do a vacuum full analyze on the two databases being called, and load
>> time went from 2.4sec to .46sec:
>
>
> Hmmmm, is there any chance your Free Space Map settings aren't high enough?
>

I could be wrong but my understanding is that pg_autovacuum won't vacuum
system tables so eventually you still need to perform a full vacuum (not
neccessarily a vacuum full).

Could this be the issue?



> Regards and best wishes,
>
> Justin Clift
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
>      joining column's datatypes do not match


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