Re: pg_autovacuum is nice ... but ...

Joshua D. Drake <jd@commandprompt.com>

From: "Joshua D. Drake" <jd@commandprompt.com>
To: Justin Clift <justin@postgresql.org>
Cc: "Marc G. Fournier" <scrappy@postgresql.org>, pgsql-www@postgresql.org
Date: 2004-11-03T22:36:34Z
Lists: pgsql-hackers

Attachments

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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