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help / color / mirror / Atom feedFrom: Joshua D. Drake <[email protected]>
To: Justin Clift <[email protected]>
Cc: Marc G. Fournier <[email protected]>
Cc: [email protected]
Subject: Re: pg_autovacuum is nice ... but ...
Date: Wed, 03 Nov 2004 14:36:34 -0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
<[email protected]>
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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