| From: | martial(dot)bizel(at)free(dot)fr |
|---|---|
| To: | Scott Marlowe <smarlowe(at)g2switchworks(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: out of memory |
| Date: | 2006-02-14 16:15:20 |
| Message-ID: | 1139933720.43f20218cfe3a@imp6-g19.free.fr |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
Yes, I've launched ANALYZE command before sending request.
I precise that's postgres version is 7.3.4
> On Tue, 2006-02-14 at 10:03, martial(dot)bizel(at)free(dot)fr wrote:
> > Thanks for your response,
>
> SNIP
>
> > if HashAgg operation ran out of memory, what can i do ?
>
> 1: Don't top post.
>
> 2: Have you run analyze? Normally when hash agg runs out of memory, the
> planner THOUGHT the hash agg would fit in memory, but it was larger than
> expected. This is commonly a problem when you haven't run analyze.
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings
>
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